Limit Switches and safety relays

Limit switches and safety relays are critical components in industrial automation for position detection and machine safety. Our range includes mechanical limit switches with slow-action or snap-action contacts, available in various configurations such as 1 NO, 2 NC, or combinations, with different actuation methods like plunger, roller lever, o...

Limit switches and safety relays are critical components in industrial automation for position detection and machine safety. Our range includes mechanical limit switches with slow-action or snap-action contacts, available in various configurations such as 1 NO, 2 NC, or combinations, with different actuation methods like plunger, roller lever, or hinge. Safety relays provide redundant circuits for monitoring safety functions, often with forced-guided contacts. These devices feature robust enclosures with IP65 protection, cable entries from M16 to M25, and are designed for reliable operation in harsh environments. The modular design simplifies maintenance, and plug-in assemblies facilitate quick installation and replacement.

These components are widely used in manufacturing plants, packaging machinery, conveyor systems, and automated assembly lines. They are essential for safety circuits in machine tools, robotics, and material handling equipment. In process industries, they ensure proper positioning of valves and gates. The foot switch variants are ideal for industrial machinery control, requiring operator presence or safety interlocks. They are commonly installed in control panels, distribution boards, and directly on machinery for end-of-travel detection or emergency stop functions.

All products comply with international standards such as IEC 60947-5-1 for control circuit devices and switching elements, and ISO 13849 for safety-related parts of control systems. They are compatible with major automation platforms including Siemens. The safety relays meet SIL 3 and PL e requirements, ensuring high reliability in safety applications. The limit switches are designed for direct integration with PLCs and safety controllers.

We offer express worldwide shipping and personalized technical support from our team of specialized engineers. Each product includes detailed technical documentation with wiring diagrams and installation guides. Our real-time pricing system ensures competitive rates, and our multilingual portal provides easy access to specifications and certifications. Whether you need a single component or bulk quantities, we guarantee fast delivery and expert assistance for your automation projects.

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Manufacturer Code Reference Catalog Number Description Delivery Price

3SE2243-0XX

3SE2243-0XX

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end Slow-action contacts 1 NO+2 NC, 3 x (M20 x 1.5) Pull-out force 30 N Supplied without actuator

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3SE2243-0XX18

3SE2243-0XX18

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Safety position switch with separate actuator Molded-plastic enclosure, lateral and face-end operation Slow-action contacts 1 NO+2 NC, 3 x (M16 x 1.5) Pull-out force 30 N Supplied without actuator

3 View Availability View Price

3SE2243-0XX30

3SE2243-0XX30

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end Slow-action contacts 1 NO+2 NC, 3 x (M20 x 1.5) with automatic ejection Supplied without actuator

3 View Availability View Price

3SE2243-0XX38

3SE2243-0XX38

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end Operation, slow-action contact 1 NO/2 NC, 3 x (M16 x 1.5) with automatic ejection Supplied without actuator Suitable actuators 3SX32..

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3SE2243-0XX40

3SE2243-0XX40

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end Slow-action contacts 1 NO+2 NC, 3 x (M20 x 1.5) Pull-out force 5 N Supplied without actuator

3 View Availability View Price

3SE2243-6XX40

3SE2243-6XX40

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end operation Slow-action contacts 3 NC 3 x M20 x 1.5 Pull-out force 5 N Supplied without actuator

3 View Availability View Price

3SE2243-6XX48

3SE2243-6XX48

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Safety position switch with separate actuator Molded-plastic enclosure, lateral and face-end operation Slow-action contacts 3 NC, 3 x (M16 x 1.5) Pull-out force 5 N Supplied without actuator

3 View Availability View Price

3SE2257-6XX

3SE2257-6XX

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safety position switch with separate actuator plastic, short enclosure, 3x(M20x1.5), lateral and face-end operation, slow-action contacts 1 NC pull-out force 30 N, supplied without actuator

SAFETY END OF STROKE WITH SEPARATE ACTUATOR, ENCAPSULATED INSULATING MATERIAL, SHORT BOX,

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3SE2257-6XX30

3SE2257-6XX30

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Safety position switch with separate actuator Molded-plastic-encapsulated short enclosure, 3x(M20x1.5) lateral and face-end operation Slow-action contacts 1 NC, with automatic ejection Supplied without actuator

3 View Availability View Price

3SE2257-6XX18

3SE2257-6XX18

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Safety position switch with separate actuator Molded-plastic-encapsulated lateral and face-end Operation, 1 NC, 3 x (M16 x 1.5) Pull-out force 30 N Supplied without actuator

3 View Availability View Price

3SE2243-0XX48

3SE2243-0XX48

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Safety position switch with separate actuator Molded-plastic enclosure lateral and face-end Operation, slow-action contact 1 NO/2 NC, 3 x (M16 x 1.5) Pull-out force 5 N Supplied without actuator Suitable actuators 3SX32..

3 View Availability View Price

3SE2257-6XX38

3SE2257-6XX38

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Safety position switch with separate actuator Molded-plastic-encapsulated lateral and face-end Operation, 1 NC, 3 x (M16 x 1.5) automatic ejection Supplied without actuator

3 View Availability View Price

3SE2257-6XX40

3SE2257-6XX40

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Safety position switch with separate actuator Molded-plastic-encapsulated short enclosure, 3x(M20x1.5) lateral and face-end operation slow-action contact 1 NC, Pull-out force 5 N Supplied without actuator

END OF SAFETY STROKE WITH SEPARATE ACTUATOR, ENCAPSULATED INSULATING MATERIAL, SHORT BOX, SIDE AND FRONT DRIVE 1NC, PULLING FORCE 5N; SUPPLY WITHOUT ACTUATOR

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3SE2283-0GA43

3SE2283-0GA43

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Hinge switch Molded-plastic enclosure with aluminum hinge 1 NO/2 NC, Slow-action contacts for 40 mm profiles Supplied with additional hinge and fixing material Actuating angle 4°

HINGE SWITCH SIGUARD MAT BOX. AISL. WITH HINGE AT 2NC/1 NA, FOR PROFILES 40MM SUPPLY WITH ADIC HINGE. AND FIXING MATERIAL

3 View Availability View Price

3SE2257-6XX48

3SE2257-6XX48

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Safety position switch with separate actuator Molded-plastic-encapsulated lateral and face-end Operation, 1 NC, 3 x (M16 x 1.5) Pull-out force 5 N Supplied without actuator

3 View Availability View Price

3SE2283-0GA44

3SE2283-0GA44

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Hinge switch Molded-plastic enclosure with stainless steel hinge 2 NC/1 NO, for 40 mm profiles Supplied with additional hinge and fixing material Actuating angle 4°

INTERR. SIRIUS HINGE INSULATING MATERIAL BOX WITH 2NC/1NA STAINLESS STEEL HINGE, FOR 40MM PROFILES, SUPPLY WITH ADDITIONAL HINGE AND FIXING MATERIAL

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3SE2283-6GA43

3SE2283-6GA43

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Hinge switch Molded-plastic enclosure with aluminum hinge 3xNC, Slow-action contacts for 40 mm profiles Supplied with additional hinge and fixing material Cable entry 2 x M20 x 1.5 Actuating angle 4°

HINGE SWITCH SIGUARD MAT BOX. AISL. WITH HINGE TO 3NC, FOR PROFILES 40MM SUPPLY WITH HINGE ADIC. AND FIXING MATERIAL

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3SE2283-6GA44

3SE2283-6GA44

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SIRIUS HINGE SWITCH MOLDED-PLASTIC ENCLOSURE W/HIGH-GRADE STEEL HINGE 3NC, FOR 40MM PROFILES, SUPPLIED W/ADDITIONAL HINGE AND FIXING ACCESSORIES OPERATING ANGLE 4 DEGREES

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3SE2283-6GA53

3SE2283-6GA53

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Hinge switch Molded-plastic enclosure with aluminum hinge 3xNC, Slow-action contacts for 40 mm profiles Supplied with additional hinge and fixing material Cable entry 2 x M20 x 1.5 Actuating angle 8°

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3SE2283-0GA53

3SE2283-0GA53

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Hinge switch Molded-plastic enclosure with aluminum hinge 1 NO/2 NC slow-action contacts for 40 mm profiles Actuating angle 8° Supplied with additional hinge and fixing material

HINGE SWITCH FORMSTOFFGEHAEUSE MIT ALUMINIUM HINGESIRIUS Contactors A. NORMAL 1NA/2NC FOR PROFILES 40MM ANGLE MANOEUVRE 8 GRD SUPPLY WITH ADIC HINGE. AND FIXING MATERIAL

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3SE2902-0AA20

3SE2902-0AA20

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Momentary-contact foot switch, 1-pedal With cover, without latching Metal enclosure IP65, 1 NO+1 NC, cable entry M20 x 1.5

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3SE2903-1AA20

3SE2903-1AA20

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Momentary-contact foot switch, 1-pedal, with cover, without latching, Metal enclosure IP65, 2 NO+2 NC, Cable entry M20 x 1.5

3 View Availability View Price

3SE2903-1AB20

3SE2903-1AB20

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Momentary-contact foot switch, 1-pedal without cover, without latching Metal enclosure IP65, 2 NO+2 NC, Cable entry M20 x 1.5

3 View Availability View Price

3SE2912-2AA20

3SE2912-2AA20

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Foot switch, 1-pedal with cover, with latching Metal enclosure IP65, 1 NO+1 NC, Cable entry M20 x 1.5

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3SE2912-2AB20

3SE2912-2AB20

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Foot switch, 1-pedal without cover, with latching Metal enclosure IP65, 1 NO+1 NC, Cable entry M20 x 1.5

3 View Availability View Price

3SE2924-3AA20

3SE2924-3AA20

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Safety momentary-contact foot switch 1-pedal, with protective cover, IP65, with interlock function, 2 NO+2 NC, NO contact, closes as pushbutton, NC contact, opens with simultaneous latching (safety function), cable entry M20 x 1.5

3 View Availability View Price

3SE2903-1AE20

3SE2903-1AE20

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Momentary-contact foot switch, single-pedal Cable entry M20 x 1.5 2 NO+2 NC, actuating force 24.6 N without protective cover, IP65, with two mounting holes

3 View Availability View Price

3SE2902-0AB20

3SE2902-0AB20

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Momentary-contact foot switch, 1-pedal, without cover, without latching, Metal enclosure IP65, 1 NO + 1 NC, Cable entry M20 x 1.5

3 View Availability View Price

3SE2932-0AA20

3SE2932-0AA20

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Momentary-contact foot switch, 2-pedal with cover, without latching, Metal enclosure IP65, 1 NO+1 NC Cable entry M25 x 1.5

3 View Availability View Price

3SE2932-1AA20

3SE2932-1AA20

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Momentary-contact foot switch, 2-pedal with cover, without latching, Metal enclosure IP65, 2 NC+2 NO Cable entry M25 x 1.5

3 View Availability View Price

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