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FDTD400
Differential heat detectors control the temperature increase inside the area where they are installed. A micro controller analyses and compares the signal received from a precision heat detector of the NTC type, and activates the alarm if temperature increases by over 5°C per minute
Supply voltage: 20 Vdc (modulated voltage from -15% to + 10%)
Average absorption at rest: 40 μA @ 20 Vdc
Alarm absorption: 23 mA @ 20 Vdc
Static alarm threshold: 58° C ± 5%
3-colour LED: red alarm - green normal operation - green flashing with a sequence of yellow
flashing system malfunction.
Max relative humidity: 93%
Operating temperature: -10° ÷ +55° C
Material: ABS V0
Weight: 70 g
Dimensions: ø 90 x 40 (H) mm
Certified EN54 part 5 Class A1R, No. 1293-CPD-0180
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