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QM2-125 mcb miniature circuit breaker

Descrição

QM2-125 mcb miniature circuit breaker

Technical Data

QM2-125 mcb miniature circuit breaker

QM2-125 mcb miniature circuit breaker


Electrical Features

Rated current In63,80,100,125A
Poles1P,1P+N,2P,3P,3P+N,4P
Rated voltage Ue240/415V
Insulation voltage Ui500V
Rated frequency50/60Hz
Rated breaking capacity10,000A
Energy limiting class3
Rated impulse withstand voltage(1.5/50) Uimp4,000V
Dielectric test voltage at ind. Freq. for 1 min2kV
Pollution degree2
Thermo-magnetic release characteristic8-12In


Mechanical Features

Electrical life4,000 Cycles
Mechanical life10,000 Cycles
Contact position indicatorYes
Protection degreeIP20
Reference temperature for setting of thermal element30℃
Ambient temperature (with daily average≤35℃)-5℃~+40℃
Storage temperature-25℃~+70℃


Installation

Terminal connection typeCable/Pin-type busbar
Terminal size top/bottom for cable50mm2  18-2AWG
Terminal size top/bottom for busbar50mm2  18-2AWG
Tightening torque3.5Nm 30In-Ibs
MountingOn DIN rail EN 60715 (35mm) by means of fast clip device
ConnectionPower supply in both directions


Combination with accessories

Auxiliary contactQM2-OF
Alarm contactQM2-FB
Shunt releaseQM2-MX
Over/Under voltage releaseQM2-MV+MN


MCB Characteristics

Characteristics Curves


QM2-125 mcb miniature circuit breaker

Circuit Diagram


QM2-125 mcb miniature circuit breaker

Overall and Installation Dimension(mm)


QM2-125 mcb miniature circuit breaker