NORMALLY OPEN 4 Core Single Reed Sealed Mini Metal Surface Contact (0.5m Armoured)

Grade: 2
Model: B022NO

B022NO provides a sturdy, aluminium housed contact with a small form factor. This contact is ideal for fitting on patio doors.

This contact is Normally Open (N/O) – The circuit through the contact is complete until the magnet is moved close by. With the magnet in close proximity, the circuit through the contact is broken.

The internals of the contact are sealed for environmental/tamper protection, with a 500mm length of 4 core fly lead provided for wiring. For extra security, the fly lead is encased within a stainless steel sleeve, ending with a grommet that can be used for direct attachment to other equipment.

Comes complete with fitting screws.

The B022NO forms part of the Maxhunt range.

  • The voltage Range is 1 – 100v DC/124v AC
  • Switching current 500mA Max DC/500mA Max AC
  • Temp Range -40 °C to +50°C


III – Outdoor sheltered


Wire loop


0.5m – 4 core, Armoured

Make Distance



36mm x 10mm x 16mm

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