There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch. It functions as a typical annunciator sequence per Instrument Society of America
Sequence A, automatic reset, as described below:
There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch
There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch |
Place of Origin:China (Mainland) 15mm high large green LED display with alarm on/off switch ...
Come From LEO INSTRUMENTS (HK) LTD
Model Number:PST-SD202 Brand Name:PST Place of Origin:Guangdong China (Mainland) Name:Wireless Ionic Smoke Detector Model:PST-SD202 home smoke alarms,wireless smoke alarms,fire protection systems,fire equip ...
Come From Shenzhen Professional Security Technology Co., Ltd.