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10 amp 4 pole Miniature Circuit Breaker

5 out of 5 based on 3 reviews | Write a review
$79.29
10 amp 4 pole mini circuit breaker (MCB) is designed to provide supplementary protection for electrical circuits. This miniature circuit breaker has a short circuit breaking capacity of 6 kA at 230/400V AC, ensuring reliable protection against overcurrents and faults.
SKU: ATO-MCB-4P10
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Delivery date: 6-12 days

4 pole mini circuit breaker (MCB) with a rated current of 10 amp is ideal for use in low voltage distribution systems. This miniature circuit breaker features a short circuit breaking capacity of 6 kA at 230/400V AC, ensuring that the breaker can quickly and effectively interrupt high fault currents, preventing potential fire hazards, equipment damage, and system failures.

4 Pole MCB Breaker Information

  • Rated Current: 10 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-NB8-634PC10
Rated Current 10A
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)

10 amp 4 pole Miniature Circuit Breaker Dimensions

Details

4 pole Miniature Circuit Breaker Details

Tips: Common faults and solutions of miniature circuit breaker

Miniature Circuit Breakers (MCBs) are commonly used for protecting electrical circuits. Here are some common faults and their solutions:

Tripping without Load

  • Cause: Mini circuit breaker may be faulty or worn out, or it could be due to an internal fault like insulation damage.
  • Solution: Replace the MCB with a new one. Ensure no underlying circuit faults are causing the trip.

Frequent Tripping

  • Cause: Overloading, short circuits, or earth faults.
  • Solution: Check for overloaded circuits, and verify wiring for short circuits or grounding issues.

MCB Doesn't Trip on Overload

  • Cause: The MCB's thermal element could be defective.
  • Solution: Replace the faulty MCB.

Physical Damage

  • Cause: External impact or deterioration over time.
  • Solution: Replace the damaged MCB to prevent safety risks.

Failure to Reset

  • Cause: Mechanical failure or internal fault.
  • Solution: Inspect the micro circuit breaker and replace it if necessary.
Existing reviews of 10 amp 4 pole Miniature Circuit Breaker
Very pleased with this purchase.
This 4 pole MCB I bought was used for a solar panel interrupter between panels and controller in an RV. Worked great. I am very pleased with this purchase and I will recommend this miniature circuit breaker to my friends and neighbors.
From: Marco | Date: 30/10/2022
Was this review helpful? Yes No (0/0)
Very sturdy build.
This 4 pole miniature circuit breaker is worth the purchase. I used this for a generator to replace an older breaker. It works great and provides power on and off. You will be happy to invest in it. It makes a clean and well-designed DIN rail.
From: Janette | Date: 28/10/2022
Was this review helpful? Yes No (0/0)
Nice 10 amp 4 pole Miniature Circuit Breaker.
I purchased this miniature circuit breaker as an additional protection and as a quick disconnect for my solar panels. It was easy to install and just snap it into place on the DIN rail. It is really nice, high quality MCB breaker that deserves 5 stars.
From: Oscar | Date: 20/04/2022
Was this review helpful? Yes No (0/0)
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