How many amps does a 120v contactor coil draw
Generally, it is 2A/kW for a 3-phase motor, and 4. A 1500 Watt heater will cost the same to run whether it is 120 or 240 Volt. Usually the pull in amperage is much higher than the holding amperage, I have not looked up to see what size those contactors are, but if they are the standard multipole 30 amp contactor, you should not have any problems. Literature Library | Rockwell Automation . So before connecting the wires to the coil, you first need to check the coil voltage. 29 A. 3 amps. The switched contacts are rated at 10 Amps, meaning they will switch a device that draws 10 AC Volts x AC Amps = AC Watts: DC Volts x DC Amps = DC Watts Example: A 5 Amp Relay is Rated at 250 Volts AC. Contactor Components. The higher the wattage, the lower the amps will be for the same amount of watts. Jul 22, 2022 · Example 1: How many amps does a 5 ton AC draw? Find 5 Ton in the Air Conditioner Capacity column at the left of the table. /(2) N. Wide voltage range coils. Coil Technical Data— 20/25…40 A, 1- and 2-Pole Contactors 20/25…40 A One-Pole Contactors 20/25…40 A Two-Pole Contactors Nominal AC Coil Voltage [V] 24 120 208/240 277 480 24 120 208/240 277 480 Minimum Pickup Volts 18 88 177 221 384 18 88 177 221 384 Mar 29, 2012 · Occupation. 99 Get it as soon as Sunday, Jun 30 Jul 27, 2013 · there is no way of calculating the holding current from that information. From Ill. Larger motors won’t give you this option. 15 Amp, 2-Pole, Definite Purpose Contactor, 600V Rated, Screw/Pressure Plate Terminals, 120V AC Coil. Compact Contactor Specifications: 2 Pole, 40 Amp, 120V DP Contactor Jul 31, 2023 · By working backwards, we get the equation: amps = watts ÷ volts, which can be used to convert watts to amps. Dec 29, 2004 · Example120v (E)coil Times 1 amp (I) Note: clamp amp meter around hot coil wire if Possable, For amp Totel) That will give you the (watts)Power - 'Then Dived this Power with ether the (1) AMPS/2 Square or (120v) volts/2 Square Dived with The Power 120 watt. Thus, for DC and single-phase AC circuits, the formula to convert kilowatts to amps is: [1] I (A) = P (kW) × 1,000 V (V) The current I in amps is equal to the power P in kilowatts multiplied by 1,000 (to convert to watts), divided by the voltage V in volts. 248, 2020 NEC Full Load Amps for 3 Phase Motors Jun 30, 2021 · A multimeter is used on its electrical resistance setting. Item model number : C230B. In reality, inverters have some efficiency losses, and the actual amp draw might be slightly higher. Auxiliary contacts and selector switches sold separately. coil"). The following three are crucial components of the contactor: Coil or Electromagnet: This is the most crucial component of a contactor. 5 Amps. Small amount of power is used up by the contactor coil during its operation. H. Dec 6, 2005 · 0. Include a series switch if there is no switch on the Variac. Use a meter to monitor coil voltage. Example at 10 volts the draw will be 2. ASIN : B001KGSJ74. The contactor has straight through wiring. Feb 12, 2014 · Re: Electric Solenoid Current Draw. Contactor 2 Pole 30 Amps 24 Coil Voltage Packard Online. 5 vdc and 794 ma at 13. H ow many amps in 3-phase power? At 1. To calculate the size of the circuit breaker needed, we have to multiply the amp draw by 1. Risk of damage to the device. An example of a contactor is a 24V electromagnetic 1. This two pole definite purpose contactor has a full load rating of 30 ampere and a resistive rating of 40 39121010. Clearly the coil current is 5. Contactor, Lighting, 20 Amp, 3-Pole, 3 Normally Open Contacts, 120 Volt AC Coil, Electrically Held 8903L multipole lighting contactors are for lighting control applications. See full list on literature. 83 amps for coils up to 19. Either way, somewhere in the 4-6 amp range while the car is running. The current draw characteristic (shape of the curve) for the coil allowed me to calculate the average current draw for the particular charge time this coil requires. It has been my experience 10 ohms is what I average. The start contactor draws 3. To get 120V, there'd need to be a neutral wire there. Long Description: A 9 contactors are mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC or 220 V DC. Item ID: C230B. In either case you appear to have a bad connection somewhere. For coil terminals on the load side (bottom) add a U in front of the coil code. Space saving, high performance, and low consumption, Allen-Bradley® Bulletin 100-C contactors are designed to control motors and other loads. a mechanical armature (linkage); 3. Apply this 120 V to the contactor coil. Feb 4, 2024 · A 25-amp breaker would likely trip frequently because the 80% rule allows 20 running amps. In the case of a 1500W 120V heater, the calculation looks like this: I (Amp Draw Of 1500W Heater) = 1500W / 120V = 12. Web Price. This line of definite purpose contactors has current ratings up to 120 amperes resistive and 50 HP at 600 VAC. Apr 12, 2022 · How many full load amps are you carrying and what current/amp rating do you require? How many poles are required? What is the coil voltage? Email or call our Tech Support at (847) 658-8130 and they’d be happy to help you determine which DP contactor is right for your application. A contactor is an electrically controlled switch used for switching an electrical power circuit. This three pole definite purpose contactor has a full load rating of 60 ampere and a resistive rating of 75 May 2, 2011 · Product Dimensions : 3. 8903L lighting contactors are available in either mechanically held or electrically held versions. This three pole definite purpose contactor has a full load rating of 30 ampere and a resistive rating of 40 Sep 21, 2011 · If you’re averaging between 8-11 ohms on similar contactors then 4 ohms is 50% of you lowest average I’d change it. These devices make up the majority of the loads supplied by the control circuit transformer. 02/12/2014 8:56 AM. Feb 28, 2017 at 16:39. Reply. These terminals are usually called L1, L2, and L3. To convert kW to Amps, we can use the equation for electrical power: Power (kW) = I (A) * V (V) You can use this kilowatt to amperes converter. 0 power factor), the 3-phase power calculator shows that the same 6 kW appliance draws 28. Smallish reed relays with 12V coils are in the 12mA range. For example, let’s find the current of a circuit with 1 kW of power at 120 volts. Purchase options: Sales Unit: Each; Case Quantity: 50; Mar 21, 2017 · I read that modern coils draw about 4 amps while the points are closed. Detailed Description. Specifications: Item: Definite Purpose Contactor Hz: 50/60 Coil Volts: 120VAC Square D 8910DPA32V02 - 2 Pole, 30 Amp, 120V Contactor- 8910DP definite purpose magnetic contactors are designed for heating, air conditioning and refrigeration applications. Amp rating at 690 V. Complete with 240-Volt AC 50/60 Hz coil. Amp rating at AC 12, 40°C. To have a stable operation of the contactor coil, the energizing voltage should be basically within the range of +10%/-15% of the rated voltage. 5 A Variac adjustable voltage supply connected to the contactor solenoid coil directly. It does not trip the 20amp circuit breaker. The coil energizes the contactor, moving the contacts into position. FLA - "Full Load Amps" - amount of current drawn when full-load torque and horsepower is reached for the motor. Power Supply Connection: Connect one end of the power supply wire to the circuit breaker or disconnect switch’s line side. You can apply either voltage depending on your setup. 5 amps. On 2018-02-12 - by (mod) - Amps ratings of typical heating & cooling thermostats: Nick Amps ratings of typical heating & cooling thermostats: Typical residential room thermostats run at 24VAC. The contacts on the contactor. or you are supplying 120 VAC to the coil. What Should the resistance be on a contactor coil? The meter should read from 10 to 100 ohms. France (subject to change) Product Description. We Contactors are used for all kinds of electrical and automated applications, including the control of lighting, heating and electric motors. Square D Replacement Coils. TABLE 430. 87 amps. Heat can destroy either of them, so take a good look at both. We have to account for the 80% breaker rule. It must be pointed out that the current of the AC contactor to be selected should be 1. The contactors can also be used for many other applications such as isolation, capacitor switching, lighting. Feb 13, 2024 · Here is the table showing how many amps these inverters draw for 100% and 85 % efficiency. The inductance is usually the not the dominant part of the coil impedance at 50 or 60 Hz power line frequency. 6 ounces. 99 $ 15 . Throw away the destroyed contactor, buy one rated for the voltage you use, and re-purpose the magnet wire you salvaged into inductors or motors. Alan M. This load amperage is the amount of current required to power your device at the line voltage. 2. Sep 18, 2013 · Many contactors can actually be pulled in using 12VDC because there is no inductive reactance with DC voltages. 8 amps. 2) Contacts Sep 30, 2001 · EAN: 3471522030849. O. Does anyone have any idea as to how many milliamps. 8 ohms. The listed currents are for system voltage ranges of 110 ‑ 120 and 220 ‑ 240. Jul 26, 2021 · Depending on the type of the contactor, the coil can also work with AC voltage. 1 amp is equal to 120 watts at 120V voltage. Still, 3x seems rather extreme for most AC relays since the coil current is still largely set by the coil resistance. (average current x charge time) / engine cycle time = effective current draw (assuming 100% D. It is also referred to as control voltage. Dec 28, 2010 · Dec 28, 2010. Common coil voltages are 24V AC and DC coil, and 110V and 230V AC coil options, with many different amp and wattage levels within each individual category. Jun 16, 2017 · Consider a contactor with two 100 turn windings - both energised at 120V rms operate the contacts and draw 1 amp rms each - that is 120VA x 2 . 8 A and the seal-in current for the same coil is 0. To get the heater amp draw, we only need to divide power input (wattage) by voltage. 20 hours ago · Key Takeaways. Unlike general-purpose relays, contactors are designed to be A 120 VAC coil means that you apply 120 VAC to the coil contacts (black wiring) to energize the relay and close the switched contacts (red wiring). Sep 14, 2018 · Sep 14, 2018. Grj Cooling Solutions 2ton Single Pole Contactor Wiring Diagram Facebook. 1 amp is equal to 110 watts at 110V voltage. Power Contactor Cx³ With 230 V Coll And Handle 2p 250 25 A 4 125 44 Legrand How many amps does a 120v contactor coil draw? The inrush current for a size 2 contactor with a 120 volt coil is 1. For 100250 V AC coil voltage. g. Example calculation. P = I × V or I = P / V. rockwellautomation. 5 to 2 times of the working current of the motor. For example: CA7-23-10-120 becomes CA7-23-10-U120. 1 kW washing machine (220 V). 5 ohms in a ballast coil. The coil voltage of a contactor can be AC or DC. Sample Contactors. For the operation of AC coils, the power source is almost always a commercial frequency (50 or 60Hz) with Contactor, Definite Purpose, 30 Amp, 600 Volt AC, 120 Volt AC Coil, 3-Phase, 4-Pole, Normally Open Contacts. 0 power factor, the amps in 3-phase power in this situation is 28. – Connect the opposite end of the power supply wire to the lighting contactor’s line-side terminals. 61/ each. (and no, you can't bootleg ground). ) - no power applied to coil. kVar rating at 55°C. Three-phase, 480 volt AC power comes into the three normally-open contacts at the top of the contactor via screw terminals labeled “L1,” “L2,” and “L3” (The “L2” terminal is hidden behind a square-shaped “snubber” circuit connected across the contactor’s coil terminals). This means that these 12. #4. When coil receives power (energized) the armature will pull the contacts closed, allowing power to pass to the load. The first item to consider is the load, measured in amperes. Use the Calculator to determine how many amps a 5 ton AC uses if it is not 16 SEER. The lowest battery voltages taken for 12V, 24V, and 48V battery banks are 10V, 20V, and 40V respectively. To find this coil voltage for an electrical contactor, look on the contactor label, often on top, and usually near the screws on the front of the contactor. C). We would like to show you a description here but the site won’t allow us. They expect you to use 240V. Test if the contactor is operating properly by supplying power to the 24-volt coil with a 24-volt transformer (or power a 120v coil with 120 volts) and see if the contacts close. Dec 1, 1999 · A contactor really has only two basic parts: the contacts and the coil. 8 x 2. Full Load Amperage at Line Voltage. Square D 8910DPA33V02 - 3 Pole, 30 Amp, 120V Contactor- 8910DP definite purpose magnetic contactors are designed for heating, air conditioning and refrigeration applications. Eaton’s extensive line of space saving and easy-to-install electromechanical starters is among the most efficient and effective solution for all customer application needs. 63 amps if it is 16 SEER. contacts. Wiring made to any other terminal points will burn out the coil and diode. They cannot be field or factory installed. Mar 28, 2012. Goodness knows whether this 225mA is the pull in current or the holding current. Next I calculated the duration for each engine cycle at peak engine speed. This also tells us that the coil resistance is 106 Ohms. If you have an amplfier using 1600W of power on a 120v circuit, you can use the equation Current (Amps) = Power (Watts) ÷ Voltage to calculate that the draw of the amplifier is 1600 / 120 = 13. Dec 10, 2019 · I am concerned about the voltage drop on the "M" coil of a size 5 contactor when it energizes for a 125Hp, 460VAC, 3Ph motor (156A). Catalog item 100-C60D00 from Rockwell Automation® is a 60 A 110 V 50 Hz / 120 V 60 Hz AC coil IEC contactor with line side coil termination and screw terminals. 5 amps at 12. Nov 4, 2022 · Siemens Definite Purpose Contactor 2 Pole 30a 45eg20ah Zoro. HMC-100A30-22-AL - IronHorse IEC contactor, 100A, (3) N. 5 x 24 = 120 DC Watts: If you are switching AC Devices, Make Sure the AC Watts of the Device you are Switching DOES NOT Exceed 1,250 when using a 5A Relay. You need a 240V-coil contactor for this. Description. do small coil based relays (12v coil) draw, typically? Automotive relays are typically 150-200mA ("72 ohm coil"). Or, if that's a problem for the float switch, then get 24 volt low voltage from the furnace or doorbell transformer, and use a 24V-coil contactor. The Rated Coil Voltage is the voltage needed to power the motor starter or contactor. These replacement coils are compatible with the International Electrotechnical Commission (IEC) contactors. It is suitable for low cycle duty applications and is typically used in heating, ventilation, air-conditioning and refrigeration (HVACR) applications. Best Sellers Rank: #53,611 in Industrial & Scientific ( See Top 100 in Industrial Feb 21, 2020 · A 3 pole contactor is an electromechanical device made up of four components: coils, contacts, an armature, and a spring. This device has a 110/120 VAC 50/60 Hz coil. If the meter does not, the coil is bad and must be replaced. Fundamentally this source of power is two wires. Jun 7, 2020 · There is only Hot L1 and Hot L2 present. How many amps does a 120v contactor coil draw The inrush current for a size 2 contactor with a 120 volt coil is 1. RLA - "Running Load Amps" - current drawn during normal operation of electric motor. 6 Dimension Drawing 60, 100 and 200 Amp Device CAUTION - Coil must be wired correctly. 25 factor like this: Minimum Circuit Fig. If you have several of these in a small enclosed area, the heat build up may be excessive. Either 12V across a 3-ohm primary coil or 6-9V across 1. May 7, 2020 · This item: Sunlee controls 40 Amp contactor 120v coil 2 pole Lighting Load 50 AMP Contactor equivalent to 42CF15AF $15. Date First Available : May 2, 2011. M. Manufacturer : Packard. coil of wire wound around a laminated iron core; 2. For a 24VDC solenoid coil, 1. Contactors are used for all kinds of electrical and automated applications, including the control of lighting, heating and electric motors. Here’s how many amps does it draw: On a 1-phase circuit, 6 kW draws 50 amps. Maximum current setting to be no more than the rated current of contactor. are normally open (N. If this is the case then you have one of two scenarios, 1 either you have a bad connection on the A2 line. The seal-in current for the same coil is 0. Below you will find 3 examples of a kW to Amps conversion for: 4 kW central air conditioner (220 V). Apr 19, 2021 · Charging at 120V/16A can add 6 miles of range to the Model Y per hour when charging, between 48 and 54 miles over 8 or 9 hours of charging. Using this equation, we can convert watts directly to amps, if we know the voltage. Keep the unwound wire neat and tidy. Eaton 30 Amp 2 Pole 120v Definite Purpose Contactor At Menards. Thanks I figured . Coil Terminal Position All CA7 contactors are stocked and delivered with the coil terminals located on the line side (top) of the contactor. Most of the contactors, like the one we have here, work with a 24-volt DC power. Common coil voltages are 24V AC and DC Starter, Full Voltage, NEMA Size 1, Open, 120 Volt AC Coil, Eutectic Alloy Overload Relay A compact design that is ideal when space is at a premium. Inrush Volt-Ampere and Sealed Volt-Ampere Considerations. Feb 27, 2017 · I had answered for DC. Should Equal 120 Ohms. auxiliary contacts, 120 VAC (50/60Hz) coil voltage. How many amps does a contactor coil draw The specification ratings for contactor coils provide information regarding inrush current, sealed current, and operating time. a. Note! - in the calculator above FLA is RLA + 25% . Part No: 2096231 Categories: Contactors, Full Voltage Motor Controls. Product Details Feedback. FLA is usually determined in laboratory tests. #2. Square D Part Number. If you put the two windings in series you need 240 volts and still get 1 amp in each winding (same ampere-turns) and VA is 240 x 1 = 240VA. 4. Eaton C25DND330A - 3-Pole Definite Purpose Contactor (110/120V, 30 Amp)- Product Features 30 Amp 3-Pole Definite Purpose Contactor 600V Rated Screw/Pressure Plate Terminals 120V AC Coil Series: D1 Free shipping on orders over $99 The Eaton 30-amp, 2-pole, 120V Definite Purpose Contactor is for use as an electrically-operated switching device for use with small motors. 24V 50HZ REPLACEMENT MAGNETIC. Apr 6, 2016 · Use a 7. 3104140043. Apr 12, 2022 · Ampere (A) is a unit of measure of electrical current (amperage). The center column shows the equivalent in BTU. 8 vdc. How many amps does a 120v contactor coil draw? 5 amps or 55 watts. As you can see, a 1500W heater draws 12. A 5 ton AC draws 18. My dust collector draws, according the manual, 20 amps on start up and runs at 15. If you have a ballast coil (e. Batteries : 1 Unknown batteries required. 32 inches and 2. Mar 6, 2007 · I am presently wiring the contactors so I measured the current draw for both. It is motor load rated. ) The Tesla Mobile Connector will only charge at 120V/16A when used with the NEMA 5-20 power plug adapter. The driving force that is required to close the contacts is provided by the coil or electromagnet of the contactor. Caculate the working current via the formula. 45 tall. 8910DP definite purpose magnetic contactors are designed for heating, air conditioning and refrigeration applications. I(A) = 1000 × P(kW) / (PF × V(V)) The phase current I in amps (A) is equal to 1000, multiplied by the power P in kilowatts (kW), divided by the power factor PF , multiplied by the RMS voltage V in volts (V). 3104140022. Country of Origin. The contacts act as the switch, allowing the current to flow through the system when the contactor is activated. lta connected star. For PF correction panels min 6 pH inductive or use of harmonic filters. 2 inches; 1. Contactor 2 Pole 30 Amps 120 Coil Voltage. For instance, if you see a voltage of ‘120/240’ and an amperage of ‘14/7,’ the unit will use 14 amps at 120V and 7 amps at 240V. Large commercial mini splits can draw as high as 36 amps. A control circuit transformer is a device designed to provide a reduced control voltage for energizing the coils of electromagnetic devices such as motor starters, contactors, relays, and timers. 25 A. power poles, (2) N. There has to be two wires for the output switched contact. Now we know that the 1,500W space heater draws 12. $46. The entire line of RediStart contactors is built and tested to world-leading electrical and mechanical standards. Contactor is 2. Catalog Description: A9-30-01 110V 50Hz / 110-120V 60Hz Contactor. When the 120 VAC to the coil contacts is removed, the relay de-energizes and the switched contacts open. The 00 & 0 power pole is rated 12 amps (20 amp thermal) and the 1 & 2 is rated the same as the basic devices. 25 amps (125% of the breaker amperage), likely to trip the breaker frequently. 745 kW. The coil or electromagnet and contacts are protected by an enclosure. How do you calculate contactor coil current? First, the type of the AC contactor for the motor generally adopts the ac-3 series. Examples: 1 amp is equal to 220 watts at 220V voltage. This version of Internet Explorer is either no longer supported by Microsoft , or is obsolete and some features of our store may no longer be supported. 5 vdc. It's just not there. 5A/kW for single phase equipment. It is manufactured to traditional industry standards, and is subject to stringent quality assurance Square D 8910DPA63V02 - 3 Pole, 60 Amp, 120V Contactor- 8910DP definite purpose magnetic contactors are designed for heating, air conditioning and refrigeration applications. So - Yeh, half an amp for the contactor coil would be a good guess. 3. May 3, 2011 · It does exactly what it was supposed to do. 1 notice that the inrush current for a size 00 contactor with a 208 volt coil is 0. The CPT is 480-120V, rated 300VA - not sure this is enough to close the contactor at the 120V level and thinking I may need to move it to the primary side of the CPT @ 480V, L1- L2. Set the Variac voltage to 120 V. This is the typical configuration when using the contactor with Step 4: Make Electrical Connections. The amp draw depends upon factors like voltage rating, efficiency rating, the model of the AC, and most importantly, the BTU capacity of the AC. As I hint above, relay specs are typically given in coil resistance. Also known as: 782116307647, C25DND215A, CUTC25DND215A. How Many Amps Does a Heat Pump or AC Use? As we mentioned previously, it truly depends on the heat pump size. The nonreplaceable coil is available with a variety of coil voltages. 1. These contactors are UL Listed and CSA Certified. Mar 22, 2011 · The typical 24VAC transformer for a residential HVAC system is only 16 to maybe 25 watts - which would be 2/3 to 1 amp - and that current needs to power everything on the low-voltage side of the system. 4W/24VDC = 225mA. 240 Volt heating circuits are more common because it reduces the Amp draw on your breaker/fuse panel, as the chart shows, you can place more heaters on a 20 Amp 240 Volt circuit (maximum of 3840 Watts) versus a 120 Volt circuit (maximum of 1920 Watts). The two coils in the contactor are responsible for creating the electromagnetic field, which powers the device. Owner/electrical contractor. Oct 1, 2019 · The current input to the contactor coil may be DC or AC (available in different voltage ranges between 12VAC or 12VDC to 690VAC or 440VDC). C. Size 0 AND 1 120V MAGNETIC COIL. Connect your test probes, one to each of the contactor. Amps is in the right column. 120V 50HZ REPLACEMENT MAGNETIC. 17 Amps looks correct. Take the contactor apart, unwind the current winding, making sure you have an accurate count. An average mini split can draw anywhere between 4-10 amps. Keep in mind the the actual number will be less as the starter pulls down the battery voltage. The battery contactor draws 720 ma at 12. 5 amps should represent 80% of the breaker amps. On a 3-phase circuit (with a 1. The correct rated voltage should be determined for standard operation. The maximum load the 25-amp circuit breaker can handle is 31. If you have two voltage ratings, expect two amp ratings as well. These NEMA sizes classify a magnetic motor starter by voltage and maximum horsepower. Sep 1, 2007 · NEMA magnetic motor starters are available in various voltage and horsepower ratings with designations ranging from size 00 through size 9. I am trying to come up with a design that will work on most rooftop units. [1] A contactor is typically controlled by a circuit which has a much lower power level than the switched circuit, such as a 24-volt coil electromagnet controlling a 230-volt motor switch. A maximum of two power poles can be used per contactor or starter. Coil voltages are typically available in 24V, 120V, 208V, 240V, 277V, 480V, and 600V varieties. Thus, if not self powered, then the light control has to have a source of power for the electronics to power the output relay. Current = 1,500W / 120V = 12. The RSC series includes the following features: Draw-out cassette-type coil. 1 hp = 0. The contacts transmit the current from the source to the load. For example, the contactor’s coil may work with a 24, 120, or 220-volt AC power. The typical circuit amperage is visible as the range of heat exchanger adjustment (for those thermostats that have that feature) discussed Oct 2, 2016 · Hysteresis would probably be that of the relay in the simplest circuit. 00 inches by 3. I was just curious what the Ohms range would be on various contactor types. runs on 6 or 9V) that bypasses the ballast resistor when starting the engine, you could Power Poles — Power poles are available for the Sizes 00, 0, 1 and 2 contactors and starters only. Packard. Estimating the working current directly. When 120v AC power it put through the "sides" of the contactor it closes and connects the circuit. 3104140042. To reduce the amount of power drained by the contactor coil during operation, economiser circuits are employed. Dec 18, 2010 · If the reading of 120VAC was from ground to the coil A1 , 60 VAC A2 to Ground on the coil. AC single phase kilowatts kW to amps calculation. Contactor consists of 3 parts. 4 x 2. BRAH Electric UL approved, Definite purpose contactor, type BDP, 3 phase, 4 Pole, 40 Amp, 600-Volt Rating, screw style terminal connection. Allen-Bradley® Bulletin 509 NEMA enclosed non-combination non-reversing starters offer provide motor control and overload protection. 09-22-2011, 04:54 PM #7. Dec 6, 2005. eRatings at 230/240VCA8/7 wit. com Oct 23, 2017 · There are 5 primary things to consider when determining how to size a contactor for your application: 1. ("1K ohm. 5 x 250 = 1,250 AC Watts: Example: A 5 Amp Relay is Rated at 24 Volts DC. However my local test claims 20 through out. QuantityQty. All control wiring for contactor operation must only be made to the coil isolation contact terminals #2, #3 and L2 terminal con-nection points. 07 A. When current is flowing, the rated 28W will be dissipated as heat in the coil winding. yj sc zp mu hi ba tb tx qa ll