Wenzhou Kenig Technology Co., Ltd. is a professional China W2R-4P Automatic Transfer Switch manufacturer and supplier, known for its quality service. Adhering to the pursuit of perfect quality of products, so that our W2R-4P Automatic Transfer Switch have been satisfied by many customers. In order to ensure the quality and customer needs, we have cooperated with domestic power groups with strong production strength. We will strictly screen each supplier and send videos to customers to watch.
Complies with requirements of Low-voltage Switch Gear and Control Gear specified by IEC 60947-6-1 and IEC60947-3: functional equipment and transfer switch equipment.
Rated current le A |
16、20、25、32、40、50、63 |
100 |
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Insulation voltage Ui |
AC 690V |
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Rated voltage Ue |
AC 400V |
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Grade |
Grade PC: able to male and withstand, not to break short-circuit current |
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Use category |
AC-33iB |
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Pole |
2P |
3P |
4p |
weight(kg) |
0.62 |
0.72 |
0.81 |
Life |
Electrical: 2000times; Mechanical: 5000times |
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Rated conditional short-circuit current lq |
50kA |
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SCPD (fuse) |
RT16-00-63A |
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Rated impulse withstand voltage |
8kV |
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Control circuit |
Rated control voltage Us: AC220V, 50Hz Correct working condition 85%Us~110%Us |
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Auxiliary circuit |
AC220V/AC110V 50/60Hz |
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Contact transfer time |
<50ms |
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Operating transfer time |
<50ms |
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Return transfer time |
|
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off-time |
<50ms |
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Temperature range |
-5℃~+40℃ average temperature not more than 35℃ in 24 hours |