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MS12

EN 81-20/50 safety module for door-contact bypass during levelling/re-levelling with open doors and UCM detection.

EN 81-20UCMSIL3
MS12 — Movilift
SIL3
Standards
EN 81-20
Standards

Overview

The MS12 is a safety module for the EN 81-20 / EN 81-50 safety circuit. It manages door-contact bypassing for levelling and re-levelling with open doors, and acts as a UCM (unintended car movement) detector.

  • Certified EN 61508-2:2002 SIL3, EN 81-20:2020, EN 81-50:2020
  • IN1/IN2 GND inputs, 2 NO + 1 NC guided-contact outputs
  • 4 status LEDs (POWER, OUT, IN1, IN2)
  • Rated 250 V AC / 8 A (max 400 V AC / 15 A)

Specifications

UsageEN 81-20/50 safety circuit
StandardsEN 61508-2 SIL3, EN 81-20:2020, EN 81-50:2020
InputsIN1, IN2 GND
Outputs2 NO + 1 NC guided contacts
Dimensions100 x 25 x 30 mm
Power supply24 VDC ±10%
Current consumption50–100 mA
Max nominal voltage250 V AC (max 400 V AC)
Max nominal current8 A (max 15 A)
Operating temperature-15 °C to +55 °C

Compatibility

EN 81-20/50UCM monitoring