17A Relays | McMaster-Carr

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32 Products

DIN-Rail Mount Touch-Safe Screw Terminal Relays

Quickly and safely mount these relays on 35 mm DIN rail (also known as DIN 3). IP20 rated, they have recessed terminals that prevent fingers and other objects from touching live circuits.

3 Circuits Controlled and 4 Circuits Controlled—Relays that control 3 and 4 circuits are built to IEC dimensional standards and are often called IEC contactors.

12 Terminals—Relays with 12 terminals let you attach the control circuit onto the side that works best for your setup, which reduces the amount of wire you need.

						hp @ Switching Voltage
	No. of Terminals	Input Voltage	Control Power	Switching Current @ Voltage (Load Type)	Max. Switching Voltage, V AC	Single Phase	Three Phase	Ht.	Wd.	Dp.		Each
3 Circuits Controlled with 3 Off—3PST-NO







				With 1 Auxiliary Contact—1 Off

				12	24V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K331	000000


				12	24V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K341	000000
				12	120V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K332	00000
				12	120V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K342	000000
				12	240V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K333	00000
				12	240V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K343	000000
				12	24V DC	5.4 W	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.9"	70255K43	000000
				12	24V DC	5.4 W	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.9"	70255K44	000000




						With 1 Auxiliary Contact—1 On

						12	24V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K361	00000


						12	24V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K371	000000
						12	120V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K362	00000
						12	120V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K372	000000
						12	240V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K363	00000
						12	240V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K373	000000
						12	24V DC	5.4 W	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.9"	70255K46	000000
						12	24V DC	5.4 W	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	2 hp @ 120V AC 3 hp @ 240V AC	7 1/2 hp @ 240V AC 15 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.9"	70255K47	000000


						4 Circuits Controlled with 4 Off—4PST-NO



								12	24V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K551	000000


								12	120V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K552	000000
								12	240V AC	6.5 VA	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.2"	70255K553	000000
								12	24V DC	5.4 W	17 amp @ 600V AC (Full) 32 amp @ 600V AC (Resistive)	600	1 hp @ 120V AC 3 hp @ 240V AC	5 hp @ 240V AC 10 hp @ 480V AC 15 hp @ 600V AC	3.2"	1.8"	3.9"	70255K49	000000

Accessories and Replacements for Relays

Relay Contacts


Front Mount	Side Mount

Relay contacts allow you to add a signaling device or control another relay. You can add one relay contact to all of these relays. For relays with 12 terminals, you can add two side-mount relay contacts.

No. of Circuits Controlled	For Relay Wd.	Switch Starting Position	Switch Designation	Mounting Location		Each
2	1.8", 2.4"	1 Off and 1 On	DPST-1NO/1NC	Front	70255K14	000000
2	1.8", 2.4"	1 Off and 1 On	DPST-1NO/1NC	Side	70255K26	00000

Contact Blocks

Front

Mount

Contact blocks allow you to add a signaling device or control another relay. You can add one contact block to all of these relays.

No. of Circuits Controlled	For Relay Wd.	Switch Starting Position	Switch Designation	Mounting Location		Each
2	1.8", 2.2", 2.4"	2 Off	DPST-NO	Front	8728N12	000000
2	1.8", 2.2", 2.4"	2 On	DPST-NC	Front	8728N11	00000
4	1.8", 2.2", 2.4"	1 Off and 3 On	4PST-1NO/3NC	Front	8728N15	00000
4	1.8", 2.2", 2.4"	2 Off and 2 On	4PST-2NO/2NC	Front	8728N16	00000
4	1.8", 2.2", 2.4"	3 Off and 1 On	4PST-3NO/1NC	Front	8728N17	00000
4	1.8", 2.2", 2.4"	4 Off	4PST-NO	Front	8728N14	00000
4	1.8", 2.2", 2.4"	4 On	4PST-NC	Front	8728N13	00000

Replacement Relay Coils

Image of Product. Front orientation. Relay Coils. DIN-Rail Mount Touch-Safe Screw Terminal Relays.

Use replacement coils to swap out a broken coil or change the input voltage of a relay. They are only compatible with relays that have 12 terminals. The full load current of the relay must match the full load current range of the coil.

For Switching Current (Load Type)	Input Voltage, V AC	Input Freq., Hz		Each
9 amp to 17 amp (Full)	24	60	8727N11	000000
9 amp to 17 amp (Full)	120	60	8727N12	00000
9 amp to 17 amp (Full)	240	60	8727N13	00000