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4 amp 2 pole Miniature Circuit Breaker

5 out of 5 based on 1 reviews | Write a review
$68.99
Factory price 4 amp 2 pole miniature circuit breaker (MCB) is a micro electrical switch that meets IEC standard to provide supplementary protection for the electrical equipment with 6kA rated short circuit breaking capacity, C curve trip characteristic, sand afety used in DIN rail mounting.
SKU: ATO-MCB-2P04
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Delivery date: 6-12 days

Favorable price double pole 4 amp miniature circuit breaker is a protective electrical switch designed to disconnect a circuit in case of faults, such as overloads or short circuits. This mini MCB breaker ensures the safety of conductors by preventing excessive current flow that could cause overheating or damage.

Double Pole MCB Breaker Information

  • Rated Current: 4 amp
  • Rated Voltage: 230/400V AC, 50Hz
  • Number of poles: 2 poles
  • 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-NB8-632PC04
Rated Current 4A
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)

4 amp 2 pole Miniature Circuit Breaker Dimensions

Details

2 pole Miniature Circuit Breaker Details

Tips: Features of miniature circuit breaker

  • The rated short-circuit breaking capacity of the micro circuit breaker is high, and some rated current levels can reach more than 10KA.
  • MCB breaker has a double wiring function, which can easily connect a standard bus bar and flexible wire.
  • Mini circuit breaker is a combined terminal block with finger protection and higher safety.
  • With energy storage mechanism operation, the contacts close quickly, which overcomes the adverse effects caused by the speed of manual operation of the handle, and improves the service life of the product.
  • A variety of accessories to choose from, and a modular and flexible combination, user installation is very convenient.
  • The shell and some functional parts are made of high flame-retardant, high temperature resistant and impact-resistant plastics.
  • High current limiting coefficient and economical price.
Existing reviews of 4 amp 2 pole Miniature Circuit Breaker
Very nice!
The miniature circuit breaker worked as expected. Easy to install in DIN track housing for disconnecting solar panels for service or testing while providing overload or short circuit protection for the line. Very nice MCB!
From: Clovis | Date: 26/05/2022
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