63 amp 2 pole Miniature Circuit Breaker

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$68.69

Small-size miniature circuit breaker features a 63 amp current rating, 2 pole, 6 kA rated short-circuit breaking capacity, DIN rail mounting, and C curve trip characteristic. Mini MCB is suitable for protecting electrical equipment from overload and short circuits.

SKU: ATO-MCB-2P63

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Overview
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Double pole miniature circuit breaker (MCB) is known for its compact structure, reliable performance, high interrupting capacity, and small size, making it an ideal choice for protecting electrical circuits. This 63 amp mini circuit breaker is widely used as a short circuit and overload protector in a variety of applications across industrial, commercial, and residential areas.

Double Pole MCB Breaker Information

Rated Current: 63 amp
Rated Voltage: 230/400V AC, 50Hz
Number of poles: 2 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-NB8-632PC63
Rated Current		63A
Rated Voltage		230/400V
Frequency		50Hz
Number of Poles		2P
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

Double Pole MCB Breaker Dimensions (Unit: mm)

63 amp 2 pole Miniature Circuit Breaker Dimensions

Details

2 pole Miniature Circuit Breaker Details

Tips: Types of low-voltage circuit breakers
The low-voltage circuit breaker is also named the automatic air switch. It is mainly used as the power switch in the low-voltage distributing line or switch cabinet (box) not operated frequently and can be used to control the motor not started frequently. When there is any serious overcurrent, overload, short circuit, phase loss, electricity leakage, or other faults, it can cut off the power supply automatically and play the role of protection.

Air circuit breaker in frame type (conventional)-ACB
All components of ACB are installed in one insulated metal frame. It is normally the open type. It can be equipped with several accessories, so the exchange of contact terminal and components are rather convenient. It is mostly used for the main switch of the power terminal.
Molded case circuit breaker-MCCB
MCCB can cut off the current automatically when the current exceeds the current tripping setting. MCCB usually includes the thermomagnetic tripping unit. However, the large-size MCCB will be equipped with a solid tripping sensor. It is appropriate for being the protective switch of the branch.
Miniature circuit breaker-MCB
MCB is a kind of terminal protective equipment that is mostly extensively used in the power distribution unit of the architecture electric terminal. It is used for the single-phase, three-phase short circuit, overload, and over-pressure protections below 125A, including the single pole (1P), double pole (2P), 3 pole (3P) and 4 pole (4P).

Types of Circuit Breakers

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 2 pole Miniature Circuit Breaker

I am happy with this purchase.

I got one of this 2 pole miniature circuit breaker to disconnect the solar panels from the controller and to protect the whole system. This is working well. Very easy now to turn power on and off to the charge controller. I am happy with this purchase.

From: Jonathan | Date: 20/05/2022

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