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Product name:

UOTEK DC power surge protector

Model: UT-M4-40C

● Fast response time
●Built-in thermal protection
●Low residual voltage, timely tripping
●Working Environment: Temperature -40~+85℃
●Relative humidity≤95% (25℃), height≤3km
●Protection level (Up at In): 5KA≤1500V

AC power surge protectors are mainly used for C-level protection of power distribution systems. They are used to protect electrical and electronic equipment from lightning electromagnetic pulse induced voltages, operating transients and resonance (<100μs) overvoltage. They are widely used in communication equipment, electrical appliances, power equipment, security monitoring, transportation, industrial control, aviation and other fields of power protection. This series of products has the characteristics of extremely fast response time, built-in thermal protection, low residual voltage, timely tripping, etc., and the flame retardant level reaches V-0 level, which can prevent fires to the greatest extent and play a role of safety protection.

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Model UT-M4-40C
Continuous operating voltage 380VAC
Maximum continuous operating voltage 385VAC
Nominal discharge current (In) 20KA
Maximum flow capacity (Imax) 40kA
Protection level (Up is In) ≤1500V
Access wire area 6 mm
Remote Signal Definition (Optional) NC-COM: turn off, COM: common point, NO-COM: turn on
failure indication Green: Normal, Red: Failed
Response time (tA) 25ns 
Dimensions 90*36*65mm 
protection level IP20 
preposed fuse 40AgL/gG 
protection mode +/PE, -/PE 
Flame retardant level V0/red
installation method 35mm DIN rail installation
Operating environment Temperature -40+85, relative humidity≤95%(25), height≤3km