SPD Secondary power surge protector STW-C40
Please note that not all our products are kept in stock at our Boksburg branch; however, rest assured, all orders will be fulfilled within 2–5 working days.
Application
STW-C40 series SPD secondary power surge protectors are designed according to IEC and GB standards. The products with powerful surge release capability, each of the maximum discharge current of 10~80kA (8/20us), applicable to low-voltage distribution system protection at all levels, according to different distribution systems (TT/TN/IT) can choose a variety of combinations.
Parameter
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Type |
STW-C40 |
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Protection level B, C, D Grade |
D, C, B |
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Rated Operating Voltage Un(V) |
380V/220V |
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Max continuous operating voltage Uc/V |
275V |
320V |
385V |
385V |
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Voltage protection level up (KV) |
≤ 1.0 |
≤ 1.2 |
≤ 1.8 |
≤ 2.0 |
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Maximum discharge current Imax(8/20us) KA |
5 |
10 |
20 |
30 |
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Response times |
≤ 25 |
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Test Standard |
IEC61643.1, GB18802.1 |
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Operating Environment |
-40 degree to + 85 degree |
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Max Connection Line |
35mm2 hard wire/35mm2 strand wire copper line |
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Recommended Connection line |
16mm2 hard wire/25mm2 strand wire copper line |
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Keyword |
ac surge protection device |
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