The Eaton BiWire Ultra EF5021BWS is a base sounder for Eaton's BiWire two-wire fire alarm system. It can be used with a detector fitted directly on top, or with a cover (EF538COV, available separately) as a discreet standalone sounder. It has a first-fix mounting base and is certified to EN 54-3.
Key features
- For use on BiWire range conventional fire alarm panels
- Detector mounting base built in, or use with EF538COV cover as a standalone sounder
- First-fix base for easy installation
- 3 selectable tones: continuous (910 Hz), bell (1440 Hz) and alternating (610/910 Hz)
- High/low volume setting
- Optional locking tab
- Remote indicator LED connection
- No serviceable components, so no maintenance required
Technical specifications
- Supply voltage: alarm 25.5-35 V DC; standby 18-25.5 V DC
- Standby current (BiWire mode): less than 15 µA
- Current: high volume 4.7 mA; low volume 2.6 mA
- Sound output: high volume 90 ±3 dB(A); low volume 80 ±3 dB(A), all tones
- Tones: 3
- Cable: 0.5-2.5 mm², FIRETUF, FP200 or MICC
- End-of-line: EOLM-3
- Operating temperature: -10°C to +55°C (93% ±3% RH)
- Material: ABS/PC FR plastic
- Environmental category: Type A, IP21C
- Standards: EN 54-3:2001 + A1:2002 + A2:2006
