
DAS wired addressable fire alarm · Sanjiang devices used in DAS systems
JTW-ZD-A20E-ExIntrinsically safe (explosion-proof) addressable heat detector
Class A2R addressable heat detector, intrinsically safe type Ex ib IIC T6 Gb, for hazardous areas with a fire and explosion risk.
- Certified to GB 4716 & GB/T 3836.1 & GB/T 3836.4
- Type of explosion protection
- Fully electronic coding; the address can be reset on site with an address programmer
Price on request
Class A2R addressable heat detector, intrinsically safe type Ex ib IIC T6 Gb, for hazardous areas with a fire and explosion risk.
Key features
- Certified to GB 4716 & GB/T 3836.1 & GB/T 3836.4
- Type of explosion protection: intrinsically safe, marking Ex ib IIC T6 Gb
- Fully electronic coding; the address can be reset on site with an address programmer
- Microprocessor samples the temperature in real time and tracks its trend along a curve
JTW-ZD-A20E-Ex technical specifications
| Model | JTW-ZD-A20E-Ex |
|---|---|
| Operating voltage | 24V loop |
| Operating current | Quiescent current: <300 µA; alarm current: <1 mA |
| Explosion-protection marking | Ex ib IIC T6 Gb |
| Product class | A2R |
| Dimensions (with base) | 105×43 mm (Ø×H) |
| Operating environment | Operating temperature: -10 °C to 55 °C; relative humidity: ≤ 95% (non-condensing at 40 °C ±2 °C) |
| Standards | GB 4716 & GB/T 3836.1 & GB/T 3836.4 |
| Brand | Sanjiang |




