Bosch FNX-425U-RFWH combination bell and light

FNX-425U-RFWH Bell Unifier

The FNX-425U-RFWH combined sound and light signal device is an alarm used in fire alarm systems, combining sound and visual signaling functions. This device is designed for installation in environments that require clear and effective warning capabilities, enhancing the ability to alert people within the area. With a white color and the ability to produce sound up to 97 dBA, it ensures a wide-range warning capability.

Key Features

• Effective alarming: EN 54-3 and EN 54-23 certified

• Uninterruptible alarm signaling, even in LSN stub

• Easy and cost efficient installation and replacement

• Up to 84 elements per loop, up to 127 if operated without detector

• For combination with any detector of AVENAR detector 4000 series

Specifications

• Battery type Lithium
• Color: White
• IP rating IP41; IP21C
• Material Plastic (ABS)
• Maximum sound pressure level at a distance of 1 m (dBA): 97 dBA
• Operating temperature (°C): -10 – 55 °C
• Storage temperature (°C): -30 – 75 °C
• Typical battery life (years): 10
• Weight (g): 473 g