single phase power supply lightning protection module HD-PMT1-35/260

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Details

The HD-PMT1 is a Class I lightning surge protector for main power distribution systems. It has the advantages of strong lightning withstand capability up to 35KA (Iimp), low voltage protection level (≤ 2.5KV), extremely low failure rate, no leakage current, strong interrupted flow capability (25KA), and no electric arc leakage.It can be combined into 2P, 3P, 4P structure and is suitable for TT/TN/IT grid type. It is the best choice for lightning protection at the primary distribution panel, the main distribution cabinet, and the main switch.




Model

HD-PMT1-35/260

Number of modules

2

3

4

Suitable power grid type

TT/TN-S/TN-C-S

TN-C-IT

TT/TN-S/TN-C-S

Nominal voltage Un

220V

Maximum continuous working voltage Uc

260V

Voltage protection level Up

2.5KV

Maximum discharging current Imax8/20μs

100KA

Impact current Iimp

35KA

Short-circuit withstand current

25KA

Response time Ta

100ns

Pre-fuse

125A

Leakage current

<5uA

Connecting wire diameter

6mm2

Operating temperature

-40 to +70

Humidity

95%

Altitude

2000m

Protection degree

IP20

Flame retardant level UL94

V0

Installation

Clip on 35mm electrical guideway

Protection mode

L/N-PE

3L-N/PE3L-PE

3L/N-PE

External dimension

72*90*65mm

108*90*65mm

144*90*65mm


Ground the null line repeatedly when Long-distance overhead incoming lines enter buildings.

Plug the power phase line (L) and null line (Ninto corresponding connector of the electric surge protector and make sure it's firm and reliable. Connect the ground terminal of arrester with the ground lead of lightning protection well (recommended earth resistance 4Ω).

Suggested specification of the lead wire: no less than 6mm2, short and straight.



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