4- wire control signal surge protection device

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4- wire control signal surge protection device
Posting date : Mar 30, 2012
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84-
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DC-C/4 Series Application range DC-C series control signal lightning protection device are applicable to the front side of the control signal system equipment providing protection against the overvoltage arising from lightning to the control signal wire or misoperation option from standard IEC61643 21 and GB50343 Main features ☆ High current capacity, low residual voltage ☆ Introducing multilayer protection technology strong protection ability high reliable performance ☆ Build in earthing terminal, strong wiring ability, more reliable grounding. ☆ Modularization design, wiring terminal connection, convenient for installation and replacement. ☆ Protect two pairs of data line meanwhile and space saving Main technical data Type DC-5C/4 DC-12C/4 DC-24C/4 DC-48C/4 Rated working voltage Un V 5 12 24 48 Max. continuous AC Voltage Uc V 8 18 36 75 Voltage protection level Up KV <50 <50 <80 <150 Norminal discharge current In (8/20μs) kA 5 Connection mode wiring terminal Transmission rate Vs(bit/s) 2M Insertion loss dB ≤0.3 Enclosure material enhanced flame retardant nylon (flame retardancy:V0) Installation pattern 35mmstandard DIN rail installment Cross-sectional area ≥ 1 mm 2 stranded/flexible Installation instruction 1. The protector connected in serial between the signal channel and the protected device. 2 Connect the input terminal to the signal channel, and the output terminal to the protected device, reverse connection prohibited. 3 Connect the earthing wire of the protector to the equalizing ring of the lightning protection system. 4. Invalid system the earthing short circuit or open circuit.

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