Bussmann 12BDGHA50 Medium Voltage Back-Up Air Fuse-Link, 50A 12kV, with Striker
The Bussmann 12BDGHA50 is a medium voltage air fuse-link rated 50 A at AC 12 kV, engineered as a back-up class fuse-link to British Standard (BS) requirements. Measuring 359 x 50.8 mm with a bolt-on, cylindrical, single-barrel construction and a silver fusible element, it is fitted with a striker for positive trip indication and is designed for protection of primary side transformers and use in fuse switch combination units, fuse bases, and fuse switches.
Key Features
- Overall Dimensions: 359 x 50.8 mm cylindrical body sized for standard medium voltage fuse mountings.
- Silver Fusible Element: Silver element construction supports consistent, repeatable clearing performance.
- Bolt-On Construction: Single-barrel, bolt-on cylindrical design for secure mounting in fuse bases and switches.
- Electrical Rating: Rated 50 A at AC 12 kV with a 40 kAIC interrupt rating for demanding medium voltage circuits.
- Back-Up Class: Class back-up fuse-link for coordination with upstream and downstream protective devices.
- With Striker: Fitted with a striker for mechanical trip indication in switching applications.
- Rated Frequency: 50 Hz rated frequency for AC medium voltage systems.
- Resistance: 14.5 ohms element resistance.
Certifications & Compliance
- Manufactured to British Standard (BS)
Technical Specifications
- Application: protection of primary side transformers | used in fuse switch combination units, fuse bases and fuse switches
- Barrels: 1
- Class: Class back-up
- Compliances: Contact factory
- Construction Type: Bolt-on
- Element: Silver
- Fuse Shape: Cylindrical
- Installation Technique: Air
- Interrupt Rating: 40 kAIC
- Packaging Type: Standard
- Product Height: 62 mm
- Product Length Depth: 375 mm
- Product Weight: 1781.666667 g
- Product Width: 200 mm
- Rated Frequency Max: 50 Hz
- Rated Frequency Min: 50 Hz
- Release Characteristic: Other
- Resistance: 14.5 ohms
- Standard: British Standard
- Utilization Category: Other
- Voltage Type: AC
- With Striker: Yes
Typical Applications
- Protection of Primary Side Transformers
- Fuse Switch Combination Units
- Fuse Bases
- Fuse Switches
- Medium Voltage AC Electrical Distribution Systems
Why Bussmann?
Bussmann builds this 12BDGHA50 back-up fuse-link with a silver element, bolt-on cylindrical construction, and a 40 kAIC interrupt rating to British Standard requirements, giving specifiers a dependable option for primary transformer and switchgear protection. The included striker supports reliable trip indication in fuse switch combination units, fuse bases, and fuse switches. Choose Bussmann for consistent, code-aligned medium voltage fuse protection.
Manufacturer Resources
Product Specs
- Amperage Rating:
- 50 A
- Barrels:
- 1
- Class:
- Class back-up
- Compliances:
- Contact factory
- Construction Type:
- Bolt-on
- Element:
- Silver
- Fuse Indicator:
- With Striker
- Fuse Shape:
- Cylindrical
- Installation Technique:
- Air
- Interrupt Rating:
- 40 kAIC
- Packaging Type:
- Standard
- Performance Cat According To Iec 60282 1:
- Back-up
- Product Height:
- 62 mm
- Product Length Depth:
- 375 mm
- Product Weight:
- 1781.666667 g
- Product Width:
- 200 mm
- Rated Frequency Max:
- 50 Hz
- Rated Frequency Min:
- 50 Hz
- Release Characteristic:
- Other
- Resistance:
- 14.5 ohms
- Standards:
- British Standard
- Utilization Category:
- Other
- Voltage Rating:
- 12 kV
- Voltage Type:
- AC
- With Striker:
- Yes
- Product Group:
- Fuses
- Department:
- Electrical
- Product Subgroup:
- Other Fuses
- Product Type:
- Fuse
- Product Details:
- Fuse