Description
ATO favorable price 2 amp miniature circuit breaker is suitable for preventing potential damage to equipment and reducing the risk of fire or electrical hazards. 4 pole mini MCB breaker protects against both overload and short circuits, ensuring the safety and longevity of electrical systems.
4 Pole MCB Breaker Information
- Rated Current: 2 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-NB8-634PC02 | |
| Rated Current | 2A | |
| 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: Basic requirements for the operating of a miniature circuit breaker
A miniature circuit breaker (MCB) is a crucial safety device in electrical systems, designed to protect circuits from overloads and short circuits. Here are the basic requirements for operating an MCB:
- Correct Voltage Rating: Ensure the mini MCB matches the voltage rating of the system. Using an MCB with a lower voltage rating than the system can lead to malfunction and potential failure.
- Appropriate Current Rating: Choose a micro circuit breaker with a current rating that aligns with the maximum expected load on the circuit. The MCB should be capable of handling normal operation without tripping, while still offering protection during overloads.
- Proper Installation: Install the MCB in a standard distribution board with adequate space and ventilation to prevent overheating. Ensure it’s securely connected to the circuit.
- Periodic Testing: Regularly test the MCB by manually tripping it and checking its functionality to ensure it operates correctly in case of an overload or short circuit.
- Avoid Frequent Overloading: Overloading an MCB can reduce its lifespan and lead to permanent damage.
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