IS-MDC-12 Interlock® Switch

Dual Channel Interlock® Switch

Lasermet’s IS-MDC-12 is a dual channel coded magnetic door safety contact, which is used to detect when a door or other moveable cover forming part of a protective enclosure is open.

  • Achieve Performance Level ‘e’ as specified in BS EN 13849-1:2008
  • Small, sleek, and compact package
  • CE and UKCA marked


  • Small and compact – good looking design blends in with professional standard laboratories and hi-tech premises
  • High performance and high reliability. The IS-MDC-12 can achieve Performance Level ‘e’ as specified in BS EN 13849-1:2008 when correctly wired to a suitable Interlock® controller
  • “Coded” design. i.e. The magnetic field is arranged such that the switch cannot easily be defeated by a single magnet
  • Measuring just 67mm wide, 29.5mm tall and 13.5mm deep, the dual channel Interlock® switch has a compact footprint
  • High tolerance to offset alignment
  • Concealed rear, or top, cable entry
  • Conforms to CE and UKCA requirements

The IS-MDC-12 has three contacts, two of which are closed and one of which is open when the door is closed. All three contacts change over when the door is open.

Contacts2NC / 1NO
Rating300mA Resistive Load 50V
Magnet CouplingCoded
Maximum RangeTypically 10mm
Safety PerformanceUp to EN 13849-1:2008 PL’e’
Operating Environment-5° to +45°C, 0 – 95% RH
Environmental ProtectionIP50
Switch Size67 X 29.5 X 13.5mm
Actuator Size67 X 29.5 X 13.5mm
Lead Length2m approx.
Combined Weight85g approx.
Conforms to StandardsBS EN 1088:1995+A2:2008 Safety of machinery – Interlocks