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winding type ct |
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voltage transformer (vt) potention transformer (pt) |
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under voltage relay |
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transformer differential relay |
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time over current relay |
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time delay relay |
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thermostat, thermal switch |
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thermometer |
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synchronizising relay |
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synchro switch |
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synchro scope |
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synchro check relay |
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sudden pressure relay |
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selector switch |
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rotary switch |
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Radiator, cooler |
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protective relay |
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pressure switch |
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pressure gause |
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power transformer |
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