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Home » Product List » surge protective device (SPD) » Surge Protective Device - SPD (TNR-B40/4)
Product Details
Surge Protective Device - SPD (TNR-B40/4)
| Model NO.: | TNR-B40/4 |
|---|---|
| Standard: | IEC61643 |
| Productivity: | 30000 Piece/Pieces per Month |
| Trademark: | LEITAI |
| Origin: | China |
| Min. Order: | 50 Piece/Pieces |
Product Description
TNR-B,C,D series surge protector devices are applicable to A.C50-60Hz,380V or below electric equipment,TT,TN etc power supply system.Widely applicable to all kinds of power supply second grade (B grade)third grade(C grade)and subtle(D grade) overvoltage protection General installed in low voltage main distribution cabinet or low voltage general switch cabinet of building.
| type | TNR-B40/4 |
| Rated voltage(V~) | 220/380 |
| Continuous voltage (V~) | 385/420 |
| Standard discharge current(KA) | 40 |
| Max current capacity(KA) | 80 |
| Response time(ns) | < 25 |
| Connection lead cut-area(mm 2 ) | ≥25 |
| Ground wire cut-area(mm 2 ) | ≥ 35 |
| Working environment | -40-+85 |
| Relative humidity | ≤95%(25) |
| Protection level (KV) | ≤ 2.1/ ≤ 2.2 |
