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

311 Products showing for Key Switches

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EAO IP65 Key Switch 3-Way RS Stock No.: 200-4194 Mfr. Part No.: 61-2607.0/D Datasheets: TWD1,589.00 Each	EAO	-	3	-	-	-	IP65	-	-	-	-	-	-	-	-	-	-	-
APEM Keylock Switch, SPDT, 4 A 2-Way Common-Key RS Stock No.: 125-8239 Mfr. Part No.: LK6NNB126N3 Datasheets: TWD472.00 Each	APEM	-	2	Latching	SPDT	4 A	-	Common	Solder	Glass Filled Polyester	Round	Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation	22.29mm	90°	-	-	-	Copper Alloy
Better World Schneider Electric Key Switch, DPST 3-Way RS Stock No.: 185-3558 Mfr. Part No.: XB5FG33 Datasheets: TWD4,285.00 Each	Schneider Electric	-	3	-	DPST	-	-	-	Screw	-	-	-	-	45°	-	Yes	Green Premium	Silver Alloy
Lorlin Key Switch, DPDT, 1 A @ 24 V dc 2-Way Common-Key RS Stock No.: 739-2892 Mfr. Part No.: IRL-5-K-S-2-RS Datasheets: TWD468.00 Each	Lorlin	Key Trapping	2	Momentary	Double Pole Double Throw (DPDT)	1 A @ 24 V dc	-	Common	Solder	Polyamide	Parallel	-	29.6mm	60°	-	-	-	Silver Plated Brass
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0153 Mfr. Part No.: 51-141.025D2 Datasheets: TWD2,171.00 Each	EAO	-	2	Momentary	NC/NO	5 A	IP65	Standard	Solder	-	Round	-	26.5 → 49mm	42°	-	-	-	Silver
Lorlin IP66, IP67 Key Switch, SPDT, 5 A@ 115 V ac 2-Way Random-Key RS Stock No.: 562-567 Mfr. Part No.: WRL-5-E-D-2 Datasheets: TWD731.00 Each	Lorlin	-	2	-	SPDT-NO/NC	5 A@ 115 V ac	IP66, IP67	Random	Solder	Zinc Alloy	Round	-	-	90°	-	-	-	Silver Plated Brass
C & K Key Switch, SPST, 12 A@ 125 V ac, 6 A@ 250 V ac 2-Way Flat-Key RS Stock No.: 863-6929 Mfr. Part No.: H2011U2F205NQ Datasheets: TWD762.00 Each	C & K	-	2	Latching	SPST	12 A@ 125 V ac, 6 A@ 250 V ac	-	Flat	Quick Connect	Nylon	Round	Machine Controls, Elevators	28.35mm	90°	-	-	-	Silver
APEM Keylock Switch, SPDT, 4 A 2-Way Common-Key RS Stock No.: 125-8232 Mfr. Part No.: LK5AGB126M3 Datasheets: TWD555.00 Each	APEM	-	2	Momentary	SPDT	4 A	-	Common	Solder	Glass Filled Polyester	Round	Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation	27.3mm	45°	-	-	-	Copper Alloy
EAO IP65 Keylock Switch, NC/NO, 5 A 2-Way Standard-Key RS Stock No.: 176-0154 Mfr. Part No.: 51-135.025D2 Datasheets: TWD2,649.00 Each	EAO	-	2	Latching	NC/NO	5 A	IP65	Standard	Solder	-	Round	-	26.5 → 49mm	90°	-	-	-	Silver
APEM Keylock Switch, SPDT, 4 A 2-Way Common-Key RS Stock No.: 125-8395 Mfr. Part No.: LK5ANB126N3 Datasheets: TWD589.00 Each	APEM	-	2	Momentary	SPDT	4 A	-	Common	Solder	Glass Filled Polyester	Round	Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation	27.3mm	45°	-	-	-	Copper Alloy
Better World Siemens IP66, IP67, IP69 Key Switch, SPDT 2-Way RS Stock No.: 173-6799 Mfr. Part No.: 3SU1150-4BF11-1FA0 Datasheets: TWD3,263.00 Each	Siemens	-	2	Latching	SPDT	-	IP66, IP67, IP69	-	Screw	-	-	-	-	90°	Extended product life, Low carbon manufacture	Yes	-	-
Lorlin Key Switch, SPST, 500 mA @ 24 V 2-Way Flat, Random-Key RS Stock No.: 562-577 Mfr. Part No.: SKL-12-BD2 Datasheets: TWD178.00 Each	Lorlin	-	2	Off-On	SPST	500 mA @ 24 V	-	Flat, Random	Solder	Zinc Alloy	Round	-	-	90°	-	-	-	-
Better World Siemens IP66, IP67, IP69 Key Switch, 2NC 2-Way RS Stock No.: 193-3827 Mfr. Part No.: 3SU1150-4BF01-3PA0 Datasheets: TWD3,365.00 Each	Siemens	-	2	Latching	2NC	-	IP66, IP67, IP69	-	-	-	-	-	-	90°	Extended product life, Low carbon manufacture	Yes	-	-
Eaton IP66 Keylock Switch 2-Way MS10-Key RS Stock No.: 274-1157 Mfr. Part No.: 187051 M30C-FWRS-MS10 Datasheets: TWD2,781.00 Each	Eaton	-	2	Spring Return	-	-	IP66	MS10	-	-	-	-	-	-	-	-	-	-
Kaba Key Switch, DP-CO, 20 A 2-Way Random-Key RS Stock No.: 124-5261 Mfr. Part No.: K31100092-NI Datasheets: TWD8,142.00 Each	Kaba	-	2	Momentary	DP-CO	20 A	-	Random	Screw	-	Round	-	70.1mm	90°	-	-	-	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: TWD3,645.00 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 Key Switch, SPST, 4 A 2-Way Flat-Key RS Stock No.: 863-6975 Mfr. Part No.: Y1011U2C202NQ Datasheets: TWD424.00 Each	C & K	-	2	Latching	SPST	4 A	-	Flat	Through Hole	Glass Filled Polyester	Round	Point of Sale Terminal, Cash Register, Computer	23.14mm	90°	-	-	-	Silver
Kaba Key Switch, SP-CO, 5 A@ 250 V ac 2-Way Flat, Random-Key RS Stock No.: 825-635 Mfr. Part No.: K640062-NI Datasheets: TWD2,781.00 Each	Kaba	-	2	Off-(On)	SP-CO	5 A@ 250 V ac	-	Flat, Random	Solder	-	-	High Security	-	-	-	-	-	-
Lorlin High Security Key Switch, DPST, 50 mA @ 250 V ac 2-Way Flat-Key RS Stock No.: 562-573 Mfr. Part No.: DSL-6-D-S Datasheets: TWD1,252.00 Each	Lorlin	-	2	Off-On	DPST	50 mA @ 250 V ac	-	Flat	Solder	-	Round	-	-	90°	-	-	-	Silver Plated Brass
Lorlin Key Switch, SP-CO, 1 A @ 24V ac dc / 115V ac 3-Way Random-Key RS Stock No.: 711-8341 Mfr. Part No.: SRL-5-F-D-2 Datasheets: TWD328.00 Each	Lorlin	-	3	-	SP-CO	3 A @ 50 V dc, 5 A @ 115 V ac	-	Random	Solder	Glass Fibre Reinforced PA	Tapered	-	22.4mm	90°	-	-	-	Silver Plated Brass

Key Switches

What are key switches used for?

311 Products showing for Key Switches

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