Description
16 amp 4 pole miniature circuit breaker is equipped with a C curve trip characteristic, which provides a balanced response to both overload and short-circuit conditions. This design of the C16 mini MCB ensures the safety and longevity of electrical systems, effectively safeguarding equipment from potential electrical faults.
4 Pole MCB Breaker Information
- Rated Current: 16 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-NB8-634PC16 | |
| Rated Current | 16A | |
| 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: 16 amp 4 pole miniature circuit breaker applications
A 16 amp 4-pole miniature circuit breaker (MCB) is typically used in industrial and commercial electrical systems for protecting circuits against overcurrent and short circuits. Its 4 pole configuration is ideal for three-phase systems with a neutral line, protecting all conductors in the circuit (three phases and neutral).
Common applications include:
- Power Distribution Panels: Protecting circuits that supply machinery or equipment, ensuring the safety of both electrical installations and operators.
- Motor Protection: Safeguarding three-phase motors that require simultaneous protection of all phases and the neutral.
- UPS Systems: Protecting uninterruptible power supplies, ensuring safe shutdown and preventing damage to sensitive electronics during faults.
- Renewable Energy Systems: In solar or wind power installations, providing overcurrent protection to the inverter and associated wiring.
The 16 amp rating indicates it’s suitable for medium-sized systems, offering reliable protection without unnecessary tripping. Always ensure the breaker’s ratings match the circuit load to avoid damage.
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