Miniature circuit breaker is ideal for the protection of circuits in industrial, commercial, and residential sectors, and ensures the following functions: Protection against short-circuit and overload currents, isolation, protection of persons against indirect contact.
Circuit Breaker Information
- Rated Current: 16A
- Rated Voltage: 230/400V AC, 50Hz
- Number of poles: 3 pole
- 6 kA short circuit breaking capacity
- IEC standard certified and marked
- Possibility for locking the toggle in ON or OFF position
Technical Data
Model |
ATO-NB8-633PC16 |
Electrical Parameters |
Height |
86 mm |
Width |
18 mm per pole |
Mounting |
DIN Rail |
Rated Current (In) |
16A |
Number of poles |
3P |
Rated Voltage (Ue) |
230/400V |
Rated Insulation Voltage (Ui) |
500V |
Dielectric Test Voltage |
2000V |
Rated Frequency |
50Hz |
Short Circuit Interrupting Capacity |
6KA |
Trip Characteristic |
C Curve (5-10In) |
Rated Short-Circuit Breaking Capacity |
6000A |
Operating Short-Circuit Breaking Capacity |
6000A |
Mechanical Parameters |
Electrical Life |
10000 times |
Mechanical Life |
20000 times |
Flame Retardant Grade |
V0 |
Protection Degree |
Direct installation: IP20B Installed in the distribution box: IP40B |
Calibration Temperature |
30℃ |
Operating Temperature |
-35℃~+70℃ |
Storage Temperature |
-35℃~+85℃ |
Tightening Torque |
2 N.m |
Max. Tolerable Torque |
2.5 N.m |
Terminal Size Acceptability–Min/Max |
1 mm2 / 25mm2 |
Wire Insertion Depth |
13mm |
Circuit Breaker Dimension (Unit: mm)
Details
Tips: Main function of miniature circuit breaker
The function of the miniature circuit breaker is to quickly cut off the power supply circuit when the human body gets an electric shock or the equipment leaks, so as to prevent the human body and the equipment from being harmed.
The miniature circuit breaker was once called the leakage protection circuit breaker, which is a kind of switching device to prevent the human body from getting electric shock or leakage in the low-voltage circuit and causing fire and explosion accidents. When the detection element receives the signal, the leakage release disconnects the main contact of the main circuit, which plays a protective role. The protective action current of the detection element and the leakage release is 30~100mA, and the protection action time is 0.03~0.1s.