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Emergency off
A-83
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Extended rotary handle
A-84
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Failsafe remote tripping
A-83
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Manual toggle control
A-89
This is the standard control mechanism for the circuit breaker, with a toggle that can
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MCC rotary handle
A-84
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Motor mechanismmodule
A-82
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Cascading
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possible to install downstream circuit breakers with breaking capacities less than the
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Current discrimination
Discrimination based on the difference between the current-protection settings of the
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Discrimination
A-8
Discrimination is ensured between upstream and downstream circuit breakers if,
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Energy discrimination
A-8
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Partial discrimination
A-8
Discrimination is partial if the conditions for total discrimination are not met up to the
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Time discrimination
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Total discrimination
A-8
Total discrimination is ensured between upstream and downstream circuit breakers
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Zone selective interlocking
(ZSI)
A-18
A number of circuit breakers with Micrologic electronic trip units are interconnected
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Glossary
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