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
D4B-7116N	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
D4N-9220	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
D4B-5117N	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-422H	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-8171N	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-3516N	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
D4N-2ERE	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-4A25	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-1E72	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-4B32	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-6131	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	TOP 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	D4N	6	250 V		240 V	2 mm
D4N-2A32	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-9B26	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
D4B-4570N	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-4A15N	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
D4N-2E2H	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-1A72	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-212G	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-1187N	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
D4N-1231	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-6220	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	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	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-2287	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	PLASTIC ROD	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	1.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 15 DEG, T.T.= 15 DEG	240 V
D4N-6232	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	D4N	6	250 V		240 V	2 mm
D4N-4E22	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
D4N-8A22	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	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	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-922G	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-5B72	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-3222	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-312G	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			250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-9231	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-1E2G	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-9262	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-8122	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	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	D4N		250 V	P.T.= 27 DEG, O.T.= 67 DEG	240 V
D4N-5A32	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 mm
D4N-8E2H	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
D4B-7570N	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-2ALE	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
D4B-3A70N	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-2B26	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-2180	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPST	CAT WHISKER	10A@240VAC	300000 Cycle(s)	31 mm	30 inch	IP67	1.5 N	57.5 mm	2.5A@250VDC	70 Cel	10 A	-30 Cel	MOMENTARY	2.5 A	SCREW	D4N		250 V	P.T.= 15 DEG, T.T.= 15 DEG	240 V
D4B-6A11N	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
D4N-2231	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-1A2G	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-4A31	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-6272	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	D4N	9	250 V		240 V	4 mm
D4N-812H	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
D4B-3570N	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-7171N	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.