DPM Series door position monitoring units, allow for door status monitoring. The DPM300 is for the 300 series of surface magnets, the DPM400 is for the 400 series and the DPM500 for the 500 series.

Features:

• Can be retrofit to V-Series surface magnets.
• Signals door status (not lock status)
• Changeover signalling (Com, NO, NC).
• Idea for access control monitoring.
• Suitable for auto-relock.