alarm button

1. Working Voltage: 24V (Pulse Modulation) 2. Static Current: <500uA 3. Active Current: <3mA 4. Output Contact Capacity: 0.1/12VDC5, Contour Size: Fig. 5. As shown, 122 *95 *50mm (with base) 6. Weight: about 150 g 7. Implementation criteria: GB19880-2005 8. Wiring mode: two-wire system (L+, L-) 9. Use environment: indoor, temperature - 10 ~50 C, relative humidity < 95% (no condensation at 40 C) 10. Coding method: address can be written online by encoder 11. Telephone jack: two-wire fire-fighting telephone (circular plug)