HD912-2_W3HD912-2_W3
HD912-4

4 Wire Heat Alarm


Specification

Parameter Description
2/4Wire 4Wire
Voltage DC 12/24V
Standby Current (Max.) 45μA
Alarm Current (Max.) 30mA
Surge Current (Max.) 100μA
Star-Up Time (Max.) 30 Seconds
Frequency 1- 3 Seconds
Alarm Contact Form A
Base Model P/N854001
Response Temperature Fixed Temperature: 57°C (135°F)
Rate-of-Rise: CLASS 2 (EN54-5); or 8°C/Min (UL521)
Ceiling Spacing 50 Foot Rating for Heat Sensor
Reset Voltage Less Than 1 Volt
Alarm Indicator LED Continuously Emitting Red Light
Remote Output 25 mA Max., Diode Gate
Temperature Range -10°C to 50°C
Permissible Current 80mA Max.
Humidity 0 to 95% RH, No Condensation or Icing
Alarm Contact NO or NC Operation, Form A: 1.0A@30VDC/0.5A@125VAC
Dimensions 100mm (dia) x 46mm (ht) With Base
Weight 120g/Set With Base

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