MUTAI CMTB1-63H 1P Mini MCB Miniature Circuit Breaker

Short Description:

CMTB1-63 miniature circuit breaker has the function of short circuit and overload protection, it  can used as an unfrequent transfer and conversion of power system.It conforms with standard IEC/EN60898-1.

CMTB1-63 MCB is suitable for 50/60Hz AC, Rated voltage 230V/240V/400V/415V, Rated current 63A and below.

Product Detail

Product Tags

Product Details

CMTB1-63 miniature circuit breaker can protect the device from short circuit and overload protection,also can used as an unfrequent transfer and conversion of power system. The MCB is structure advanced, performance reliable, high breaking capacity, appearance elegant etc. The shell and parts are made of material with impact resistance, strong flame-retardant feature.

The MCBs are available in single-pole, double-pole, and three-pole configurations, with each pole capable of protecting a separate circuit.

Product name MCB Miniature Circuit Breaker
Model NO. CMTB1-63 1P
Standard  IEC60898-1
Certificate CE
Rated current In (A) 1/2/3/4/5/6/8/10/13/16/20/25/32/40/50/63A
Poles 1P
Rated voltage Ue (V) 230/240/400/415V
Rated frequency AC 50/60Hz
Rated short circuit capacity Icn 6000A
Rated impulse withstand voltage Uimp 4000V
Ambient temperature -20℃~+40℃
Type of instantaneous release C D
Color White + grey
Service OEM & ODM


C63 1P
C63 2P
C63 3P
C63 4P


The MCB Miniature circuit breakers are professional & widely used in building, residence, industrial applications , electric power transmission.



1.Protection of short circuit current and overload current
2.High breaking capacity and Quick tripping
3.Compact size: MCBs are designed to be small and compact, making them easy to install and fit into electrical panels and distribution boards.



12 pcs per inner box, 240 pcs per outer box .
Dimension per outer box: 41*21.5*41.5 cm

Q & C

With ISO 9001, ISO14001 management system certificates, the products are qualified by international certificates CCC, CE, CB.

Main Market

Middle East, Africa, South East Asia, South America, Russia ...etc

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