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50 amp 2 pole Miniature Circuit Breaker

5 out of 5 based on 1 reviews | Write a review
$68.69
50 amp 2 pole miniature circuit breaker for sale, compliant with IEC standards, with short circuit, overload, and power failure protection. This double pole mini MCB is designed for supplementary protection against short circuits and overloads in commercial and industrial applications.
SKU: ATO-MCB-2P50
30-day Returns
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Delivery date: 6-12 days

50 amp double pole miniature circuit breaker (MCB) compliant with IEC standards, providing reliable protection against short circuits, overloads, and power failures. This mini circuit breaker is ideal for supplementary protection in commercial and industrial settings, ensuring enhanced safety and performance.

Double Pole MCB Breaker Features

  • Rapid arc extinguishing system: This double pole mini circuit breaker eliminates line danger, can sense even small currents, and provides sensitive protection.
  • Thermosetting shell: 2 pole MCB breaker uses thermosetting plastic, which solidifies or has insoluble characteristics under heat or other conditions.
  • Sealed terminal: 50 amp miniature circuit breaker has a built-in sealed terminal, which is rust-proof and convenient, and meets certification standards.
  • Ergonomic handle: The handle is comfortable to operate, has high segmentation capacity, and is sensitive to action.

Technical Data

Model ATO-BY6-63-2P-50A
Number of Poles 2P
Rated Frequency 50-60Hz
Frame Grade Current 63A
Rated Current(In) 50A
Rated Insulation Voltage 400V
Rated Impulse Withstand Voltage (Uimp) 4000KV
Rated Short-circuit Capacity(Inc) 3000-6000KA
Producible Leakage Protection Type AC type
Electrical Characteristics Short Circuit Protection, Overload Protection, Power Failure Protection
Electrical Life 10000
Mechanical Life 10000
Protection Level IP20
Comply with the Standard GB/T10963.1-2020 IEC60898-1


Double Pole MCB Breaker Dimensions (Unit: mm)

1 pole miniature circuit breaker dimension

Double Pole MCB Breaker Wiring

MCB miniature circuit breaker wiring

How to Choose a Miniature Circuit Breaker for Home?

Rated Current Copper Core Wire Load Power Applications
1~5A <1mm ≤1100W Low-power Equipment
6A ≥1mm ≤1320W Lighting
10A ≥1.5mm ≤2200W Lighting
16A ≥2.5mm ≤3520W Lighting, Sockets, 1~1.5 hp Air Conditioner
20A ≥2.5mm ≤4400W Lighting, Sockets, 1~1.5 hp Air Conditioner
25A ≥4mm ≤5500W Lighting, Sockets, 1~2.5 hp Air Conditioner
32A ≥6mm ≤7040W Sockets, 3 hp Air Conditioner, 6 kW Water Heater
40A ≥10mm ≤8800W 8 kW Instant Water Heater, Main Power Switch
50A ≥10mm ≤11000W Main Power Switch
63A ≥16mm ≤13200W Main Power Switch

Tips: 50 amp 2 pole miniature circuit breaker applications

A 50 amp 2 pole mini circuit breaker (MCB) is commonly used in residential, commercial, and light industrial applications to protect electrical circuits from overloads and short circuits. It is designed to handle higher current loads and simultaneously disconnect both live wires in a 240V system, ensuring safety and compliance with electrical standards.

In residential settings, it is often used for high-power appliances like electric water heaters, ovens, and air conditioning units. In commercial applications, it protects equipment such as HVAC systems, large lighting installations, and heavy-duty power tools. In light industrial environments, it safeguards machinery, motors, and small distribution boards.

The compact design of the double pole MCB allows for easy installation in standard electrical panels, making it a reliable choice for space-constrained setups. Its quick response to fault conditions helps prevent equipment damage and fire hazards, ensuring long-term operational safety and system integrity.

Existing reviews of 50 amp 2 pole Miniature Circuit Breaker
I would definitely buy this product again.
Bought 50 amp 2 pole miniature circuit breaker to isolate the solar panels from the system with doing maintenance. The small DIN rail worked perfectly for my application. I would definitely buy this product again.
From: David | Date: 24/01/2022
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