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DZ47-63s mcb miniature circuit breaker

Tripping characteristics

Based on the Tripping Characteristics, MCB are available in"B", "C"and"D"curve to suit different types of applications.

"B"Curve for protection of electrical circuits with equipment that does not cause surge current (lighting and distribution circuits) Short circuit release is set to (3-5)In.

description

DZ47-63s mcb miniature circuit breaker


Electrical Features

Rated current In1, 2, 3, 4, 5, 6, 8, 10, 13, 16, 20, 25, 32, 40, 50, 63A
Poles1P, 1P+N, 2P, 3P, 3P+N, 4P
Rated voltage Ue240/415V
Insulation voltage Ui500V
Rated frequency50/60Hz
Rated breaking capacity4,500A
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 characteristicB, C, D


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 cable25mm2 18-3AWG
Terminal size top/bottom for busbar25mm2 18-3AWG
Tightening torque2.5Nm  22In-Ibs
MountingOn DIN rail EN 60715 (35mm) by means of fast clip device
ConnectionPower supply in both directions


Combination with accessories

Auxiliary contactDZ47-OF
Alarm contactDZ47-FB
Shunt releaseDZ47-MX
Over/Under voltage releaseDZ47-MV+MN


MCB Characteristics
Characteristics Curves


DZ47-63s mcb miniature circuit breaker


Tripping characteristics

Based on the Tripping Characteristics, MCB are available in"B", "C"and"D"curve to suit different types of applications.

"B"Curve for protection of electrical circuits with equipment that does not cause surge current (lighting and distribution circuits) Short circuit release is set to (3-5)In.

"C"Curve for protection of electrical circuits with equipment that cause surge current (inductive loads and motor circuits) Short circuit release is set to (5-10)In.

"D"Curve for protection of electrical circuits with cause high inrush current , typically 12-15 times the thermal rated current (transformers, x-ray machines etc, )Short circuit release is set to (10-20)In.


Circuit Diagram


DZ47-63s mcb miniature circuit breaker


Overall and Installation Dimension(mm)


DZ47-63s mcb miniature circuit breaker