63 amp 4 pole Miniature Circuit Breaker

5 out of 5 based on 2 reviews | Write a review

$93.85

MCB miniature circuit breaker with 4-pole, 63 amp, provides reliable protection for electrical systems, breaking capacity of 6kA at 230/400V AC voltage. This C63 mini circuit breaker ensures effective interruption of fault currents, offering enhanced safety for electrical installations.

SKU: ATO-MCB-4P63

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Overview
Related Video

4 pole C63 MCB miniature circuit breaker has a C curve trip characteristic making it suitable for a wide range of applications, including those with moderate inrush currents, such as motors and lighting systems.

4 Pole MCB Breaker Information

Rated Current: 63 amp
Rated Voltage: 230/400V AC, 50Hz
Number of poles: 4 pole
6 kA rated short-circuit breaking capacity
Compliant with IEC standard
C curve trip characteristic
With overload protection and short circuit protection function

Technical Data

Model		ATO-NB8-634PC63
Rated Current		63A
Rated Voltage		230/400V
Frequency		50Hz
Number of Poles		4P
Mechanical Life		20000 Times
Electrical Life		10000 Times
Rated Short-Circuit Breaking Capacity		6000A
Operating Short-Circuit Breaking Capacity		6000A
Rated Impulse Withstand Voltage (1.2/50)		6kV
Dielectric Test Voltage		2000V (50Hz, 1 min)
Heat & Humidity Resistance		28 Cycles
Vibration Resistance		No Obvious Vibration and Impact
Terminal Block	Terminal Block Type	Pillar Terminal Block
	Min. Terminal Size Acceptability	1mm²
	Max. Terminal Size Acceptability	25mm²
	Standard Connection Torque	2 N.m
	Max. Tolerable Torque	2.5 N.m
	Wire Insertion Depth	13mm
Reference Temperature		30℃
Operating Temperature		-35℃~+70℃
Storage Temperature		35℃~+85℃
Applicable Altitude		2000m
Tripping Mode		Thermal Magnetic Trip
Electromagnetic Tripping Type		Type C (5In-10In)
Shell Flame Retardant Grade		V0
Wire Entry Method		Both Upper and Lower
Installation Method		TH35-7.5 Standard Rail
Protection Level	Direct Installation	IP20B
	Installed in the Distribution Box	IP40B

4 Pole MCB Breaker Dimensions (Unit: mm)

Details

Tips: 63 amp 4 pole miniature circuit breaker applications

A 63-amp, 4 pole miniature circuit breaker (MCB) is commonly used in electrical distribution systems to protect electrical circuits from overloads and short circuits. The 4 pole mini circuit breaker is designed for three-phase electrical systems, allowing for protection across all three phases and neutral, which is especially beneficial in industrial, commercial, and large residential setups.

Applications include:

Industrial Equipment: Protecting motors, transformers, and other industrial machinery.
Commercial Buildings: Ensuring safe operation of three-phase electrical systems in offices, malls, and warehouses.
HVAC Systems: Offering protection to heating, ventilation, and air conditioning systems in large buildings.
Renewable Energy Systems: Used in solar inverters and other energy conversion systems to safeguard circuits.
Data Centers: Providing backup power protection for sensitive equipment in critical environments.

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In this video, we'll take a closer look at the meaning behind these abbreviations and explain the types of circuit breakers they represent. By understanding the different types of circuit breakers on the market, you can make an informed decision and choose the right type for your specific requirements, thereby enhancing the protection of your electrical infrastructure.

Isolator vs Circuit Breaker

Although isolators and circuit breakers have similar functions in a circuit, they are two separate entities. This video explains you the difference between the two devices in terms of working, features, operation, affordability, etc. You can choose between them based on your specific requirements.

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Existing reviews of 63 amp 4 pole Miniature Circuit Breaker

Good so far.

This miniature circuit breaker protects my solar controller from damage by disconnecting solar power panel until battery connection is made. Good so far. I will buy this MCB again.

From: Juan | Date: 30/10/2022

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I am happy with this order.

It is a nice 63 amp 4 pole miniature circuit breaker and it works as designed. I used it as a part of the solar charging system that I built into my RV. Everything works great. I am happy with this order.

From: Maria | Date: 28/06/2022

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