steute Datasheets for Mechanical Safety Interlock Switches

Mechanical safety interlock switches couple a moveable guard door with the power source of the hazard. When the guard door is opened, the power is isolated, ensuring that the machine does not pose a hazard while an operator requires access.
Mechanical Safety Interlock Switches: Learn more

Product Name Notes
Safety Sensors Extreme -- HS Si 4 -40°C IP69K Extreme Features/Options Cold-resistant down to -40 °C High degree of protection IP 69K Thermoplastic enclosure Long life Hall sensor 1 NC/1 NO or 2 NC contacts Galvanically separated channels With pre-wired...
Ex Safety Sensors -- Ex RC Si M30 Features/Options Ex zone 1 and 21 Metal enclosure Available in stainless steel enclosure Reed contacts, coded Actuation from front Switching distance up to 8 mm Special version only for gas...
Ex Safety Switches with Separate Actuator -- Ex ES 98 ST Features/Options Ex zone 1 and 21 Metal enclosure Design to EN 50041 Wiring compartment Actuator can be repositioned in factory by 4 x 90° Special version only for dust Ex...
Ex Safety Switches with Separate Actuator -- Ex ST 61 Features/Options Ex zone 1 and 21 Metal enclosure Double insulated Slow action , change-over contact with double break With pre-wired cable Long life High level of contact reliability with low...
Ex Safety Switches for Hinged Guards -- Ex 355 V.S Features/Options Ex zone 1 and 21 Metal enclosure Mounting details to EN 50041 Wiring compartment Actuator can be repositioned by 4 x 90° Actuating shaft can be turned 360° Shaft...
Ex Safety Switches with Separate Actuator -- Ex 355 AZ Features/Options Ex zone 1 and 21 Metal enclosure Mounting details to EN 50041 Wiring compartment Actuator can be repositioned in factory by 4 x 90° Special version only for dust...
Ex Safety Switches for Hinged Guards -- Ex 98 SB Features/Options Ex zone 1 and 21 Metal enclosure Slow action , change-over contact or 2 NC contacts with double break Wiring compartment Design to EN 50041 Actuator can be repositioned...
Solenoid Interlock -- Ex AZP 415 Features/Options Ex zone 1 and 21 Release by means of pneumatic cylinder Two Ex switch inserts in one enclosure Problem-free opening of stressed doors by means of bell-crank system High...
Solenoid Interlock -- Ex AZM 415 Features/Options Ex zone 1 and 21 Special version up to +90 °C ambient temperature for dust Ex zone 21 available (HU) Spring-to-lock or power-to-lock principle Two Ex switch inserts in...
Ex Safety Switches with Separate Actuator -- Ex 14 AZ-95-S Features/Options Ex zone 1 and 21 Thermoplastic enclosure Double insulated With pre-wired cable
Ex Safety Switches for Hinged Guards -- Ex 13 SB Features/Options Ex zone 1 and 21 Thermoplastic enclosure Double insulated With pre-wired cable Version with cable entry on side available on request Gold-plated contacts available on request Shaft bore ø
Ex Safety Sensors -- Ex HS Si 4 Features/Options Ex zone 1 and 21 Thermoplastic enclosure Hall elements, coded Actuation from front Switching distance up to 8 mm With pre-wired cable Special version only for gas Ex zone...
Ex Safety Sensors -- Ex RC Si 56 Features/Options Ex zone 1 and 21 Thermoplastic enclosure Long life Reed contacts, coded Actuation from front Switching distance up to 6 mm With pre-wired cable Special version only for gas...
Ex Safety Switches with Separate Actuator -- Ex AZ 16 Features/Options Ex zone 1 and 21 Thermoplastic enclosure Multiple coding Slow action , change-over contact or 2 NC/1 NO contact with double break With wiring compartment or pre-wired cable Special...
Ex Safety Switches for Hinged Guards -- Ex 95 T5C Features/Options Ex zone 1 and 21 Thermoplastic enclosure Slow action , change-over contact with double break Cable entry M20 x 1.5 Wiring compartment Double insulated Gold-plated contacts available on request...
Solenoid Interlock -- Ex STM 295 Features/Options Ex zone 1 and 21 Thermoplastic enclosure Wiring compartment Spring-to-lock or power-to-lock principle Two Ex switch inserts in one enclosure Double insulated Holding force 1000 N Actuator can be...
Ex Safety Switches with Separate Actuator -- Ex ST 14 Features/Options Ex zone 1 and 21 Thermoplastic enclosure With pre-wired cable Slow action , change-over contact or 2 NC contacts with double break Slow action available with contact overlapping Double...
Ex Safety Switches with Separate Actuator -- Ex AZ 16-3D Features/Options Ex zone 22 Thermoplastic enclosure Multiple coding Slow action , 2 NC/1 NO contact with double break Wiring compartment
Door Contacts with Positive Break Extreme -- ES 14 AZ Extreme Features/Options High degree of protection IP 67 Thermoplastic enclosure Slow action , 1 NC contact With pre-wired cable Version with cable entry on side available on request Double insulated Version...
Ex Door Contacts with Positive Break -- Ex 14 AZ Features/Options Thermoplastic enclosure Double insulated Slow action , 1 NC contact With pre-wired cable Version with cable entry on side available on request Special version only for dust Ex zone...
Safety Switches with Separate Actuator Extreme -- ES 95 AZ IP66 Niro Extreme Features/Options Version with higher degree of protection IP 66: From a distance of 2.5 to 3.0 m, the devices are treated with splashing water from different directions at 100 l...
Safety Sensors Extreme -- BZ 16 IP69K Extreme
Safety Sensors Extreme -- RC Si 56 IP69K Extreme
Safety Sensors Extreme -- RC Si M30 IP69K Extreme
Features/Options Version with higher degree of protection IP 69K: suitable for cleaning with 80 °C hot water at 100 bar pressure at a distance of 100 mm from different directions...
Solenoid Interlock -- STM 295 Features / Options Thermoplastic enclosure Double insulated Spring-to-lock or power-to-lock principle Holding force 1000 N Wiring compartment