TOP PLUNGER Snap Action & Limit Switches 153

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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	Maximum AC Contact Voltage	Maximum Pre Travel
D4N-1C31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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
D4A-4P10N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@12VDC	100 Cel	5 A	-20 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	12 V	125 V	1.6 mm
D4N-9B31	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
D4A-4L10N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@12VDC	100 Cel	5 A	-20 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	12 V	125 V	1.6 mm
D4B-1A70N	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-1570N	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-8D31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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-2E31	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	2.8 mm
D4B-1170N	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
D5A-8514	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPST	TOP PLUNGER	.1A@24VAC	1000000 Cycle(s)	30 mm	16 inch	IP67	3.92 N	45 mm		75 Cel	.1 A	-20 Cel	MOMENTARY		CONNECTOR	D5A	6		24 V	1 mm
D4N-1131	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
D4A-1109N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	120 Cel	10 A	-10 Cel	MOMENTARY	10 A	SCREW	D4A	6.7	14 V	480 V	1.6 mm
D4N-8231	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-4B31	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-5A31	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		6	250 V	240 V	2 mm
D4B-5A70N	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-6B31	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-8E31	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	2.8 mm
D4N-6E31	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	2.8 mm
D4A-2P10N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@12VDC	120 Cel	5 A	-10 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	12 V	125 V	1.6 mm
D4A-3309N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	100 Cel	10 A	-20 Cel	MOMENTARY	10 A	SCREW	D4A	6.7	14 V	480 V	1.6 mm
D4A-3309N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	120 Cel	10 A	-10 Cel	MOMENTARY	10 A	SCREW	D4A	6.7	14 V	480 V	1.6 mm
D4B-8570N	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-2D31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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-4E31	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	2.8 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
D4A-3110N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	120 Cel	10 A	-10 Cel	MOMENTARY	10 A	SCREW	D4A	6.7	14 V	480 V	1.6 mm
D4N-8C31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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
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
D4A-3310N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	120 Cel	10 A	-10 Cel	MOMENTARY	10 A	SCREW	D4A	6.7	14 V	480 V	1.6 mm
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-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
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
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-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-1D31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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-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
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
D4A-4P10N-F	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@12VDC	120 Cel	5 A	-10 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	12 V	125 V	1.6 mm
D4N-4F31	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	3PST	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
D4B-3170N	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
D4A-3111N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	SPDT	TOP PLUNGER	10A@480VAC	1000000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	10A@14VDC	100 Cel	10 A	-20 Cel	MOMENTARY	10 A	SCREW		6.7	14 V	480 V	1.6 mm
D4N-8B31	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
D4B-4170N	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-9A31	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
D4B-8A70N	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
D4A-4509N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@14VDC	100 Cel	5 A	-20 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	14 V	125 V	1.6 mm
D4A-2510N	Omron	SNAP ACTING/LIMIT SWITCH	PANEL MOUNT	DPDT	TOP PLUNGER	5A@125VAC	750000 Cycle(s)	44 mm	42 inch	IP67	17.65 N	75.5 mm	5A@14VDC	100 Cel	5 A	-20 Cel	MOMENTARY	5 A	SCREW	D4A	6.7	14 V	125 V	1.6 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.