WS-2801 is an emergency button that adopts bus communication mode. It has convenient field wiring and can carry out two-way communication equipment; it reports alarm information to the center through RS485 bus. It can be used with AL-7480B, AL-6480C and other bus alarm systems; with bus communication protection circuit.
How to use: Press the red button, the alarm is sent to the alarm center via the bus; the alarm can be reset by using the dedicated key.
Dimensions: 8.7 x 8.7 x 3.2 cm (length x width x thickness)
Working temperature: -10℃ ∽ +50℃; 0-85% humidity
Working voltage: DC 10 ∽ 24 volts
Working current: 10 mA
Networking function: It can be used in conjunction with AL-7480B and other bus-type alarm systems