| Stock available | Qty | Delivery |
|---|---|---|
| Poole | 1 | Same day dispatch |
| UK Hub | 3 | 1 to 3 working days |
- Combined sounder and VAD in a detector base, certified to EN 54-3 and EN 54-23
- Use with a detector fitted, or standalone with the optional cover plate (EF538COV)
- First-fix base design for quicker installation
- Three selectable tones and high/low volume setting
- Switch to turn the sounder off so the unit works as a VAD only
- Very low standby current in BiWire mode
Frequently bought together
Product details
The Eaton EF5021BWSB is a BiWire Ultra sounder VAD base for Eaton two-wire conventional fire alarm systems, combining a 90dB(A) sounder and EN 54-23 visual alarm in a first-fix detector base.
The Eaton EF5021BWSB is a BiWire Ultra base sounder VAD: a first-fix detector base with a built-in sounder and visual alarm device (VAD) for Eaton BiWire two-wire conventional fire alarm systems. It is certified to EN 54-3 and EN 54-23.
A BiWire Ultra detector can be fitted on top, or the base can be used on its own as a standalone sounder VAD with the optional cover plate. A sounder-only version (EF5021BWS) is also available.
Key features
- Combined sounder and VAD in a detector base, certified to EN 54-3 and EN 54-23
- Use with a detector fitted, or standalone with the optional cover plate (EF538COV)
- First-fix base design for quicker installation
- Three selectable tones and high/low volume setting
- Switch to turn the sounder off so the unit works as a VAD only
- Very low standby current in BiWire mode
- No serviceable components, so no routine maintenance of the device is needed
Frequently asked questions
Can the EF5021BWSB be used without a detector?
Yes. It can be used standalone as a sounder VAD with the optional EF538COV cover plate.
Can the sounder be switched off?
Yes. A switch turns the sounder off so the unit works as a VAD only.
How loud is it?
90 ±3 dB(A) at high volume and 80 ±3 dB(A) at low volume, with three selectable tones.
