A CPU and smart software are built in the manual fire alarm push button. It sends alarm signal to the fire alarm controller through bus and lights up the fire alarm indictor; a push button switch is built in, which can be operated and self-locked through mechanical operation, the button can be reset with a special key; a set of commonly used contact spots which can used by on-site fire-fighting equipment (e.g. alarm bell). The contact point closes when pressing start. The product is fully in compliance with the requirements of GB19880-2005 Manual Fire Alarm Push Button, which is stable and reliable.
· Electronically encoded with only one ID; online addressing by controller or addressing by encoder.
. Automatic log-in, convenient installation and debugging.
· Unique rotary structure, convenient installation.
· Special key for reset.
· Built-in interphone socket with a “Phone” indicator.
· Supports the “digital bus” communication protocol.
· Working temperature: －10℃ ～ +50 ℃
· Working voltage: DC24V Pulsating voltage
· Standby current: ＜0.35mA
· Alarming current: ＜0.85mA· Protection level of casing: IP30
· Working humidity: ≤95% RH (No condensation of moisture)
· Interior key contact spot volume: DC24V/0.1A
· Bus length: ≤2000m
· Wiring system: Two-wire bus, non-polarized
· Structure: Rotary
