L7-63 Miniature Circuit Breaker

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Product Description

Scope of application

XUCKY Electric brand's L7-63 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. L7-63 Miniature Circuit Breaker (10KA MCB) complies with standards of GB10963.1, IEC60898-1 standard.

Main Technical Parameters

Rated Current	6A,10A,16A,25A,32A,40A,50A,63A
Poles	1P,2P,3P,4P
Rated Voltage Ue	230V/400V
Rated Impulse Withstand Voltage(1.2/50)Uimp	6kV
Dielectric Test Voltage At And Ind . Freq . For 1min	2kV
Protection Class	IP20
Thermo - Magnetic Release Characteristic	B-Curve (3-5In),C-Curve (5-10In),D-Curve (10-14In)
Electrical Life	2000
Mechanical Life	10000
Reference Temperature For Setting Of Thermal Element	35℃
Ambient Temperature	-5~+40℃
Terminal Connection Type	Phillips Screws
Adapter Cable	6-63A 1-25mm² 16-3AWG
Tightening Torque	3.0N.M
Combination With Accessories Auxillary Contact
Auxillary Contact	Yes
Alarm Contact	Yes
Shunt Release	Yes
Under Voltage Release	Yes

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 Coefficient	1.25	1.2	1.15	1.10	1.05	1.00	0.95	0.90	0.85

Connection

Rated Current	Minimum Adapter Copper Wire
6A	1 MM² / 17AWG
10A	1.5 MM² / 16AWG
16A	1.5 MM² / 16AWG
25A	2.5 MM² / 13AWG
32A	4 MM² / 11AWG

40A	6 MM² / 10AWG
50A	10 MM² / 7AWG
63A	10 MM² / 7AWG