Overvoltage Limiters OPN-P 10 kV 1.1 C UHL2

Overvoltage limiters OPN-P 10 kV 1.1 C UHL2 are designed to protect the insulation of electrical installations in AC networks with a voltage of 10 kV, a frequency of 50 Hz, and an isolated neutral from switching and lightning overvoltages. The products comply with GOST R 52725-2021 and are manufactured according to TU 27.12.10-057-21639232-2022.

Technical Specifications:

• Nominal discharge current: 10 kA
• Discharge capacity class: 3
• Explosion safety current:
  • duration of at least 1 second — at least 0.6 kA
  • duration of at least 0.2 seconds — at least 40 kA
• Impulse current 4/10 µs: 100 kA
• Thermal energy: at least 4 kJ/kV