35A Switches | McMaster-Carr

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15 Products

Infrequent-Cycle Relays

2 Circuits

3 Circuits

4 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.		Each
2 Circuits Controlled with 2 Off (Normally Open)—DPST-NO
With Quick-Disconnect and Screw Terminals
4	24V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	00000000	000000
4	120V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	00000000	00000
4	24V DC	3.1W	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.8"	2.4"	3.4"	0.25"	00000000	000000
4	208V AC, 240V AC	6.5VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	__	3.2"	2"	2.3"	0.25"	00000000	00000
3 Circuits Controlled with 3 Off (Normally Open)—3PST-NO
With Quick-Disconnect and Screw Terminals
6	24V AC	7VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	00000000	000000
6	120V AC	7VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	00000000	000000
6	24V DC	3.1W	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	00000000	000000
6	208V AC, 240V AC	7VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.4"	3.4"	0.25"	00000000	000000
4 Circuits Controlled with 4 Off (Normally Open)—4PST-NO
With Quick-Disconnect and Screw Terminals
8	24V AC	50.4VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.7"	3.4"	0.25"	00000000	000000
8	120V AC	50.4VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.7"	3.4"	0.25"	00000000	000000
8	24V DC	5.1W	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.7"	3.4"	0.25"	00000000	000000
8	208V AC, 240V AC	50.4VA	25A	35A	2 hp @ 115 V AC 3 hp @ 230 V AC	7 1/2 hp @ 230 V AC 10 hp @ 460 V AC 10 hp @ 575 V AC	3.8"	2.7"	3.4"	0.25"	00000000	000000

Enclosures for 60A 3PST-NO Relays and 4PST-NO Relays

00000000

Each

0000000

Open-Style Relays

4 Circuits

Use these relays with industrial automation systems, security and emergency lighting, and small motors. Also known as power relays.

Optional covers protect contacts from dust and dirt.

Relays											Optional Covers
Number of Terminals	Input Voltage	Control Current, mA	Switching Current @ Voltage	Max. Switching Voltage	hp @ Switching Voltage	Ht.	Wd.	Dp.		Each		Each
4 Circuits Controlled with 4 Off (Normally Open) or 4 On (Normally Closed)—4PDT
14	120V AC	116	35 A @ 120 V AC 20 A @ 24 V DC	120V AC	1 hp @ 120 V AC 1 1/2 hp @ 240 V AC	3.4"	2.7"	2.7"	0000000	0000000	0000000	000000