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Scope of application

TXL7-63 Miniature Circuit Breaker (10KA Miniature Circuit Breaker), mainly used for protection distribution lines of AC 50Hz / 60Hz, rated voltage of 110V, 230V(220V), 400V (380V), rated current of 1A, 3A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 60A and 63A, rated short-circuit breaking capacity is 10KA or below, and used for the lines of not frequent making, breaking and conversion, with overload, short circuit protection. At the same time, the 10KA MCB has a strong auxiliary function modules, such as auxiliary contacts, indication contacts with alarm, shunt release, undervoltage release remote trip control and other modules.
TXL7-63 Miniature Circuit Breaker (10KA MCB) complies with standards of GB10963.1, IEC60898-1 standard.

Main Technical Parameters

Rated Current6A,10A,16A,25A,32A,40A,50A,63A
Rated Voltage Ue230V/400V
Rated Impulse Withstand Voltage(1.2/50)Uimp6kV
Dielectric Test Voltage At And Ind . Freq . For 1min2kV
Protection ClassIP20
Thermo - Magnetic Release CharacteristicB-Curve (3-5In),C-Curve (5-10In),D-Curve (10-14In)
Electrical Life2000
Mechanical Life10000
Reference Temperature For Setting Of Thermal Element35℃
Ambient Temperature-5~+40℃
Terminal Connection TypePhillips Screws
Adapter Cable6-63A 1-25mm² 16-3AWG
Tightening Torque3.0N.M
Combination With Accessories Auxillary Contact
Auxillary ContactYes
Alarm ContactYes
Shunt ReleaseYes
Under Voltage ReleaseYes

Tripping Characteristic Curve -- B C D Type

Temperature compensation

When the ambient temperature is not a benchmark of 30 degrees , the reference correction factor is as folows .

Ambient Temperature-20℃-10℃0℃10℃20℃30℃40℃50℃60℃
Current Correction Coefficient1.


Rated CurrentMinimum Adapter Copper Wire
6A1 MM² / 17AWG
10A1.5 MM² / 16AWG
16A1.5 MM² / 16AWG
25A2.5 MM² / 13AWG
32A4 MM² / 11AWG
40A6 MM² / 10AWG
50A10 MM² / 7AWG
63A10 MM² / 7AWG

Mounting Method

Th35-7.5 type steel mounting rail is used for installation.

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