Bussmann 12BDGHA40 Medium Volt...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$2,778.96

Bussmann 12BDGHA40 Medium Voltage Air Fuse-Link, 40A, 12kV Back-Up

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Model: 12BDGHA40

In Stock (leaves warehouse same day if ordered before 3pm ET)

$2,778.96
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Bussmann 12BDGHA40 Medium Voltage Air Fuse-Link, 40A, 12kV Back-Up

The Bussmann 12BDGHA40 is a medium voltage air fuse-link rated 40 A at 12 kV AC, engineered for back-up protection of primary side transformers in fuse switch combination units, fuse bases, and fuse switches. This cylindrical, bolt-on fuse-link measures 359 x 50.8 mm and uses a silver fusible element for stable, repeatable time-current performance. Built to British Standard (BS) with an integrated striker for mechanical trip indication, it delivers dependable overcurrent protection in demanding medium-voltage distribution applications.

Key Features

  • Amperage Rating: 40 A rated current for reliable back-up overcurrent protection.
  • Voltage Rating: AC 12 kV medium-voltage rating suited to primary-side transformer protection.
  • Dimensions: 359 x 50.8 mm cylindrical fuse-link body sized for standard fuse bases, fuse switches, and combination units.
  • Durable Construction: Bolt-on, single-barrel cylindrical design with a silver fusible element for consistent, repeatable time-current characteristics.
  • Interrupt Rating: 40 kAIC interrupt rating for high fault-current withstand.
  • Back-Up Class: Class back-up fuse-link construction for coordinated primary-side transformer protection.
  • With Striker: Integrated striker pin provides mechanical trip indication and can operate tripping mechanisms in fuse switches.
  • Resistance: 21.8 ohms rated 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 Length Depth: 359 mm
  • Product Weight: 2100 g
  • Rated Frequency Max: 50 Hz
  • Rated Frequency Min: 50 Hz
  • Release Characteristic: Other
  • Resistance: 21.8 ohms
  • Standard: British Standard
  • Utilization Category: Other
  • Voltage Type: AC
  • With Striker: Yes

Typical Applications

  • Primary-Side Transformer Protection
  • Fuse Switch Combination Units
  • Fuse Bases and Fuse Switches
  • Medium-Voltage Distribution Systems
  • Industrial and Utility Power Distribution

Why Bussmann?

Bussmann fuse-links are built with silver fusible elements and bolt-on cylindrical construction to deliver consistent, repeatable performance under fault conditions. Manufactured to British Standard (BS) with a 40 kAIC interrupt rating and an integrated striker for mechanical trip indication, the 12BDGHA40 is engineered for code-compliant, reliable back-up protection in medium-voltage transformer and switching applications.

Manufacturer Resources

Product Specs

Amperage Rating:
40 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:
50.8 mm
Product Length Depth:
359 mm
Product Weight:
2100 g
Product Width:
50.8 mm
Rated Frequency Max:
50 Hz
Rated Frequency Min:
50 Hz
Release Characteristic:
Other
Resistance:
21.8 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

Bussmann 12BDGHA40 – Frequently Asked Questions

How fast can I get the Bussmann 12BDGHA40 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 12BDGHA40 come with a warranty?
Absolutely. The Bussmann 12BDGHA40 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 12BDGHA40?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Bussmann 12BDGHA40 from ZenSupply?
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