MasterPact™ M/MP/MC Circuit Breaker Control Units

note

MasterPact M/MP/MC circuit breakers and related accessories are obsolete. Use MasterPact NT/NW for new applications. See Digest Section 7. Limited service stock is available for replacement or fill purposes. Contact the nearest sales office for product availability.

Control Units

Control Unit	Ground-Fault Protection ^[1]	Without Ground-Fault Protection ^[1]
STR 58U (long-time, short-time and instantaneous protection)
STR58U (long-time = 0.4x1 sensor rating)	Includes Residual Type T — and Ammeter — I
—	External neutral sensor (TCE) ^[2]– see MasterPact M/MP/MC Circuit Breaker Accessories
—	M10H2	M10H2NG
—	M16H2	M16H2NG
—	M20H2	M20H2NG
—	M25H2	M25H2NG
—	M32H2	M32H2NG
—	M63H2	M63H2NG

Footnotes

External neutral sensor not included.
External AD module (see MasterPact™ M/MP/MC Circuit Breaker Accessories) is required if load is below 20% or if setting is red zone.

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