400-003
Numens 400-003 is a non-addressable 4-wire CO gas detector for conventional fire alarm systems, using a semiconductor sensor for early carbon monoxide detection with high false alarm immunity.
It features relay output (SPST N/O or N/C), built-in sounder, and auto-reset functionality, suitable for residential and commercial life safety applications with easy installation requiring no programming.
Specifications Table
| Specification | Details |
|---|
| Specification | Details |
|---|---|
| Part Number | 400-003 |
| Type | 4-wire CO detector w/ relay & sounder |
| Operating Voltage | DC 12–24 V |
| Quiescent Current | 50 µA |
| Alarm Current | 50 mA max |
| Sounder Output | ≥85 dB @ 3 m |
| Relay Output | 1A @ 30VDC / 0.5A @ 125VAC |
| Dimensions | Ø99 × 45 mm |
| IP Rating | IP42 |
| Temperature Range | -10°C to +40°C |
| Standards | EN 50291, UL 2075, CE |
