Product description
Model with monitoring contact as potential-free changeover contact, actuated by the latch bolt.
The 331UR Model Series is guaranteed to work reliably in interlock systems, on soundproofed doors and on doors where pressure on the keeper is expected due to the structural design.
Overview of Advantages
- Monitoring contact
- Recovery diode
- Reliable unlocking under preload
- Sturdy design for demanding requirements
Note
Can only be used as a supplementary locking device on fire doors
