Active Member
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[China]
Address: No. 25 Street , Hanghai Road, Zhengzhou,Henan,China
Contact name:Ken Chan (English)
Knkong Electric Co.,Ltd |
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630A 3.6KV metal-enclosed vacuum circuit breaker switchgear KYN28A-12 switchgear panel
Voltage: 3.6KV
Current: 630A
General
The KYN28 series of switchgear made by KNKONG-ELECTRIC has large breaking capacity and low current cut-off value VS1 (ZN63) vacuum circuit breaker (VD4 series vacuum circuit breaker produced by ABB can also be selected) as the main circuit breaker. KYN28 series switch cabinets have the advantages of advanced structure, reasonableness, compactness, superior performance, safety and reliability, etc., as well as the "five-proof" interlocking function.
Technical data
| No. | Item | Unit | Parameter | ||
| 1 | Rated voltage | kV | 3.6~24 | ||
| 2 | Rated frequency | Hz | 50/60 | ||
| 3 | Rated current | A | 630,1250,1600,2000,2500,3150,4000 | ||
| 4 | Branch busbar Rated current | 630,1250,1600,2000,2500,3150,4000 | |||
| 5 | The main busbar Rated current | 630,1250,1600,2000,2500,3150,4000 | |||
| 6 | 1min Power frequency withstand voltage | wet | KV | 38 | 50/60 |
| dry | 48 | 60/65 | |||
| 7 | Lightning impulse withstand voltage | kV | 75 | 95/125 | |
| 8 | Rated short circuit breaking current (peak) | KA | 40/50/63/80/100 | ||
| 9 | Short-time withstand current(4s) | 20/25/31.5/40 | |||
| 10 | Protection type | IP4X for housing | |||
