| Current/General/lEC designation | U160BP/146M | U160BP/155M | U210BP/170M | U120BP/170M |
| Diameter D (mm) | 420 | 420 | 420 | 420 |
| Spacing H (mm) | 146 | 155 | 170 | 170 |
| Creepage L (mm) | 380 | 380 | 380 | 380 |
| Socket soupling (mm) | 20 | 20 | 20 | 20 |
| Mechanical failing load (kN) | 160 | 160 | 210 | 240 |
| Mechanical routine test (kN) | 80 | 80 | 105 | 120 |
| Wet power frequency withstand voltage (kV) | 50 | 50 | 50 | 50 |
| Dry lightning impulse withstand voltage (kV) | 95 | 95 | 95 | 95 |
| Impulse puncture voltage (P.U) | 2.8 | 2.8 | 2.8 | 2.8 |
| Power frequency puncture voltage (kV) | *130 | *130 | *130 | *130 |
| Rodio influence voltage (μV) | 50 | 50 | 50 | 50 |
| Corona visual test (kV) | 18/22 | 18/22 | 18/22 | 18/22 |
| Power frequency electric arc voltage | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA | 0.12s/20kA |
| Net weight per unit ( kg ) | 7.2 | 7.2 | 7.3 | 7.5 |
We offer the most advanced engineering design solutions and product technology solutions to global power customers, and continue to create value for the commercial success of global power customers.
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