The PSV 210D R 112W suspension glass insulator is designed for insulating and securing conductors and ground wires on overhead power lines, as well as in distribution devices of power plants and substations with alternating current voltage above 1000 V and frequency up to 100 Hz. The insulator operates in ambient temperatures from -60 °C to +50 °C and complies with the UHL 1 version according to GOST 15150. It is manufactured according to TU 3493-004-99267582-2009 and meets the requirements of GOST 6490-2017.

Technical specifications:

• Designation according to GOST 27661: PSV 210D 112W
• Designation according to IEC 60305: not available
• Rated mechanical breaking load: 210 kN
• Rated mechanical residual breaking strength: 168 kN
• Nominal diameter of the insulating part: 320 mm
• Nominal structural height: 195 mm
• Nominal leakage path length: 555 mm
• Standard ball-and-socket coupling according to GOST 27396 (IEC 120-84): 20 mm
• Breakdown voltage in insulating medium: 130 kV
• Withstand voltage at 50 Hz (dry): 90 kV
• Withstand voltage at 50 Hz (wet): 55 kV
• Withstand voltage of standard lightning impulse: ±140 kV
• Nominal voltage at permissible radio interference level: 34 dB/kV at 10 kV; 55 dB/kV at 25 kV; 75 dB/kV at 35 kV; 80 dB/kV at 40 kV
• Weight: 8.5 kg