Bosch FNM-420-A-RD Addressable Sounder, Indoor, Red
An analog addressable stand-alone sounder for indoor use on Bosch LSN loops.
Dealer for BoschBosch AVENAR all-in-one 4000 FNX-425U Sounder and Visual Alarm Base, Red (RFRD) or White (WFWH)
An uninterruptible analog addressable base that combines a sounder and a visual alarm for indoor use, in a red housing with red flash (FNX-425U-RFRD) or a white housing with white flash (FNX-425U-WFWH).
- Sounder to EN 54-3 and visual alarm to EN 54-23 in one device
- Powered by the loop in standby and by the built-in lithium battery in alarm, no external supply; typical battery life 10 years
- Up to 84 devices per loop, or up to 127 without detectors; takes any AVENAR detector 4000
- Keeps signalling even in a broken LSN stub; maximum 97 dBA at 1 m
- IP41, operating temperature in °C: -10 to 55; battery pack included, red cover included with the RFRD
- Bosch lists VdS, VdS-S, CPD, CNBOP and CMIM certificates
Standards and approvals: CMIM, CNBOP, CPD, VdS, VdS-S
Specifications
Specifications
| Specification | FNX-425U-RFRD | FNX-425U-WFWH |
|---|---|---|
| Weight (g) | 473 | 473 |
| Operating temperature (°C) | -10 to 55 | -10 to 55 |
| Storage temperature (°C) | -30 to 75 | -30 to 75 |
| Typical battery life (years) | 10 | 10 |
| Maximum sound pressure level at a distance of 1 m (dBA) | 97 | 97 |
| Battery type | Lithium | Lithium |
| IP rating | IP41; IP21C | IP41; IP21C |
| Color | Red | White |
| Material | Plastic (ABS) | Plastic (ABS) |
Specifications as published by Bosch. Please confirm the exact model with us before ordering.
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