Electrical fire detectors (many in one area)
Main functional features
Main technical parameters
Working voltage: AC220V
Working current: AC10mA
Rated operating current: can be set at any level between 50mA and 1000mA
Rated operating temperature: between 0 ℃ and 140 ℃
Rated non operating current: 50% of rated operating current
Over line voltage: 660VAC for Xiaoyu
Rated frequency for wire crossing: controlled at 50Hz/60Hz
Response time: less than 3 seconds
Running light: green, lit up during normal operation
Alarm light: red, extinguished during normal operation, illuminated during alarm
Fault light: yellow, goes out normally, lights up when the transformer fails
Mute light: green, lit in mute state
Start light: red, the light is on when the output starts
Operating environment temperature: between -10 ℃ and+50 ℃
Relative humidity less than 95%, no condensation
Altitude below 5000m
Shell protection level: IP20
Wire system: communication two bus
Capacity: Can connect 8 current transformers DDH5258, 8 temperature sensors DDH5275 or 16 current transformers (optional), 2 passive control outputs
Contact capacity: AC250V/3A,DC30V/3A
Encoding method: electronic encoding (1-255)
Digital bus communication, short alarm response time
The encoding address and residual current alarm value can be set on site for flexible application
The detector can be set up on site for easy debugging
Detector signal open circuit, short circuit detection and on-site testing, high detection intelligence
The detector can detect residual current and fault alarm detection, with powerful functions



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Leakage current transformer H225A
Leakage current transformer H400A
Leakage current transformer H630A
Leakage current transformer H800A
Leakage current transformer H1250A
Leakage current transformer H2500A
Leakage current transformer H4500A
Leakage current transformer H8000A
HLDF-H63-100A
HLDF-H125-200A
HLDF-H225A
HLDF-H400A
HLDF-H630A
HLDF-Y63A
HLDF-Y100A
HLDF-Y225A
HLDF-Y400A
HLDF-100E-100A
HLDF-100E-225A
HLDF-1L
HLDF-4W
HLDF-8L
HLDF-108H
HLDF-108EK
HLDF-107EK
HLDF-107H
HLDF-107D
HLDF-63A-2P
HLDF-3000
HLDF-C65-2P
HLDF-C65-4P
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