Key-Activated Door Switches

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41 Products

Frame-Mounted Safety Switches

Key Shown Actuating from the Side


Style A	Style B	Style C	Style D	Style E

Style F	Style G	Style H	Style J

Also known as interlock switches, these ensure the safety of personnel by automatically shutting off power to machinery when an access door opens. Mount the switch to the door frame and mount a key to the door so that the key is inserted into the switch when the door is closed. When the door opens, the key is removed from the switch and the machine shuts down. They’re often used with machine guards for large robots.

Styles A-G—Style A-G switches have positive-force, normally closed contacts that will open a circuit when the switch is actuated even if a spring fails or the contacts stick.

Style J—Style J switches have extra safety controls to prevent you from getting trapped next to running machinery. They actuate with the turn of a portable key. Bring the key when you enter an enclosure to ensure machinery won’t start while you’re inside, even if the door closes behind you. As an added fail-safe, a rear release button lets you cut power from inside of enclosures if needed. These switches have light-up indicators that show when they're properly installed and whether they're actuated.

IP67 Enclosure Rating—IP67 rated switches protect against temporary submersion.

NEMA 4 Enclosure Rating—NEMA 4 rated switches protect against washdowns.

NEMA 6 Enclosure Rating—NEMA 6 rated switches protect against both temporary submersion and washdowns.

Key Included—All switches require an actuator key, but not all include one—check whether you need to pick out a separate actuator key. For some switch styles, you can also select the mounting orientation of the key.

									Housing			Conduit
	Style	No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Switch Designation	Switching Current @ Voltage	Max. Voltage	Ht.	Wd.	Dp.	Trade Size	Thread Size	Thread Type	Key Included	Enclosure Rating		Each
Wire Lead Connection with Positive-Force Normally Closed Contacts



		A	2	1 Off and 1 On	Maintained	2	DPST-1NO/1NC	8 amp @ 120V AC, 4 amp @ 24V DC	250V AC 24V DC	3.3"	1.2"	1.2"	—	M16	Metric	Yes	IP67	65665K25	0000000


		Screw-Terminal Wire Connection with Positive-Force Normally Closed Contacts



				B	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	5 amp @ 120V AC, 2 amp @ 24V DC	500V AC 250V DC	3"	1"	1.1"	1/2	—	NPT	Yes	IP67, NEMA 6	65665K32	000000


				C	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	10 amp @ 120V AC, 2 amp @ 24V DC	250V AC 24V DC	3.6"	2.1"	1.3"	1/2	—	NPT	Yes	IP65, NEMA 4	65665K13	000000
				C	3	1 Off and 2 On	Maintained	3	3PST-1NO/2NC	8 amp @ 120V AC, 4 amp @ 24V DC	600V AC 250V DC	3.5"	2.1"	1.2"	1/2	—	NPT	Yes	IP67	65665K15	000000
				C	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	4 amp @ 230V AC, 4 amp @ 24V DC	500V AC 24V DC	3.5"	2"	1.2"	—	M16	Metric	Yes	IP67	65665K18	000000
				D	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	6 amp @ 120V AC, 0.27 amp @ 24V DC	240V AC 250V DC	3.8"	1.2"	1.2"	1/2	—	NPT	Yes	IP67	65665K16	00000
				E	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	8 amp @ 230V AC, 5 amp @ 24V DC	400V AC 24V DC	4.2"	2"	1.6"	—	M20	Metric	No	IP67	65665K43	00000
				E	2	2 On	Maintained	4	DPST-NC	8 amp @ 230V AC, 5 amp @ 24V DC	400V AC 24V DC	4.2"	2"	1.6"	—	M20	Metric	No	IP67	65665K22	00000
				F	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	—	M20	Metric	No	IP67	65665K112	000000
				F	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	1/2	—	BSPP	No	IP67	65665K111	000000
				F	2	1 Off and 1 On	Maintained	4	DPST-1NO/1NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	1/2	—	NPT	No	IP67	65665K105	000000
				F	2	2 On	Maintained	4	DPST-NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	—	M20	Metric	No	IP67	65665K113	00000


				F	2	2 On	Maintained	4	DPST-NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	1/2	—	BSPP	No	IP67	65665K108	00000
				F	2	2 On	Maintained	4	DPST-NC	2 amp @ 400V AC	400V AC	4.4"	1.6"	1.6"	1/2	—	NPT	No	IP67	65665K109	000000


				Screw-Terminal Wire Connection with Positive-Force Normally Closed Contacts and Rotating Head



						C	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	5 amp @ 120V AC, 5 amp @ 24V DC	400V AC 400V DC	3.5"	2"	1.3"	1/2	—	NPT	Yes	IP65	65665K51	000000


						D	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	10 amp @ 120V AC, 2.5 amp @ 125V DC	240V AC 250V DC	3.8"	1.2"	1.2"	—	M20	Metric	No	IP67	65665K29	00000
						G	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	10 amp @ 230V AC, 4 amp @ 24V DC	250V AC 24V DC	4.3"	1.6"	1.4"	—	M20	Metric	No	IP67	65665K19	000000


						Screw-Terminal Wire Connection with Rotating Head



								H	4	2 Off and 2 On	Maintained	8	4PST-2NO/2NC	2.5 amp @ 120V AC, 1 amp @ 125V DC	120V AC 125V DC	7.1"	1.5"	1.5"	1/2	—	NPT	No	IP67	65665K31	000000


								Screw-Terminal Wire Connection with Rear Release Button, Portable Key, and LED Status Indicator



										J	6	2 Off and 4 On	Maintained	12	6PST-2NO/4NC	3 amp @ 240V AC, 2.5 amp @ 250V DC	240V AC 250V DC	5.2"	4.6"	2.2"	—	M20	Metric	Yes	IP67	65665K101	000000

Actuator Keys


Straight	90° Angle	Flexible

Flexible—Flexible keys pivot at least 15°, making them easier to align with switches during installation.

				O'all, mm
	For Style	Angle Range	Adjustment Direction	Lg.	Wd.	Mounting Fasteners Included		Each
Straight



		E	—	—	80	32	No	65665K27	000000


		F	—	—	53.7	52.4	No	65665K107	00000
		G	—	—	86	32	No	65665K24	00000
		H	—	—	48.5	35	No	65665K41	00000
		J	—	—	61.5	40	No	65665K102	00000


		90° Angle



				E	—	—	65.5	32	No	65665K28	00000


				J	—	—	45	40	No	65665K103	00000


				Flexible



						D	0° to 15°	Up/Down/Left/Right	48.9	55	No	65665K167	00000


						F	0° to 18°	Left/Right	80.7	40	No	65665K106	00000
						G	0° to 15°	Up/Down/Left/Right	105	40	No	65665K45	000000
						H	0° to 15°	Up/Down/Left/Right	50.4	55	No	65665K42	00000
						J	0° to 18°	Left/Right	70	40	No	65665K104	00000

Fingerprint Scanners


	Fingerprint Scanner Covers

Use fingerprints to confirm the identity of personnel before granting access to secure areas or equipment. Scanners light up green to indicate that they have accepted the fingerprint and are sending an output signal. The front faces of the scanners meet NEMA 12 and IP65. The rear faces of the scanners meet IP20.

Fingerprint Scanner Covers—Covers (sold separately) have an adhesive-back hinge, so you can stick them on to your scanner. Keep the cover flipped down to protect the scanner's sensor from dust and debris.

	Fingerprint Scanners													Fingerprint Scanner Covers
										Wire Leads
	No. of Users	No. of Fingerprints per User	Switch Action	Actuator Color	Signal Output	Current Output, mA	Input Voltage, V DC	Bulb Voltage, V DC	Dp. Behind Panel	No. of	Ga.		Each		Each
Plastic Actuator with Wire Lead Connection







				For 22 mm (7/8") Diameter Panel Cutouts

				200	2	Momentary	Black	PNP	200	20 to 30	3.3	1 9/16"	3	22	1911N13	0000000	1911N101	000000


				Plastic Actuator with 3-Pole M12 Connection







								For 22 mm (7/8") Diameter Panel Cutouts

								200	2	Momentary	Black	PNP	200	20 to 30	3.3	1 9/16"	—	—	1911N14	000000	1911N101	00000

Outlet-Box-Mount Key Switches

Reset fire panels, or open electromagnetic locks, electric strikes, and automatic door openers. These switches require a key to turn circuits on or off, limiting access and preventing accidental activation. The lock is not included; use a 1 _1/4" long mortise lock with a standard cam.

									Wire Leads
	No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Switch Designation	Switching Current @ Voltage	Max. Voltage, V AC	Dia.	No. of	Lg.	Includes		Each
2 Positions







				With Wire Lead Connection

				2	1 Off or 1 On	Momentary	3	SPDT	3 amp @ 125V AC, 1 amp @ 250V AC	250	1 3/16"	3	5"	Screwdriver, Tamper-Resistant Screws	10475A32	0000000


				2	1 Off or 1 On	Maintained	3	SPDT	3 amp @ 125V AC, 1 amp @ 250V AC	250	1 3/16"	3	5"	Screwdriver, Tamper-Resistant Screws	10475A31	000000

Access-Delay Frame-Mounted Safety Switches

Key Shown Actuating from the Side


Style A	Style B

Style C

Delay access to hazardous areas until conditions are safe; use these switches with machines that take time to stop after they are turned off. Mount the switch to the door frame and mount the key to the door so that the key is inserted into the switch when the door is closed. When the door is pulled, the key is held in place with 225 lbs. of force until the switch receives a signal from a time-delay relay, motion sensor, or position sensor (not included) that the machine’s motion has stopped. After the motion has stopped, the key can be removed from the switch, releasing the access door. They’re often used with machine guards. All have positive-force, normally-closed contacts that will open a circuit when the switch is actuated even if a spring fails or the contacts stick. They’re rated for protection from washdowns and temporary submersion.

Styles A and B—Style A and B have a key entry on the top and side of the switch.

Style C—Style C has a key entry on two opposite sides of the switch.

											Housing			Conduit
	Style	No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Switch Designation	Switching Current @ Voltage	Max. Voltage	Input Voltage	Holding Force, lbf	Ht.	Wd.	Dp.	Trade Size	Thread Type	Enclosure Rating		Each
Screw-Terminal Wire Connection with Positive-Force Normally Closed Contacts



		A	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	5 amp @ 120V AC, 2 amp @ 24V DC	500V AC 250V DC	24V AC, 24V DC	225	4.7"	2.3"	1.4"	1/2	NPT	IP67, NEMA 6	7787K61	0000000


		A	3	1 Off and 2 On	Maintained	6	3PST-1NO/2NC	5 amp @ 120V AC, 2 amp @ 24V DC	500V AC 250V DC	110V AC	225	4.7"	2.3"	1.4"	1/2	NPT	IP67, NEMA 6	7787K62	000000
		B	3	1 Off and 2 On	Maintained	14	3PST-1NO/2NC	3 amp @ 120V AC, 2.5 amp @ 24V DC	240V AC 250V DC	24V DC	225	3.7"	3.5"	1.4"	1/2	NPT	IP67	7787K64	000000


		Screw-Terminal Wire Connection with Positive-Force Normally Closed Contacts and Rotating Head



				C	4	2 Off and 2 On	Maintained	8	4PST-2NO/2NC	4 amp @ 120V AC, 4 amp @ 24V DC	240V AC 24V DC	24V AC, 24V DC	225	7.6"	1.2"	1.6"	1/2	NPT	IP67	7787K12	000000

Keys