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- TBR 400-630A-1250A
TBR 400-630A-1250A
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TBR 400-630A-1250A
Product catalog summary
Features
The document describes epoxy resin bushings designed for oil transformers with plug-in cable connections, compliant with EN 50180 standards. Each version includes a plastic cap for cable connection, fixing hardware for the lower connection, and a screen earthing plaque with a screw. An earthing cable is available as an alternative to the plaque. Optional features include a fixing system compliant with EN 50180-2/3, which consists of an aluminium flange, NBR gasket, stainless steel washers, and nuts.
The document describes epoxy resin bushings designed for oil transformers with plug-in cable connections, compliant with EN 50180 standards. Each version includes a plastic cap for cable connection, fixing hardware for the lower connection, and a screen earthing plaque with a screw. An earthing cable is available as an alternative to the plaque. Optional features include a fixing system compliant with EN 50180-2/3, which consists of an aluminium flange, NBR gasket, stainless steel washers, and nuts.
Reference Standards
The bushings adhere to IEC 60137 and EN 50180 standards.
The bushings adhere to IEC 60137 and EN 50180 standards.
Routine Tests
The routine tests conducted include visual and dimensional checks, glass transition temperature assessment, dry power frequency withstand tests, and partial discharge tests.
The routine tests conducted include visual and dimensional checks, glass transition temperature assessment, dry power frequency withstand tests, and partial discharge tests.
Tests on Demand
Additional tests available upon request include dry lighting impulse voltage tests, bending stress tests, and temperature rise tests.
Additional tests available upon request include dry lighting impulse voltage tests, bending stress tests, and temperature rise tests.
Technical Specifications
The document provides specifications for three models:
The document provides specifications for three models:
- TBR 36/400: Maximum operating voltage of 36 kV, lightning impulse voltage withstand of 170 kV, power frequency voltage withstand of 77 kV, and a nominal current of 400 A (Interface B2).
- TBR 36/630: Nominal current of 630 A (Interface C1).
- TBR 36/1250: Nominal current of 1250 A (Interface C2).
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Catalog excerpts
FEATURES Epoxy resin bushings for oil transformers with plug-in cable connection in compliance with EN 50180. All versions include: plastic cap on cable connection, fixing hardware for lower connection, screen earthing plaque with its screw. Earthing cable is available as an alternative to the plaque. On request is also available the fixing system in compliance with EN 50180-2/3: Aluminium flange NBR gasket Stainless steel washers Stainless steel nuts Nominal current Power frequency voltage withstand • Dry lighting impulse voltage • Bending stress • Temperature rise test • Visual and dimensional check • Glass transition temperature • Dry power frequency withstand • Partial discharges Lightning impulse voltage withstand ROUTINE TESTS
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