NB 525 S, Universal Conventional Manual Call Point

NB 525 S is a conventional manual call point designed for direct alarm activation when a fire hazard is observed. The unit is triggered manually by pressing the activation element, which sends an alarm signal to the fire detection system.

Main Features

• Highly visible activation surface for quick manual operation.
• Resettable mechanism using a dedicated tool or key.
• Integrated indicator showing activation status.
• Durable housing resistant to mechanical impact.
• Compatible with conventional alarm zone wiring.
• Suitable for wall-mounted installation in various environments.

Applications

NB 525 S is installed in corridors, stairwells, near exits, public areas, commercial buildings and industrial facilities where manual fire alarm activation must be accessible.

Technical Summary

• Type: manual call point.
• Connection: conventional 2-wire or 4-wire configuration (depending on version).
• Installation: wall-mounted using either surface or flush mounting boxes.