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Highly effective touch protection against accidental contact . Ergonomically designed,...

Line & Load Interchangeability
Superior Air Circulation & Hammer Trip Mechanism

Longer Electrical Life
High Speed & High Breaking Capacity Mechanism

Large Dolly
Large Terminal Screws

Bi-Connect Terminals
Positive Isolation


Enhanced Protection & Reliability
Ensuring Safe & Efficient Circuit Operation

Padlocking Facility
Low watt loss-almost 50% of the values prescribed by IS/IEC

SDB Technology
Upside Down Mounting Capability & Heat Dissipating Channel for Superior

Sliding shutters
Sliding bottom clamp


Trip free mechanism
Design based on advanced current limiting hammer trip mechanism

IS and CE marking
20000 operations on rated load

Ease, Speed & Flexibility of Installation Biconnect, Line-Load Reversible
Higher Installation Life: Energy Limitation Class 3, Fast Closure Mechanism


63 Amp Four-pole Circuit Breaker
10kA High Breaking Capacity


Line Load Reversibility
Energy Limitation Class 3


Precise hammer action
Safety Terminals

Low power consumption
Precise hammer action

Every device is provided with a dual position DIN rail
Padlocking Facility




Air Circulation Channel
Two Stage easy snapping device for Din Rail Mounting

Large Dolly
Large Terminal Screws

Integrated Label Channel Holder
Two Stage easy snapping device for Din Rail Mounting


Integrated Label Channel Holder
Large Dolly

Air Circulation Channel
Large Terminal Screws

Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(10-20)ln

Magnetic Release Setting:(3-5)ln
AC MCB


Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(3-5)ln




Electrical/Mechanical Life:10,000 Cycles
Magnetic Release Setting:(10-20)ln

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What is a 63 Amp MCB?
A 63 Amp Miniature Circuit Breaker (MCB) is an electrical safety device designed to protect electrical circuits from damage caused by overcurrent or short circuits. It automatically interrupts the flow of electricity when the current exceeds a safe level of 63 amps.
What type of circuits is a 63 Amp MCB typically used for?
A 63 Amp MCB is generally used for higher-load circuits, such as those powering main distribution boards, electric ovens, large air conditioning units, or industrial machinery, where a significant amount of current is required.
How does a 63 Amp MCB protect against overloads and short circuits?
It uses a combination of thermal and magnetic mechanisms. A bimetallic strip heats up and bends due to sustained overcurrent (thermal protection), while an electromagnet reacts instantly to very high currents during a short circuit (magnetic protection), tripping the breaker.
What are the advantages of using a 63 Amp MCB?
Advantages include reliable protection against electrical faults, ease of resetting after a trip (unlike fuses), and enhanced safety by preventing overheating and potential fires. They also provide a clear indication of a tripped circuit.
Is a 63 Amp MCB suitable for domestic use?
While a 63 Amp MCB can be used in domestic settings, its typically for high-demand circuits, such as the main incomer to a consumer unit or dedicated circuits for high-power appliances. Standard lighting and socket circuits usually require lower-rated MCBs.