Single Pole 40 Amp Ac Circuit Breaker
China manufacturers Latest Selling single pole 40 amp ac circuit breaker In Stock is a Electrical safety device used to protect low-voltage circuit from overcurrent (overload and short circuit) damage. Common low-voltage circuit breakers include fuse less circuit breakers, molded case circuit breakers (MCCBs), and miniature circuit breakers (MCBs). Large capacity low-voltage circuit breakers will also use air circuit breakers (ACBs). single pole 40 amp ac circuit breaker can manually open and close circuits, automatically cut off faulty circuits, thereby protecting equipment and preventing fire risks. In Europe and America, these circuit breakers have different levels of current flow, so they are divided into molded case circuit breakers and miniature circuit breakers.
Single pole 40 amp ac circuit breaker Parameter (Specification)
| Pole | 1P | 2P | 3P | 4P |
| Rated Current (A) | 6, 10, 16,20,25, 32, 40, 50, 63 | |||
| Rated Voltage (V) | 230/400 | 400 | 400 | 400 |
| Breaking Capacity(kA) | 6 | |||
| Colour | White and transparent | |||
| Characteristic Curve | C | |||
| Working Temperature | -5℃~+40℃ | |||
| Enclosed Class | IP20 | |||
| Standard | IEC60898-1 | |||
| Frequency | 50/60HZ | |||
| Electrical Life | Not less than 8000 times | |||
| Mechanical Life | Not less than 20000 times | |||
Single pole 40 amp ac circuit breaker Structure
When the hand pulls up the handle, the circuit will start and transmit current (closed circuit); When the circuit encounters overload or short circuit, the circuit breaker will automatically trip to prevent circuit damage. After repairing the circuit problem, it is necessary to press the handle again and then pull it up to make the circuit close again, otherwise it cannot be powered on again.
Single pole 40 amp ac circuit breaker Details
Single pole 40 amp ac circuit breaker Dimensions and wiring
Single pole 40 amp ac circuit breaker FAQ
Q: What causes an AC breaker to trip?
A: Your AC breaker usually trips due to a short circuit, overexertion of the AC system, or a faulty or malfunctioning component.
Q: Can I replace a 15 amp breaker with a 20 amp?
A: While it is technically possible to upgrade from a 15-amp breaker to a 20-amp one without an electrician evaluating the situation, it is not advisable. Simply upgrading the breaker because the current one keeps tripping could result in an electrical fire that could burn your house down. Therefore, it is always recommended to consult with an electrician before making any changes to your electrical system.
