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OUWEI > Bushing & Cable accessories > IEC Bushing Cable Accessories > 34kV / 78kV Coupling T Surge Arrester

34kV / 78kV Coupling T Surge Arrester

Specifications

⚫Rated Voltage of Lightning Arrester(Um) 34kV
⚫Continuous Operating Voltage 25.6kV
⚫ Nominal Discharge Current in 5kV
⚫DC 1mA reference Voltage ≥47kV
⚫0.75U1mA Leakage Current ≤10uA
⚫steep Wave Impact Residual Voltage ≤ 95 kV
⚫Lightning Impulse Residual Voltage ≤ 78 kV
⚫Operation Impact Residual Voltage ≤ 75 kV
⚫Partial Discharge at 25.4kV ≤10
⚫2mS Square Wave Impulse Current Withstand 150A

KEY FEATURES

⚫Provides fully shielded deadfront arrester protection.
⚫Metal (zinc) Oxide Varistor (MOV) gapless design.
⚫EPDM insulation rubber molded around MOV module.
⚫Mounting can be vertical, horizontal, or any angle in between.
⚫No minimum phase clearance requirements.
⚫100% electrical tested at factory

Application

The Ouwei T-Body Surge Arrester is an arrester combined within a coupling(rear) T-Body interface. It is designed to protect apparatus, including transformers, switchgear, and other equipment from high voltage surges due to lightning or switching.

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