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 ranging from -60 °C to +50 °C and complies with the UHL 1 category according to GOST 15150. The product is manufactured according to TU 3493-004-99267582-2009 and meets the requirements of GOST 6490-2017.

Key technical specifications of the PС70Е 212W insulator:

• Rated mechanical failing load: 70 kN
• Rated mechanical residual strength of the insulator: 56 kN
• Rated impact energy: 45 J
• Nominal diameter of the insulating part: 255 mm
• Nominal height: 127 mm
• Nominal creepage distance: 320 mm
• Standard ball-and-socket coupling according to GOST 27396 (IEC 120-84): 16 mm
• Flashover voltage in insulating medium: 130 kV
• Power frequency withstand voltage (dry): 70 kV
• Power frequency withstand voltage (wet): 40 kV
• Standard lightning impulse withstand voltage: ±105 kV
• Nominal voltage at permissible radio interference level: 60 dB/kV at 20 kV; 86 dB/kV at 25 kV
• Weight: 3.6 kg