Maintained Large-Object Limit Switches

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11 Products

Manual-Reset Safety Limit Switches


Style A	Style B	Style C

Prevent equipment from automatically restarting—these switches must be manually reset each time they're actuated. Pull the knob to reset. Positive-force contacts open the circuit when actuated, even if a spring fails or the contacts stick. These switches send a signal to your circuit when an object hits the actuator—for instance, a box on a conveyor runs into the switch, stopping the conveyor. They open and close circuits as fast as snap-acting switches, but they have a bigger actuator for large objects.

Rated IP67, these switches seal out water if they’re washed down or briefly submersed.

Style B—Style B have a roller lever actuator that allows parts to glide across the actuation surface with minimal friction.

Style C—Style C have a roller lever actuator that allows parts to glide across the actuation surface with minimal friction. You can also adjust the actuator's height, making it easier to align the switch with the target during installation.

											Housing
	Style	No. of Circuits Controlled	Switch Starting Position	Switch Action	Switch Designation	Switching Current @ Voltage	Max. Voltage	Operating Temp. Range, ° F	Actuator Ht.	No. of Terminals	Lg.	Ht.	Dp.	Housing Material	Conduit Thread Size	Enclosure Rating		Each
Plunger Actuator







				Screw-Terminal Wire Connection

				A	2	1 Off and 1 On	Maintained	DPST-1NO/1NC	10 amp @ 240V AC, 2.5 amp @ 125V DC	300V AC 250V DC	-22 to 158	1"	4	1.2"	3.4"	1.2"	Plastic	M20	IP67	7336K51	000000


				Roller Lever Actuator







								Screw-Terminal Wire Connection

								B	2	1 Off and 1 On	Maintained	DPST-1NO/1NC	10 amp @ 240V AC, 2.5 amp @ 125V DC	300V AC 250V DC	-22 to 158	2.4"	4	1.2"	3.4"	1.2"	Plastic	M20	IP67	7336K53	00000


								C	2	1 Off and 1 On	Maintained	DPST-1NO/1NC	10 amp @ 240V AC, 2.5 amp @ 125V DC	300V AC 250V DC	-22 to 158	2.1" to 3.9"	4	1.2"	3.4"	1.2"	Plastic	M20	IP67	7336K54	000000

Tilt Switches


Style A	Style B	Style C

Style D	Style E

Often used as position indicators, pump level controls, and machine limit switches, these switches actuate when tilted to a certain angle. They mount horizontally and activate when tilted downward, and deactivate when tilted up. All combine electromechanical and solid state technologies for reliability and long life.

Differential Angle—Differential angle is the total angle from the point of activation to the point of deactivation.

	No. of Circuits Controlled	Switch Starting Position	Switch Designation	Switching Current @ Voltage	Max. Voltage	Differential Angle	No. of Wire Leads	Dia.	Lg.	Ht.	Dp.	Housing Material	Enclosure Rating		Each
Ring-Terminal Wire Connection



	A	1	1 Off	SPST-NO	0.1 amp @ 120V AC, 0.25 amp @ 24V DC	60V DC/120V AC	15°	2	0.53"	1.88"	—	—	Plastic	NEMA 4, IP67	3108K1	000000


	Spade-Terminal Wire Connection



			A	1	1 Off	SPST-NO	2.5 amp @ 120V AC	280V AC	15°	2	0.53"	1.88"	—	—	Plastic	NEMA 4, IP67	3108K2	00000


			Wire Lead Connection



					B	1	1 Off	SPST-NO	20 amp @ 24V DC	40V DC	10°	2	0.75"	2"	—	—	Plastic	NEMA 4, IP67	3108K4	00000


					C	1	1 Off	SPST-NO	10 amp @ 12V DC	18V DC	30°	2	—	1.22"	1.07"	0.8"	Plastic	NEMA 4, IP67	3108K3	00000
					D	1	1 Off	SPST-NO	15 amp @ 120V AC	120V AC	15°	3	—	3"	1.5"	2"	Plastic	NEMA 4, IP67	3108K5	000000
					D	1	1 Off	SPST-NO	15 amp @ 220V AC	220V AC	15°	3	—	3"	1.5"	2"	Plastic	NEMA 4, IP67	3108K6	000000
					E	1	1 On	SPST-NC	2 amp @ 120V AC	220V AC	25°	2	—	1.5"	0.8"	1.3"	Plastic	NEMA 4, IP67	3108K8	00000
					E	1	1 On	SPST-NC	2 amp @ 120V AC	220V AC	40°	2	—	1.5"	0.8"	1.3"	Plastic	NEMA 4, IP67	3108K7	00000