KYN28A-24 armored remove AC metal-enclosed switchgear is applied to three-phase AC 50 Hz, 24KV single bus-bar and single bus-bar section syetem, mainly used in small power plants industrial and mining enterprises as well as the secondary power system and distribution substations, etc, by the power, and circuit implementation of control, protection and monitoring.
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Rated voltage |
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Rated dynamic stability current |
40-125 KA |
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12 KV |
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Power frequencywithstand voltage |
42 KV/1 min |
Rated short-circuit breaking current |
16-50 KA |
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Rated short-circuit making and breaking current |
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Impulse withstand voltage |
75 KV |
40-125 KA |
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Rated voltage of opening/closing and auxiliary circuit |
DC 24 30 48 60 110 220V |
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Rated frequency |
50 Hz |
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AC 110 220V |
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Outline size (W×D×H) |
800 1000×1500 1660×2300mm |
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Protection level |
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Rated current |
630-4000 A |
IP4X (Enclosure) |
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Rated thermal stability current |
6-50 KA/4S |
IP2X (The circuit breaker door opens) |
