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Eff Eff 331 Series Fail Unlocked Electric Strike
Product ID: 331Series
Eff Eff 331 Series Fail Unlocked Electric Strike
  • Description
  • 331 Series Table
  • Technical Data

Safety electric strikes for fire doors with an exceptionally sturdy design.

Model with recovery diode for access control systems. Monitoring contact as potential-free changeover contact. This is actuated by the latch bolt via a slide.

The 331 Series Fail Unlocked range comes equipped with a sturdy precision-casted steel casing. 

This model is suitable primarily for steel or timber frames and a horizontal fitting is permitted.


Monitoring optional (see 331 Series Table for appropriate models).


Strike plate included.


View 331 Series Overview Datasheet

  • DIN direction: Right-hand or left-hand (to be specified)
  • Break-in resistance: 15000 N 
  • Height: 134 mm 
  • Width: 23 mm 
  • Depth: 39 mm 
  • Operating temperature range: -15 °C to +40 °C 
  • Installation position: vertical and horizontal 
  • Material housing: Steel precision-casting 
  • Latch material: Steel 
  • Operating voltage tolerance range: ± 2 V (F Model) or ± 1 V(E Model)
  • Rated resistance: 175,00 Ω (F Model) or 42,00 Ω (E Model)
  • current consumption: 70 mA (F Model) or 160 mA (E Model)
  • Current consumption DC (stabilised): 140 mA (F Model) or 285 mA (E Model)
  • AC operating noise: well audible [3]
  • Max. latch preload AC: 250 N
  • Max. latch preload DC (stabilised): 250 N
List Price: £522.14
You save £11.59
£612.66 inc. VAT

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