DC type: Main technical parameters (GB & IEC) of DC disk suspension-type glass insulator

Type | IEC Type | Diameter D (mm) | Spacing H (mm) | Creepage Distance L (mm) | Size of Coupling (mm) | Mechanical Failing Load (kN) | Mechanical Routine Test (kN) | Anodic DC Power Dry Withstand Voltage(kV) | Anodic DC Power Wet Withstand Voltage(kV) | Lighting Impulse Withstand Voltage(kV) | Implulse Withstand Voltage (p.u.) | SF6 Puncture Withstand Voltage(kV) | Radio Interference Voltage 10kV,1MHz(μV) | DC Corona Test (pin ∩) (kV) | Net Weight Per Unit(kg) |
LXZP-160 | U160BP/170H | 320 | 170 | 550 | 20 | 160 | 80 | 150 | 65 | 140 | 2.8 | 225 | ≤50 | ≥50 | 9.7 |
LXZP-210 | U210BP/170H | 320 | 170 | 550 | 20 | 210 | 105 | 150 | 65 | 140 | 2.8 | 225 | ≤50 | ≥50 | 10.2 |
LXZP-240 | U240BP/170H | 320 | 170 | 550 | 24 | 240 | 120 | 150 | 65 | 140 | 2.8 | 225 | ≤50 | ≥50 | 10.5 |
LXZP-300 | U300BP1/195H | 390 | 195 | 710 | 24 | 300 | 150 | 150 | 65 | 140 | 2.8 | 225 | ≤50 | ≥50 | 15.4 |
LXZP1-300 | U300BP/195H | 380 | 195 | 635 | 24 | 300 | 150 | 170 | 75 | 155 | 2.8 | 225 | ≤50 | ≥50 | 16.0 |
LXZP-420 | U420BP/205H | 360 | 205 | 550 | 28 | 420 | 210 | 150 | 65 | 140 | 2.8 | 225 | ≤50 | ≥50 | 14.6 |
LXZP1-420 | U420BP1/205H | 380 | 205 | 620 | 28 | 420 | 210 | 160 | 70 | 150 | 2.8 | 225 | ≤50 | ≥50 | 18.9 |
LXZP-550 | U550BP/240H | 380 | 240 | 650 | 32 | 550 | 275 | 160 | 70 | 150 | 2.8 | 225 | ≤50 | ≥50 | 19.1 |
LXZP1-550 | U550BP1/240H | 380 | 240 | 710 | 32 | 550 | 275 | 160 | 70 | 150 | 2.8 | 225 | ≤50 | ≥50 | 22.0 |
LXZP-840 | U840BP/300H | 420 | 300 | 710 | 40 | 840 | 420 | 170 | 75 | 155 | 2.8 | 225 | ≤50 | ≥50 | 24.5 |