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UKB7Z-63 High Breaking DC Miniature Circuit Breaker
- Customization:
- Available
- Function:
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
- Rated Voltage:
- 250, 500, 750, 1000
- Operate:
- Electric Type
- Breaking Capacity:
- Low Voltage Circuit Breakers
- Rated Short-Circuit Capacity:
- 10ka
- Rated Current:
- 1, 2, 3, 4, 6, 10, 15, 16, 20, 25, 32, 40, 50, 63
- Number of Poles:
- 1, 2, 3, 4
It is applicable to overload and short circuit protection of DC lines. Especially suitable for communication, electric power, locomotive and other industries. The accurate breaking capacity of current tripping setting is up to 10kA, and the extremely high current limiting capacity can realize high selective connection and fast connection of power supply in any direction.
Conform to the latest standards IEC898 and GB/T10963.1
Technical Data
| Electrical features | Rated value | AC230/400 50/60Hz AC/DC24 | |
| UN (V) | In (A) | ||
| AC400 50/60Hz | 3 | ||
| AC230 50/60Hz | 6 | ||
| DC130 | 1 | ||
| DC48 | 2 | ||
| DC24 | 6 | ||
| Rated impulse withstand voltage(1.2/50)Uimp | 4000V | ||
| Dielectric Test Voltage at ind.Freq.for 1min | 2kV | ||
| Insulation voltage Ui | 500V | ||
| Pollution degree | 2 | ||
| Mechanical features | Electrical life | 4000 | |
| Mechanical life | 4000 | ||
| Protection degree | Ip20 | ||
| Ambient temperature (with daily average≤35ºC) | -30°C~70°C | ||
| Storage temperature | -40°C~85°C | ||
| Installation | Terminal connection type | Cable | |
| Terminal size top/ bottom for cable | 2.5mm2 / 18-14AWG | ||
| Tightening torque | 0.8N.m | ||