- UL Listed.
- The standard detector is 2-wire or 3-wire with base.
- For 4-wire type just add one relay output module on 3-wire base. Simple and easy module placement enables wider application.
- Twin-color LED display enables viewer to easily identify the current status of detector.
- Contacts material is highly acid-resistant and rust-resistant.
- Detector is made of high endurance, solid and colorfast Fire-proof plastic.
- Non-loosening screws on base terminal for easy installation.
- Detector has passed strict EMC test, which greatly eliminates false alarms caused by interference from nearby sources.
AH-0621 UL Listed Photoelectric Smoke Detector
Model AH-0621-2 AH-0621-3 AH-0621-4 Alarm Contact N/A N/A 0.8A @30V DC, 0.4A@125V AC Voltage Range 12 ~ 30V DC Alarm Current @24V DC 470Ω 50mA 59mA 45mA Standby Current @24V DC 470Ω 140μA 25 ~ 75μA Sensitivity Setting Comply to UL 268 Ambient Temperature 0℃ ~ +37.8℃ Material Fire-proof plastic Dimensions 102mm(Dia.) x 48mm(H) Weight 130g 130g 145g Color White
Effective Alert Area
Building Height Area Covered Under 4M 150 M2 4 ~ 20M 75 M2
AH-0621-2 2-wire AH-0621-3 3-wire with remote indicator output AH-0621-4 4-wire with relay output