Euchner NM11WOK-MC2069 Safety sw. with domed plunger 1NC+1NO


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The plastic-encapsulated safety switches of design NM are used for monitoring the position of safety doors and moving machine components. Every user can thus employ the optimum actuating element for his/her application. The easy adjustability of the actuator heads in 4 approach directions permits maximum flexibility. Two basic housings are available with up to 3 switching contacts. The compact design, as well as the option of any installation orientation, means that these switches can be integrated with all automation and assembly fields. Safety switch NM.AV/NM.AL, hinged actuator as solid shaft, short housing. Safety switch NM.WO with a domed plunger, short housing and has a cable entry of M16 x 1.5.


  • Protective insulation with glass fibre-reinforced plastic, degree of protection IP67
  • Long mechanical life
  • 5 different actuating heads for the same basic housing
  • Minimum dimensions combined with maximum functionality
  • Simple, rapid conversion in 4 approach directions
  • 3 cable entries laterally and from below (type NM11..., NM02...,NM12..., NM03...) in the long housing
  • Large connection space of the individual contact elements
  • Up to 3 switching contacts


Design: Safety switch NM.WO with domed plunger, short housing

Material: Housing Reinforced thermoplastic

Contact material: Silver alloy, gold flashed

Number of door position positively driven contacts: 1

Number of door position NO contacts: 1

Switching principle: Slow-action switching contact

Installation orientation: Any

Approach speed: max.60 m/min

Actuation frequency: max.5000 1/h

Retention force: -

Extraction force: -

Actuating force: 15 N

Insertion depth: -

Mechanical data

Mechanical life: 30 x 106

Connection: 1 x M16 x 1.5

Electrical data

Thermal rated current: 4 A

Switching voltage: Min. at 10mA 12 V

Switching current: Min. at 24V 1 mA

Rated insulation voltage: 250 V

Rated impulse withstand voltage: 2,5 kV

Connection cross-section: 0,34 ... 1,5 mm²

Ambient conditions

Ambient temperature: -20 °C to 80 °C

Degree of protection: IP67

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