product detail
Product Parameters
Executive standard | IEC61439-6,GB7251.1,HB7251.6 |
System | Three-phase three-wire, three-phase four-wire, three-phase five-wire, three-phase five-wire (shell as PE) |
Rated frequency f (Hz) | 50/60 |
Rated insulation voltage Ui (V) | 1000 |
Rated working voltage Ue (V) | 380-690 |
current (A) | 250A～6300 |
Product Technical Parameters
- NHCCX series busways are in compliance with IEC60439-1~2, GB7251.1-2, JISC8364, GB9978 standards for each performance.
- The busway can withstand 2500V frequency withstand voltage for 1min without breakdown and flashover.
- The busway is able to withstand strong electric and thermal stresses due to the use of high-strength ceramic as the phase separation material. According to the data in Table (2), the busways passed the dynamic and thermal stability test and showed undetectable ^ deformation after the test.
Rated working current（A） | 250 | 400 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | 3150 |
Short-time withstand current（A） | 10 | 15 | 20 | 30 | 30 | 40 | 40 | 50 | 60 | 75 |
Peak withstand current（A） | 17 | 30 | 40 | 63 | 63 | 84 | 84 | 105 | 132 | 165 |
The temperature rise of the conductive parts of the busway trough does not exceed the values listed in the following table when the rated current is passed for a long time | |
conductive part | Maximum allowable temperature rise（K） |
connection terminals | 60 |
Housing | 30 |