DPST Snap Action & Limit Switches 621

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Part	Manufacturer	Switch Type	Mounting Feature	Switch Function	Type (Actuator)	AC Maximum Rating R Load (Contact)	Electrical Life	Body Length/Diameter	Body Width	Sealing	Maximum Operating Force	Body Height	DC Maximum Rating R Load (Contact)	Maximum Operating Temperature	Maximum AC Contact Current	Minimum Operating Temperature	Switch Action	Maximum DC Contact Current	Termination Type	Manufacturer Series	Actuator Travel (mm)	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	Maximum Pre Travel
D4N-2E25	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 18 DEG, T.T.= 58 DEG	240 V
D4B-4515N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	STEEL ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
C4V-821M	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST		8A@250VAC	10000 Cycle(s)	19 mm	13 inch		7 N	14.5 mm		55 Cel	8 A	-10 Cel	MOMENTARY		QUICK CONNECT					250 V
D4N-3A72	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ONE-WAY ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW		9	250 V		240 V	4 mm
D4B-6A70N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4N-4A20	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-4131	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP PLUNGER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	6.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	6	250 V		240 V	2 mm
D4N-2162	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ONE-WAY ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	9	250 V		240 V	4 mm
D4B-3117N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROD LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	2.12 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4N-5E32	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@240VAC	300000 Cycle(s)	56 mm	30 inch	IP67	6.5 N	56 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW		6	250 V		240 V	2.8 mm
D4N-1132	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	6.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	6	250 V		240 V	2 mm
D4N-422G	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	4.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-9E32	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	6.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	6	250 V		240 V	2.8 mm
D4N-3A22	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW			250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-612H	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@240VAC	300000 Cycle(s)	56 mm	30 inch	IP67	4.5 N	56 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-2BRE	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	FORK LEVER LOCK	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	6.4 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V		240 V
D4N-4126	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-2B32	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	6.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	6	250 V		240 V	2 mm
D4N-1E2H	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	4.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-8BRE	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	FORK LEVER LOCK	10A@240VAC	300000 Cycle(s)	56 mm	30 inch	IP67	6.4 N	56 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW			250 V		240 V
D4N-5E72	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ONE-WAY ROLLER LEVER	10A@240VAC	300000 Cycle(s)	56 mm	30 inch	IP67	5 N	56 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW		9	250 V		240 V	4 mm
D4N-9A62	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ONE-WAY ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N	9	250 V		240 V	4 mm
D4N-8B80	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	CAT WHISKER	10A@240VAC	300000 Cycle(s)	56 mm	30 inch	IP67	1.5 N	56 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW			250 V	P.T.= 15 DEG, T.T.= 15 DEG	240 V
D4N-2B2G	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	4.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4B-2A17N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROD LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	2.12 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2171N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4B-2517N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROD LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	2.12 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2187N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	PLASTIC ROD	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	1.47 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 15 DEG, T.T.=15 DEG	400 V
D4B-2181N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	COIL SPRING TYPE	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	1.47 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 15 DEG, T.T.=15 DEG	400 V
D4B-2111N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2A87N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	PLASTIC ROD	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	1.47 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 15 DEG, T.T.=15 DEG	400 V
D4B-2170N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4B-2515N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	STEEL ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW	D4B		14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2570N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4B-2A81N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	COIL SPRING TYPE	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	1.47 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 15 DEG, T.T.=15 DEG	400 V
D4B-2571N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4B-2A70N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm
D4B-2511N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2115N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	STEEL ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW	D4B		14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2A11N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2A16N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2A15N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	STEEL ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW	D4B		14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2117N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROD LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	2.12 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2516N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	ADJUSTABLE ROLLER LEVER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	9.41 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW			14 V	P.T.= 21 DEG, T.T.= 71 DEG	400 V
D4B-2A71N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP ROLLER PLUNGER	10A@400VAC	500000 Cycle(s)	43 mm	40 inch	IP67	18.63 N	74 mm	10A@14VDC	80 Cel	10 A	-40 Cel	MOMENTARY	10 A	SCREW		7	14 V		400 V	2 mm

Snap Action & Limit Switches

Snap action switches and limit switches are electronic switches that are commonly used in industrial control systems and other applications that require precise and reliable control of mechanical processes.

Snap action switches, also known as micro switches, are electrical switches that use a spring-loaded lever to activate the switch when a certain force or pressure is applied. They are commonly used in applications where a small and precise switch is needed, such as in appliances, vending machines, and automotive control systems.

Limit switches, on the other hand, are electrical switches that are activated when a moving object, such as a conveyor belt or door, reaches a specific position or limit. They are commonly used in industrial control systems to monitor the position of mechanical components and to prevent damage or accidents caused by overrunning or overshooting.

Both snap action switches and limit switches come in a variety of configurations, including normally open or normally closed switches, and can be wired to operate in a variety of ways, such as momentary or latching operation.