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System of Measurement System of Measurement |
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Switching Current Switching Current | Show |
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Switching Current Switching Current | Hide |
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Power Power |
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Wire Connection Type Wire Connection Type |
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Switching Voltage Switching Voltage |
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Application Application |
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Switch Action Switch Action |
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Operation Type Operation Type |
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Mechanical Life Cycles Mechanical Life Cycles |
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Number of Mounting Holes Number of Mounting Holes |
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Quick-Disconnect Tab Width Quick-Disconnect Tab Width |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Relay Type Relay Type |
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 | Standard |
About Relays
More
Infrequent-Cycle High-Current Relays
2 Circuits
3 Circuits
For use with equipment that cycles on and off, these relays meet UL 508 for air conditioning and heating. Connections are accessible from the front, so you can mount relays side-by-side. Also known as definite-purpose contactors.
Enclosures (sold separately) are NEMA 1 rated to protect contacts from corrosion.
Also Available: Auxiliary contacts for 3.8"-7.2" Ht. relays. They allow you to add a signaling device or control another relay. Please select 6564K99, then select the McMaster-Carr part number of your relay and whether you want to switch one circuit on (1 Normally Open) or off (1 Normally Closed).
For technical drawings and 3-D models, click on a part number.
Switching Current @ 600V AC | hp @ Switching Voltage | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Terminals | Input Voltage | Control Power | Full Load | Resistive Load | Single Phase | Three Phase | Ht. | Wd. | Dp. | Quick-Disconnect Tab Wd. | Specifications Met | Each | |
2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO | |||||||||||||
With Quick-Disconnect and Screw Terminals | |||||||||||||
| 4 | 24V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 0000000 |
| 4 | 24V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 4 | 120V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 4 | 120V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 4 | 24V DC | 5.1W | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 4 | 208/240V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 4 | 208/240V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
3 Circuits Controlled with 3 Off (Normally Open)—3PST-NO | |||||||||||||
With Quick-Disconnect and Screw Terminals | |||||||||||||
| 6 | 24V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 24V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 120V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 120V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 24V DC | 5.1W | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 208/240V AC | 19VA | 90A | 120A | 7 1/2 hp @ 115 V AC 20 hp @ 230 V AC | 30 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 5" | 3.7" | 4.4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| 6 | 208/240V AC | 50.4VA | 75A | 90A | 5 hp @ 115 V AC 15 hp @ 230 V AC | 20 hp @ 230 V AC 50 hp @ 460 V AC 50 hp @ 575 V AC | 3.8" | 2.6" | 4" | 0.25" | UL Recognized Component, CSA Certified, CE Marked, UL 508 | 00000000 | 000000 |
| Enclosures for 60A 3PST-NO Relays and 4PST-NO Relays | 00000000 | Each | 0000000 |