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| 01 Affordable price, factory direct supply 02.Selected materials with reliable quality 03.Fast delivery, lightning delivery 04.No quantitative restrictions, trial orders are welcome 05.24-hour attentive customer service |

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| Product Name:Fireproof Bus Duct | Rated current:250A-6500A |
| Product material:Aluminum/Copper | Product core:Copper bar/Aluminum bar |
| Product Notes:Customization supported | Product use:Suitable for renovation of old factoriesCommercial buildings, workshops, etc. |
| Rated power:50HZ |
| Fireproof Bus Duct |
| The material is high-temperature phlogopite tape, which is resistant to high temperatures of 950°C.The double-layer metal shell is coated with fire-retardant paint, and the shell has ventilation holes. In the event of a fire, the fire-retardant paint can expand rapidly to isolate the heat source. The plug interface has a waterproof edge and the protection level is IP54. |
| Rated Current(A) | W | H | Weights(kg/m) |
| 250 | 174 | 135 | 35.5 |
| 400 | 174 | 135 | 38 |
| 630 | 174 | 145 | 41.5 |
| 800 | 174 | 160 | 47 |
| 1000 | 174 | 175 | 53 |
| 1250 | 174 | 210 | 66 |
| 1600 | 174 | 230 | 77 |
| 2000 | 174 | 275 | 95 |
| 2500 | 174 | 320 | 114 |

| Rated current | A | 250 | 400 | 630 | 800 | 1000 | 1250 | 1600 | 2000 | 2500 | |
| Rated voltage | V | 660 | 660 | 660 | 660 | 660 | 660 | 660 | 660 | 660 | |
| Impedance Z | mΩ/m | 0.1341 | 0.1085 | 0.897 | 0.0699 | 0.0569 | 0.0412 | 0.0323 | 0.0243 | 0.021 | |
| Resistance R | mΩ/m | 0.1306 | 0.105 | 0.0856 | 0.0699 | 0.0549 | 0.0388 | 0.0299 | 0.0222 | 0.0193 | |
| Reactance X | mΩ/m | 0.0305 | 0.0273 | 0.0269 | 0.025 | 0.0152 | 0.0139 | 0.0123 | 0.01 | 0.0084 | |
| Voltage drop | cosø=0.7 | mv(Axm) | 0.1961 | 0.1611 | 0.1371 | 0.1064 | 0.0854 | 0.0642 | 0.0515 | 0.0393 | 0.0338 |
| cosø=0.8 | mv(Axm) | 0.2127 | 0.1739 | 0.1466 | 0.1182 | 0.0919 | 0.682 | 0.0542 | 0.0412 | 0.0355 | |
| cosø=0.9 | mv(Axm) | 0.2267 | 0.1843 | 0.1538 | 0.1198 | 0.1971 | 0.071 | 0.0559 | 0.0422 | 0.0364 | |
| cosø=1 | mv(Axm) | 0.222 | 0.1819 | 0.1483 | 0.1159 | 0.1951 | 0.0672 | 0.0518 | 0.0365 | 0.0334 | |

















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