KYN28A-12 Withdrawable Metal-clad Switchgear

KYN28A-12 Series switchgear panel is a MV air-insulated switchgear (AIS) for primary distribution, with vacuum circuit-breaker has been designed for the various operating requirements in public and industrial medium-voltage distribution systems.

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Overview


KYN28A-12 Series switchgear panel is a MV air-insulated switchgear (AIS) for primary distribution, with vacuum circuit-breaker has been designed for the various operating requirements in public and industrial medium-voltage distribution systems. This panel applies to 3.6~12kv 3 phase AC 50Hz network for receiving and distributing power energy and also for control,monitor and protection. It can be arranged for single bus, single-bus sectionalizing system. It accords to IEC62271-200 <>, IEC694<>, GB3906<<3~35KV AC Metal Enclosed Switchgear>>, DIA04<>, DIN.VDE0670<> and so on. It has perfect and reliable prevention function against false-operation.

Operating Conditions


1. Ambient temperature: -10℃ ~+40℃;

2. Altitude: 1000m;

3. Relative humidity: daily average 95%, monthly average 90%;

4. Seismic resistance: 8 magnitude.

5. Occasions without flammable and explosive matter, without corrosive chemical and frequent severe vibration, without strong shake.

Technical Specification


Item Unit Data
Rated voltage KV 3 6 7.2 12
Rated frequency Hz 50
Rated current(circuit breaker) A 630, 1250, 1600, 2000, 2500, 3150
Rated current(switchgear) A 630, 1250, 1600, 2000, 2500, 3150
Rated short-time withstand current (4s) KA 16, 20, 25, 31.5, 40, 50
Rated peak withstand current※ KA 40, 50, 63, 80, 100, 125
Rated short-circuit breaking current KA 16, 20, 25, 31.5, 40, 50
Rated short-circuit making current※ KA 40, 50, 63, 80, 100, 125
Rated insulation level 1min.P.F. withstand voltage (phases to ground/gaps) KV 24/32/42
Lightning impulse withstand voltage (phases to ground/gaps) KV 40/60/75
Protection class Enclosure: IP4X, IP2X (VCB Door opened)
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