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