High Breaking Capacity MCB 6KA

The High Breaking Capacity MCB 6KA is a small circuit breaker designed to provide protection in circuits with short circuit currents up to 6000 amperes. High Breaking Capacity MCB 6KA is able to quickly cut off the power supply in the event of an abnormal condition such as overload or short-circuit, thus protecting the equipment and personnel in the circuit.

Model:STM22-63

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Product Description

Model	STM22-63
Standard	IEC60898-1
Pole	1P,2P,3P,4P
Tripping Curve	B,C,D
Rated Short-circuit capacity(Icn)	3KA,4.5KA,6KA
Rated Current(In)	1,2,4,6,10,16,20,25,32,40,50,63A
Rated Voltage(Un)	AC230(240)/400(415)V
Magnetic releases	B curve: between 3In and 5 In C curve: between 5In and 10In D curve: between 10In and 14In
Electro-mechanical endurance	over 6000 cycles

Technical Parameters

 Rated current: The rated current range is usually between 1A and 63A depending on the specific model and specification.

 Rated voltage: usually 230V/400V (AC), but also available for DC circuits.

 Breaking capacity: 6000A (under certain conditions, e.g. when the short circuit current does not exceed this value).

 Mechanical life: usually up to 20,000 times or more.

 Electrical life: usually ranging from thousands to tens of thousands of cycles, depending on the conditions of use and manufacturer's specifications.

Main Features

 HIGH BREAKING CAPACITY: The breaking capacity of 6KA means that this circuit breaker can effectively handle larger short circuit currents, ensuring that circuits are protected in time even under extreme conditions.

 Multiple specifications available: A variety of specifications and models of High Breaking Capacity MCB 6KA exist in the market, such as different rated currents (e.g. 1A, 2A,... 63A), different number of poles (1P, 2P, 3P, 4P), etc. to meet the needs of different circuits.

 WIDELY USED: These circuit breakers are widely used in the power distribution systems of residences, commercial buildings, industrial facilities and other places to provide protection for a variety of electrical equipment and circuits.

High Breaking Capacity MCB 6KA