Wuxi Brightsky Electronic Co.,Ltd. 火灾报警气体灭火电气火灾监控用户信息传输装置船用压载水处理系统

SM501 Fire audible and visual alarm

Encoded, need to be used with DC24V fire alarm controller

◆ Product Features

Beautiful appearance, generous
Screw-in mounting with the base makes installation and wiring easier.
With a gradual function, sudden shocks can be avoided.
The use of front and side emitting LEDs as light sources provides a large viewing angle and long life.
With 2 alarm tones, high sound pressure level, low power consumption, and reliable operation
Encoded, need to be used with DC24V, fire alarm controller

◆ Technical specifications

Technical standard	Meet the requirements of GB 26851-2005
Operating Voltage	DC20V～26V
Monitor current	T+ 、T- ≤380uA； DC24V ≤420uA
Alarm current	T+ 、T- ≤1.5mA； DC24V ≤80mA
Sound level	75dB～100dB
Change tone cycle	0.2S～5S
Line system	Two alarm buses T+, T- (with polarity) Two power bus 24V, GND (with polarity)
Lighting frequency	1Hz to 2Hz (red light)
Alarm method	Light, sound
Operation place	Indoor type (in house)
Operating temperature	-10℃～+55℃
Relative humidity	≤90%
Dimensions	88mm×41mm×88mm（L×W×H）
Weight	About 120g(with base)

◆ Wiring diagram

Wiring diagram for SM501 Fire audible and visual alarm base

Wiring instructions
1, 3 terminal: T+, T- alarm bus (non-polarity)
2, 4 terminal: 24VDC power (with polarity)

◆ Certificate