Assa Abloy Lockwood PD-770300-S Z4 Electromagnetic Lock

280kg; Monitored option; Surface Mount; 12/24VDC; Single

Key Features

  • Fail-safe: unlocks when power is removed
  • Easy installation: suitable for both new and retrofit usage
  • High holding force: refer to the technical data overleaf
  • Self-alignment: armature plate pivots to accommodate door drop
  • Silent operation: no humming or buzzing
  • Dual voltage: site selectable 12 or 24 Vdc
  • Monitoring: Reed Switch monitoring on all models. Hall-Effect monitoring on Z4.
  • Instantaneous release: smart electronics on the Z Series Electromagnets eliminate residual magnetism

Monitoring (PD-770300-012)

  • Hall/Bond Monitoring: This indicates that the lock is powered and that the armature plate is in position and magnetically bonded (it monitors if the magnet is locked)
  • Reed switch monitoring: An integrated reed switch monitors the door position separately (it monitors the position of the door)


  • Aluminium doors
  • Glass doors
  • IT Storage rooms
  • Access control
  • Surface mount for inswing and outswing doors

Standards and Compliance

  • Successfully fire rated up to 4hrs on fire door assemblies in accordance with AS1905.1. 2005 (Part 1: Fire resistant door sets)
  • CE Approved
  • C-Tick Certified



Holding Force

 250kg - 280kg


 (L)238 x (H)48 x (D)27 mm


 12Vdc/ 24Vdc ±10%


 450mA @ (12Vdc) 225mA @ (24Vdc)


 Hall-Effect/Bond sensing & Reed Switch - (PD-770300-012)
 None - (PD-770300-000)

Operating Temperature

 -10 to 55 Degrees

Operating Humidity

 0 - 95%

SKU IC-PD-770300-S
Model # PD-770300-S
Brand Lockwood Padde
Shipping Weight 0.8000kg
Shipping Width 0.050m
Shipping Height 0.050m
Shipping Length 0.238m
Unit Of Measure ea

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