Eaton Bussmann Series 12AHGHC63 High Voltage HRC Fuse Link

Eaton Bussmann Series 12AHGHC63/BI is a British-standard, high-voltage HRC “air” fuse link designed for reliable, current-limiting protection on 12 kV networks. The “/BI” suffix indicates a striker/indicator build—ideal for tripping compatible fuse-switch mechanisms and making fault status easy to spot.

Key Features at a Glance

• 12 kV rated voltage, 63 A rated current

• HRC, current-limiting “back-up” operating class

• Striker/indicator for mechanical tripping/visual operation

• British-standard air fuse construction; made to BS 2692-1

• Designed for transformer primaries, fuse-switch combos, and bus-duct/distribution circuits

• Eaton Bussmann quality; manufactured by Eaton Power Quality Pvt. Ltd., Pondicherry (per label)

• Family-typical breaking capacity ~40 kA @ 12 kV (confirm for this exact variant)

• Common BS barrel Ø 50.8 mm; 63 A builds are typically TA3 length (~461 mm); verify against your carrier

Why Choose This Product
You’re getting a dependable MV protection link in a proven Eaton Bussmann design. The striker/indicator version makes protection and monitoring straightforward in fuse-switch assemblies, while the British-standard air barrel ensures compatibility with widely used carriers and bus-duct layouts. It’s a practical, service-friendly choice for primary protection on 12 kV systems.

Ideal For

• Primary-side transformer protection (11/12 kV networks)

• MV fuse-switch combinations and ring main units that accept BS air links

• Bus-duct/distribution feeders requiring current-limiting fault protection

• Like-for-like replacements where 12 kV / 63 A with striker is specified

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