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Small circuit breakers are mainly suitable for power line facilities and electrical equipment in industrial devies and similar places with an alternating current of 50Hz, rated voltages of 230V and 400V, and a rated current of up to 63A.
They provide overload and short-circuit protection for the lines.
They can also be used to perform infrequent switching operations on the lines under normal conditions.
Due to their small size, convenient installation, and reliable performance, they are widely applied in the protection circuits of home power distribution, public facilities,and industrial and commercial facilities.
They are also applied in the circuit protection of new energy sources (photovoltaic,wind power,charging piles) and other power distribution and control loops.
Enforce standars
GB/T 10963.1 Electrical accessories Overcurrent protection circuit breakers for household and similar applications
IEC 60898-1Electrical accessories-Circuit-breakers for overcurrent protectionfor household and similar installations
Type description
Normal service condition
Temperature: -25 degrees Celsius to +70 degrees Celsius
Altitude: less than or equal to 2500 meters
Pollution/Protection Level: Level3/IP20
Performance parameter
| Rated current In(A) | Maximum power consumption per pole(W) |
| Ins10 | 3 |
| 10 | 3.5 |
| 16 | 4.5 |
| 25 | 6 |
| 32 | 7.5 |
| 40 | 9 |
| 50 | 13 |
