The IОS-110-2000 MU-01 UHL1 insulator is designed for insulating and securing live parts of electrical equipment in complete switchgear and outdoor switchgear (ORU) of power plants and substations with alternating voltage above 1000 V at frequencies up to 100 Hz. It is recommended for use in areas with harsh climatic conditions, including high atmospheric pollution, icing, and frequent fogs.

Technical Specifications:

• Rated voltage: 110 kV
• Creepage distance: 2000 mm
• Weight: 72 kg
• Minimum mechanical bending strength:
  • Standardized according to GOST: 20 kN
  • Standardized according to factory TU: 26 kN
  • Guaranteed by the manufacturer: 28 kN
  • Actual test values: 29.5–31 kN
• Minimum torsional breaking moment:
  • Standardized according to GOST: not standardized
  • Standardized according to factory TU: 5 kN·m
  • Guaranteed by the manufacturer: 8 kN·m
  • Actual test values: 8.5–9.5 kN·m
• Lightning impulse withstand voltage: 450 kV
• One-minute power frequency withstand voltage in dry conditions: 230 kV
• Average wet power frequency flashover voltage:
  • Standardized according to GOST and factory TU: ≥230 kV
  • Actual test values: 302.3–307.7 kV
• Pollution degree in the area of application:
  • Minimum standardized value according to GOST: I
  • Actual test results: II

Advantages of IОS-110-2000 MU-01 UHL1 «VOLTA» Insulators:

• High mechanical bending strength reserve.
• Confirmed torsion tests.
• Suitable for use in disconnectors.
• Pollution resistance, allowing operation in harsh conditions.
• High electrical performance, confirmed by tests.
• Low aging rate, ensuring high reliability over time.
• Easier installation and reduced metal consumption in structures due to reduced insulator weight.

Manufacturer's Warranty Obligations:

• Warranty period: 10 years from the date of commissioning.
• Total service life: at least 35 years.

Transportation Preservation Measures:

Each insulator is packed in a wooden crate and individual polymer packaging, protecting it from contamination and ensuring delivery in a clean condition to the installation site.