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Keylock Switches

Manufacturers	Series	Packaging	Product Status	Circuit	Number of Positions	Switch Function	Contact Timing	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Key Removable Positions	Angle of Throw	Contact Material	Contact Finish	Mounting Type	Termination Style	Panel Cutout Dimensions	Features	Operating Temperature
Adafruit Industries LLC Adam Tech APEM Inc. Benedict GmbH C&K Cole Hersee Comus International E-Switch EAO Grayhill Inc. Honeywell Sensing and Productivity Solutions IDEC Kacon knitter-switch KOINO Littelfuse Inc. Littelfuse/Commercial Vehicle Products Moujen NKK Switches NXP Semiconductors Omron Automation and Safety Oslo Switch RAFI USA Schneider Electric Siemens Switch Components TE Connectivity TE Connectivity ALCOSWITCH Switches	* - 02 14 22 2484 3SU1 44L 45 51 55 - Swisstac 56 58 6000 71 71J 71L 75705 75900 83518 90005 95 95060 956 99 A A165K A22K A22LK A22NK A22RK A22TK A6 ACSNK Altivar AML27 ASN B3 CK Command CW EU2B Eurolocks H Harmony XA2 Harmony XB4 Harmony XB5 Harmony XB6E Harmony XB7 HDI1 HDI3 HW JD K K14 K16 KO L6 LB LBW LK LUMOTAST 25 LUMOTAST 75 LW M22 M6 Micromec MRK OS80 P PF PKS1 PLK PM PV4, LAMB PVK4 RAMO 22 K Reliant'22 RG 85 III SG-D1 SIRIUS ACT SK SKC31 SKC31T SKF SKT SM SW SWK SWK12 SX TW TWND TWTD W Y YF YM	- Bag Box Bulk Retail Package Tape & Reel (TR) Tray	Active Last Time Buy Obsolete	- 3P3T 3PDT 3PST-2NC/1NO 3PST-2NO/1NC 3PST-NC 3PST-NO 4P3T 4PDT 4PST-2NO/2NC 4PST-NC 4PST-NO 5PDT 6PDT 6PST-3NO/3NC 6PST-4NO/2NC 7PST-4NC/3NO 8PST-4NO/4NC DP3T DP4T DP5T DP6T DPDT DPST DPST-NC DPST-NC + SPST-NO DPST-NO DPST-NO + SPST-NC DPST-NO/NC SP10T SP11T SP12T SP3T SP4T SP5T SP6T SP7T SP8T SP9T SPDT SPST SPST-NC SPST-NO	- 1 10 11 12 2 3 4 5 6 7 8 9	- Mom-Off-Mom Mom-Off-Mom, Mom-On-Mom Mom-Off-Off, Mom-Off-On Mom-Off-Off, Mom-Off-On, Mom-On-Off Mom-Off-Off, Mom-Off-On, Mom-On-On, Mom-On-Off Mom-Off-Off, Mom-On-Off Mom-Off-Off, Mom-On-Off, Mom-Off-On Mom-Off-On Mom-Off-On, Mom-On-Off Mom-On-Mom Mom-On-Mom, Mom-Off-Mom Mom-On-Mom, Mom-Off-Mom, Off-On-Off Mom-On-Off, Mom-Off-On Mom-On-On Mom-On-On, Mom-Off-On Mom-On-On, Mom-Off-On, Mom-On-Off Mom-On-On, Mom-On-Off Mom-On-On, Mom-On-Off, Mom-On-Off Off-Mom Off-Off-On, On-Off-Off, On-On-Off Off-Off-On, On-Off-On, Off-On-Off Off-On Off-On-Mom Off-On-Mom, Off-Off-Mom Off-On-Mom, Off-On-Mom Off-On-Mom, On-Off-Mom, Off-Off-Mom Off-On-Mom, On-Off-Mom, On-On-Mom Off-On-Mom, On-On-Mom Off-On-Mom-Mom Off-On-Off, Off-Off-On Off-On-On Off-On-On, Off-Off-On Off-On-On, Off-On-Off, On-On-Off Off-On-On, On-Off-On, On-On-Off Off-On-On, On-On-Off Off-On-On-On On-Mom On-Mom, Off-Mom On-Off On-Off, Off-On On-Off-Mom On-Off-Mom, Off-Off-Mom On-Off-Mom, Off-Off-Mom, Off-On-Mom, On-On-Mom On-Off-Mom, Off-Off-Mom, On-On-Mom On-Off-Mom, Off-On-Mom On-Off-Mom, Off-On-Mom, Off-Off-Mom On-Off-Mom, On-On-Mom On-Off-Mom, On-On-Mom, Off-On-Mom, Off-Off-Mom On-Off-Off, Off-Off-On On-Off-Off, Off-Off-On, Off-On-Off On-Off-Off, Off-Off-On, Off-On-On, On-On-Off On-Off-Off, Off-Off-On, On-On-Off, Off-On-On On-Off-Off, Off-On-Off, Off-Off-On On-Off-Off, Off-On-Off, On-On-Off On-Off-Off, On-Off-On, Off-Off-On On-Off-Off, On-Off-On, On-On-Off On-Off-Off, On-On-Off On-Off-On On-Off-On, Off-Off-On On-Off-On, Off-On-Off On-Off-On, Off-On-Off, Off-Off-On On-Off-On, On-On-Off On-Off-On-Mom On-Off-On-On On-On On-On-Mom On-On-Off On-On-On On-On-On-On On-On-On-On-On On-On-On-On-On-On	- Non-Shorting (BBM) Not Specified Shorting (MBB)	- 0.4VA (AC/DC) 1.5A (AC), 1A (DC) 100mA (AC/DC) 100mA (DC) 10A (AC) 10A (AC), 8A (DC) 10A (AC/DC) 10A (DC) 125A (DC) 12A (AC), 1A (DC) 15A (DC) 175A (DC) 1A (AC) 1A (AC/DC) 2.5A (AC), 350mA (DC) 200mA (AC) 200mA (AC/DC) 20A (AC) 20A (DC) 250mA (AC/DC) 2A (AC) 2A (AC), 400mA (DC) 2A (AC), 4A (DC) 2A (AC/DC) 2A (DC) 30A (DC) 3A (AC) 3A (AC), 270mA (DC) 3A (AC), 2A (DC) 3A (AC/DC) 4A (AC) 4A (AC), 200mA (DC) 4A (AC/DC) 4A (DC) 500mA (AC/DC) 500mA (DC) 50A (DC) 5A (AC) 5A (AC), 15A (DC) 5A (AC), 1A (DC) 5A (AC), 2A (DC) 5A (AC), 3A (DC) 5A (AC), 4A (DC) 5A (AC/DC) 5A (DC) 600mA (AC), 220mA (DC) 60A 6A (AC) 6A (AC), 3A (DC) 6A (AC), 550mA (DC) 70A (DC) 8A (AC/DC)	- 110 V 115 V 120 V 125 V 20 V 230 V 240 V 250 V 28 V 35 V 400 V 42 V 50 V 500 V 600 V	- 110 V 12 V 125 V 14 V 20 V 230 V 24 V 250 V 28 V 30 V 32 V 35 V 36 V 42 V 50 V 500 V	- Flat Key Flatted (3.17mm Dia) Flatted (6.35mm Dia) Round (4mm Dia) Tubular Key Tubular Key (Not Included)	- 1 and 180° 1 and 3 1 and 4 1 and each 90° 1 only 1, 3 and 5 2 only 3 and 5 3 only 5 only All Center Center and Right Left Left and Center Left and Right Right	- 120° 180° 30° 36° 40° 40°, 90° 42° 42°, 90° 45° 45°, 22.5° 45°, 90° 60° 80° 90°	- Beryllium Copper Brass Bronze Copper Copper Alloy Copper Silver Alloy Gold Gold (Au) Silver Silver (Ag) Silver Alloy Silver-Nickel Alloy	- Gold Gold Alloy Palladium Silver Tin	- Panel Mount Panel Mount, Snap-In Through Hole Through Hole, Right Angle	- Connector PC Pin PC Pin, Solder Lug Quick Connect - 0.110" (2.8mm) Quick Connect - 0.250" (6.3mm) Screw Terminal Solder Cup Solder Lug Solder, Quick Connect - 0.079" (2mm) Solder, Quick Connect - 0.110" (2.8mm) Spring Terminal Stud Wire Leads	- Circular - 11.80mm Dia Circular - 11.81mm Dia Circular - 11.99mm Dia Circular - 12.00mm Dia Circular - 12.20mm Dia Circular - 14.50mm Dia Circular - 16.00mm Dia Circular - 16.10mm Dia Circular - 16.20mm Dia Circular - 18.00mm Dia Circular - 18.20mm Dia Circular - 18.60mm Dia Circular - 18.70mm Dia Circular - 19.00mm Dia Circular - 19.05mm Dia Circular - 19.18mm Dia Circular - 19.20mm Dia Circular - 19.30mm Dia Circular - 20.30mm Dia Circular - 21.84mm Dia Circular - 22.00mm Dia Circular - 22.22mm Dia Circular - 22.30mm Dia Circular - 22.35mm Dia Circular - 22.50mm Dia Circular - 25.00mm Dia Circular - 25.30mm Dia Circular - 30.00mm Dia Circular - 30.16mm Dia Circular - 30.50mm Dia Circular - 34.93mm Dia Circular - 7.95mm Dia Rectangular - 23.30mm x 21.30mm Rectangular - 24.20mm x 18.20mm Rectangular - 27.20mm x 21.20mm Rectangular - 29.20mm x 21.20mm Rectangular - 30.00mm x 22.00mm Square - 18.20mm² Square - 19.05mm² Square - 21.00mm² Square - 21.20mm² Square - 22.50mm²	- Antistatic Antistatic, Epoxy Sealed Terminals Antistatic, Process Sealed Dust Proof Shutter Epoxy Sealed Terminals IP40 IP54 IP65 IP65, IP66 IP65, Oil-Resistant IP66 IP66, IP67, IP69K IP67 Latch Pawl Oil-Tight Priority Lock Position Keys Process Sealed UL94 V-0, IP65	- -10°C ~ 55°C -18°C ~ 65°C -20°C ~ 50°C -20°C ~ 55°C -20°C ~ 60°C -20°C ~ 65°C -20°C ~ 70°C -20°C ~ 85°C -25°C ~ 50°C -25°C ~ 55°C -25°C ~ 60°C -25°C ~ 70°C -25°C ~ 85°C -30°C ~ 65°C -30°C ~ 85°C -35°C ~ 70°C -40°C ~ 50°C -40°C ~ 70°C -40°C ~ 85°C 0°C ~ 50°C

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Mfr. Part #	Availability	Price	Quantity	Datasheet	Series	Packaging	Product Status	Circuit	Number of Positions	Switch Function	Contact Timing	Current Rating (Amps)	Voltage Rating - AC	Voltage Rating - DC	Actuator Type	Key Removable Positions	Angle of Throw	Contact Material	Contact Finish	Mounting Type	Termination Style	Panel Cutout Dimensions	Features	Operating Temperature
956-9100 SWITCH KEYLOCK 4POS 5A 12V Cole Hersee	34	-	RFQ	Datasheet	956	Bulk	Active	-	4	On-Off-On-Mom	Not Specified	5A (DC)	-	12 V	Flat Key	2 only	-	Bronze	-	Panel Mount	Screw Terminal	-	-	-
95582 SWITCH KEYLOCK 3POS 5A 12V Cole Hersee	93	-	RFQ	Datasheet	95	Bulk	Active	-	3	Off-On-Mom	Not Specified	5A (DC)	-	12 V	Flat Key	1 only	-	Bronze	-	Panel Mount	Screw Terminal	-	-	-
M-550-BP SWITCH KEYLOCK 3POS 5A 36V Littelfuse Inc.	27	-	RFQ	Datasheet	-	Bulk	Active	-	3	-	Not Specified	5A (DC)	-	36 V	Flat Key	1 only	-	-	-	Panel Mount	Screw Terminal	-	-	-
956-5124 SWITCH KEYLOCK 4POS 10A 12V Littelfuse Inc.	72	-	RFQ	Datasheet	956	Bulk	Active	-	4	On-Off-On-Mom	Not Specified	10A (DC)	-	12 V	Flat Key	2 only	-	-	-	Panel Mount	Screw Terminal	-	-	-
51-445.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	2	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	1 only	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-145.025D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Mom, Off-Mom	Not Specified	5A (AC)	250 V	-	Flat Key	1 only	42°	-	-	Panel Mount	Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-411.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO	2	Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	All	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-195.025D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	15	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	5A (AC)	250 V	-	Flat Key	All	90°	-	-	Panel Mount	Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-141.025D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Mom, Off-Mom	Not Specified	5A (AC)	250 V	-	Flat Key	1 only	42°	-	-	Panel Mount	Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-135.022D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	5A (AC)	250 V	-	Flat Key	All	90°	-	-	Panel Mount	Solder, Quick Connect - 0.110" (2.8mm)	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-155.022D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	5A (AC)	250 V	-	Flat Key	All	90°	-	-	Panel Mount	Solder, Quick Connect - 0.110" (2.8mm)	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-335.022D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	5A (AC)	250 V	-	Flat Key	2 only	90°	-	-	Panel Mount	Solder, Quick Connect - 0.110" (2.8mm)	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-495.022D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	9	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Mom, Off-Mom	Not Specified	5A (AC)	250 V	-	Flat Key	1 only	42°	-	-	Panel Mount	Solder, Quick Connect - 0.110" (2.8mm)	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-395.022D SWITCH KEYLOCK 2POS DPST 5A 250V EAO	8	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	5A (AC)	250 V	-	Flat Key	2 only	90°	-	-	Panel Mount	Solder, Quick Connect - 0.110" (2.8mm)	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-402.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Mom, Off-Mom	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	All	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-412.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	All	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-427.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO	2	Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	1 only	42°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-428.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Mom, Off-Mom	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	1 only	42°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-442.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO/NC	2	On-Off, Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	All	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C
51-444.036D SWITCH KEYLK 2POS DPST 100MA 42V EAO	10	-	RFQ	Datasheet	51	Bulk	Active	DPST-NO	2	Off-On	Not Specified	100mA (AC/DC)	42 V	42 V	Flat Key	1 only	90°	-	-	Panel Mount	PC Pin, Solder Lug	Circular - 16.00mm Dia	IP65	-25°C ~ 55°C

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Category Overview

Keylock Switches Products & Selection Guide

Keylock Switches are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Keylock Switches. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Keylock Switches?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

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