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What handle lock-offs are available for the breakers in the old NH1B panel?

Issue:
Selection of circuit breaker handle lock-offs for breakers in an obsolete NH1B panelboard.

Product Line:
Obsolete NH1B panelboards.

Environment:
Obsolete NH1B circuit breaker panelboards sold and supported in the USA.

Cause:
Availability of breaker handle lock-offs for the obsolete NH1B panelboard.

Resolution:
The NH1B panel used the I-line breakers. Refer to the Supplemental and Obsolescence Catalog for the list of handle accessories for the I-line breakers.











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