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DCH-1 a reclosing device (hereinafter referred to as the device) for three-phase transmission lines on a reclosing of wiring, as its main part.
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2 main technical parameters
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The rated current of the circuit breaker closing coil contact（A）
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3-7.5
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1.2-3
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0.3-0.6
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Device current rating（A）
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2.5
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1
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0.25
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DC rated voltage: 220V, 100V.
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Intermediate element current winding ZJ (1) rated protective current (rated current of the device) is 0.25A, 0.5A, 1A, 2.5A.
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At the rated current, the power consumption of the middle element current winding ZJ (1) is no more than 1W;
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The delay adjustment range of the time element is 0.25-5s.
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The time element of the coil in series with an additional resistor should be able to withstand 110% of the rated voltage for a long time.
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All the circuits of the device should be tolerant to the insulation of the housing, and the 50Hz of the 2000V AC voltage lasted for the 1min test..
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3 internal wiring
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4 shape and opening hole size
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The relay with A32K shell, dimensions, installation of open hole pattern.
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