Key Switches

Key switches are electromechanical switches that can only be operated with the use of a key, which then is turned to different positions to break or complete the circuit. The different positions align with different states, such as 'ON' or 'OFF', giving a clear indicator of the state of the circuit. Key switches are typically used for operations and process that may require a higher level of safety or security clearance as they cannot be accidentally switched on or off without using the appropriate key. RS supply a range of key-operated switches from a variety of brands, including APEM, C&K, Lorlin, and our own RS PRO, as well as others.

What are key switches used for?

Key switches are commonly found in industrial environments, such as factories and warehouses, but can be found anywhere that it is deemed an appropriate security level to use a key-operated switch. Typical applications may include:

Fire alarm systems
Data cabinets or servers
Fuses boxes
Processing or assembly lines
Large or heavy-duty machinery

321 Products showing for Key Switches

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EAO IP65 Keylock Switch, 1NC+1NO, 5 A @ 250 V ac 2-Way Flat-Key RS Stock No.: 787-4766 Mfr. Part No.: 14-235.025K2 Datasheets: PHP7,336.34 Each	EAO	Key Trapping	2	Off-On, Snap Action	1NC + 1NO	5 A @ 250 V ac	IP65	Flat	PCB Pin	Plastic	Round	High Security	35.5 → 58mm	90°	-	-	-	Gold
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0148 Mfr. Part No.: 51-255.022D Datasheets: PHP3,793.78 Each	EAO	-	2	Latching	NC/NO	5 A	IP65	Standard	Solder	-	Square	-	26.5 → 49mm	90°	-	-	-	Silver
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0160 Mfr. Part No.: 51-235.025D2 Datasheets: PHP3,607.47 Each	EAO	-	2	Latching	NC/NO	5 A	IP65	Standard	Solder	-	Round	-	26.5 → 49mm	90°	-	-	-	Silver
EAO IP67 Key Switch, 2 NO + 2NC RS Stock No.: 175-7877 Mfr. Part No.: 14-136.025K2 Datasheets: PHP6,077.24 Each	EAO	-	-	Latching	2 NO + 2NC	-	IP67	-	Solder	-	Round	-	-	90°	-	-	-	-
C & K Keylock Switch, SPST 2-Way Flat-Key RS Stock No.: 153-4162 Mfr. Part No.: PL001UEBMA1K22 Datasheets: PHP465.585 Each (In a Pack of 50)	C & K	-	2	-	SPST	-	-	Flat	Quick Connect	Nylon 66	Round	Cash Registers, Copy Machines, Office And Factory	12.7mm	90°	-	-	-	Brass
Eaton IP66 Keylock Switch 2-Way MS6-Key RS Stock No.: 274-1161 Mfr. Part No.: 187059 M30C-FWRS-MS6 Datasheets: PHP5,755.16 Each	Eaton	-	2	Latching	-	-	IP66	MS6	-	-	-	-	-	-	-	-	-	-
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0154 Mfr. Part No.: 51-135.025D2 Datasheets: PHP3,947.83 Each	EAO	-	2	Latching	NC/NO	5 A	IP65	Standard	Solder	-	Round	-	26.5 → 49mm	90°	-	-	-	Silver
Better World Schneider Electric IP66 Key Switch, 1NO+1NC 2-Way RS Stock No.: 817-3121 Mfr. Part No.: XB6CGC5B Datasheets: PHP2,408.88 Each	Schneider Electric	-	2	-	1NO+1NC	-	IP66	-	Quick Connect, Solder Tag	-	-	-	-	-	-	Yes	Green Premium	-
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0153 Mfr. Part No.: 51-141.025D2 Datasheets: PHP3,425.42 Each	EAO	-	2	Momentary	NC/NO	5 A	IP65	Standard	Solder	-	Round	-	26.5 → 49mm	42°	-	-	-	Silver
EAO IP65 Keylock Switch, (NC + NO) per element, 5 A@ 250 V ac 2-Way Flat-Key RS Stock No.: 787-4763 Mfr. Part No.: 14-135.025K2 Datasheets: PHP6,704.42 Each	EAO	Key Trapping	2	Latching	(NC + NO) per element	5 A@ 250 V ac	IP65	Flat	Solder	Plastic	Round	High Security	35.5 → 58mm	90°	-	-	-	Gold
C & K Keylock Switch, DPST, 100 mA RS Stock No.: 257-0728 Mfr. Part No.: PVA1EEH13.5NV2 Datasheets: PHP143.55 Each (In a Pack of 2)	C & K	-	-	Momentary	DPST	100 mA	-	-	-	-	-	-	-	-	-	-	-	-
C & K Keylock Switch, SPST 2-Way Flat-Key RS Stock No.: 154-3602 Mfr. Part No.: PL001UEBMA1K22 Datasheets: PHP412.28 Each	C & K	-	2	-	SPST	-	-	Flat	Quick Connect	Nylon 66	Round	Cash Registers, Copy Machines, Office And Factory	12.7mm	90°	-	-	-	Brass
APEM Keylock Switch, DP3T, 4 A 3-Way Common-Key RS Stock No.: 125-8227 Mfr. Part No.: LK6JGB126M3 Datasheets: PHP1,039.21 Each	APEM	-	3	Latching	DP3T	4 A	-	Common	Solder	Glass Filled Polyester	Round	Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation	22.29mm	45°	-	-	-	Copper Alloy
APEM Key Switch, DPST, 4 A @ 28 V dc 3-Way Flat-Key RS Stock No.: 692-5179 Mfr. Part No.: JD10F126W Datasheets: PHP1,439.36 Each	APEM	Key Trapping	3	Momentary	Double Pole Single Throw (DPST)	4 A @ 28 V dc	-	Flat	Wire Lead	Zinc Alloy	Round	-	-	45°	-	-	-	-
APEM Key Switch, DPST, 4 A @ 28 V dc 3-Way Flat-Key RS Stock No.: 692-5154 Mfr. Part No.: JD9J126W Datasheets: PHP1,442.69 Each	APEM	-	3	Latching	Double Pole Single Throw (DPST)	4 A @ 28 V dc	-	Flat	Wire Lead	Zinc Alloy	Round	-	-	45°	-	-	-	Gold Plated Copper Alloy
APEM Keylock Switch, DP3T, 4 A 3-Way Common-Key RS Stock No.: 125-8226 Mfr. Part No.: LK6HGB126M3 Datasheets: PHP1,260.22 Each	APEM	-	3	Latching	DP3T	4 A	-	Common	Solder	Glass Filled Polyester	Round	Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation	22.29mm	45°	-	-	-	Copper Alloy
Idec IP40, IP65 Key Switch, DPDT, 1 A 2-Way Common-Key RS Stock No.: 828-8126 Mfr. Part No.: AS6M-2KT2PA Datasheets: PHP1,943.62 Each	Idec	-	2	Latching	DPDT	1 A	IP40, IP65	Common	Tab	Plastic	Round	Office And Factory	23mm	90°	-	-	-	Gold Plated Silver
Lorlin Key Switch, DPDT, 4 A @ 250 V ac 1-Way Flat-Key RS Stock No.: 187-3578 Mfr. Part No.: MSL8613A Datasheets: PHP1,259.71 Each	Lorlin	-	1	-	DPCO	4 A @ 250 V ac	-	Flat	Solder	Zinc Alloy	Round	-	-	-	-	-	-	Silver Cadmium Oxide
APEM Key Switch, DPST, 4 A @ 28 V dc 2-Way Flat-Key RS Stock No.: 692-5160 Mfr. Part No.: JD10B126W Datasheets: PHP1,442.69 Each	APEM	Key Trapping	2	Momentary	Double Pole Single Throw (DPST)	4 A @ 28 V dc	-	Flat	Wire Lead	Zinc Alloy	Round	-	-	45°	-	-	-	-
NKK Switches IP40 Keylock Switch, SPDT, 400 mA 2-Way Flat-Key RS Stock No.: 196-0268 Mfr. Part No.: SK15BG13 Datasheets: PHP1,237.96 Each	NKK Switches	Key Trapping	2	On-On	SPDT	400 mA	IP40	Flat	-	-	-	-	10.5mm	-	-	-	-	Gold

Key Switches

What are key switches used for?

321 Products showing for Key Switches

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