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Clarkes Instruments 925 Rim Electric Release

Product Information

Made from solid brass, the 925A rim release features a large latch bolt cavity capable of accomodating the latches of most British Standard nightlatches. (Please note the 925 is not a British Standard product). Compatible with timber frames. 


  • Type: Rim.
  • Style: European.
  • Jaw: None adjustable.
  • Jaw Dimensions: (H) 44mm x (W) 16mm x (D) 18mm.
  • Dimensions: (W) 98mm x (H) 76mm x (D) 41mm.
  • Field Reversible: Fail safe / fail secure.
  • Current Consumption: 300mA.
  • Holding Force: 915kg.
  • Latch Accommodation: 20mm latch accommodation (incl. 3mm air gap).


  • Height: 98mm
  • Width: 76mm
  • Depth: 41mm
  • Jaw height: 16mm
  • Jaw depth: 18mm
  • Jaw width: 44mm


  • Fail locked/secure: applying current to the strike causes the jaw to pivot back, allowing the latch to clear the strike and the door to be opened from the outside
  • Fail unlocked/safe: the jaw remains locked while a current is applied to it. When the current is broken, the jaw pivots back, allowing the latch to clear the strike and the door to be opened from the outside
  • Current can be controlled by keypad, keyswitch or any access control system


  • Voltage:12V DC
  • Power failure mode:Fail locked/secure
  • Suits Yale PBS1 and PBS2 and ERA 1830/1930 nightlatches in most circumstances. However, where the gap between the door and the frame is very small, the bolt may not engage with the strike
  • Maximum holding force is 900kg/2000lbs
  • Manufactured from solid brass
  • Current drawn = 0.30 amps
  • Suitable for inward opening doors only


  • Boxed in singles



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