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Safety Door Switch DSM Series

Non-locking mini safety switch

A standard door interlock monitoring device. Installed via key-actuated switch body to detect door movement and provide signal feedback

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Product Features

Compact & Lightweight

Small footprint, Minimal weight

Multiple Contact Configurations Available

Available in 2-pole, 4-pole, or 6-pole configurations with gold-plated silver alloy contacts for enhanced durability and reliability.


High Flexibility Design

Omni-directional key system, enhanced misalignment tolerance, auto-alignment mechanism


Cost-effective


Wide Application Range


Application Scenarios

Technical Parameter

Model
DSM-□□□
Standard
EN 60947-5-1、ISO 14119:2013、ISO 13849-1:2015
Shell material
PA66 flame-retardant
Enclosure rating *1
IP65 (EN 60947-5-1, except for key operating holes)
Service life *2
Mechanical operation, over 1 million times / Electrical operation, over 300,000 times
Rated insulation voltage (Ui)
400V
Rated impulse withstand voltage (Uimp)
4kV
Rated open thermal current (Ith)
8A
Usage category
AC-15
Rated operating voltage (Ue)
AC400V
Rated operating current (Ie)
2A
Rated conditional short-circuit current
1000A
Forced detachment force
≥60N
Forced detachment distance
≥10mm
Operating frequency
20 times / min
Ambient temperature
-20 ℃~60 ℃, w/o icing
Ambient humidity
Below 85% RH

Selection Method

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