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H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01H
ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
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33/00
High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
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H01H33/02
Details
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H01H33/04
Means for extinguishing or preventing arc between current-carrying parts
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H01H33/12
Auxiliary contacts on to which the arc is transferred from the main contacts
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H01H33/121
Load break switches
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H01H33/125
comprising a separate circuit breaker
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H01H33/128
being operated by a separate mechanism interlocked with the sectionalising mechanism
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