Bussmann BK/70 Series Indicating Cylindrical Fuse

Bussmann BK/70B-2A Indicating Cylindrical Fuse, 2A Rated

The Bussmann BK/70B-2A Indicating Cylindrical Fuse is a 2A-rated cylindrical fuse engineered for reliable overcurrent protection in electrical circuits. Rated 125 Vac, 300 Vdc with a 1 kAIC interrupt rating at 300 Vdc, this fuse delivers a controlled response time of 0 to 90 seconds at 150% of rated current, helping protect connected equipment from sustained overcurrent conditions. Its compact cylindrical body is sized to fit standard fuse holders and fuse blocks used throughout commercial and industrial electrical systems, making it a practical replacement or new-build component for panels, control circuits, and equipment protection schemes.

Key Features

• Amperage Rating: 2A for precise overcurrent protection matched to the connected circuit load.
• Voltage Rating: 125 Vac, 300 Vdc, supporting use across both AC and DC electrical systems.
• Interrupt Rating: 1 kAIC at 300 Vdc for dependable interruption of fault current.
• Response Time: 0 to 90 sec at 150% of rated current for predictable, repeatable fuse operation.
• Cylindrical Form Factor: Compact cylindrical body designed for compatibility with standard fuse holders and fuse blocks.
• Packaging Type: Standard packaging for straightforward stocking, handling, and replacement.
• Compact Dimensions: Measures 1.63 IN in length, 2.5 IN in height, and .42 IN in width, weighing approximately .5 LB.

Technical Specifications

• Amperage Rating: 2A
• Fuse Indicator: Non Indicating
• Interrupt Rating: 1 kAIC at 300 Vdc
• Packaging Type: Standard
• Response Time: 0 to 90 sec at 150%
• Voltage Rating: 125 Vac, 300 Vdc
• Product Length: 1.63 IN
• Product Height: 2.5 IN
• Product Weight: .5 LB
• Product Width: .42 IN

Typical Applications

• Commercial and Industrial Electrical Circuits
• Panelboard and Control Circuit Overcurrent Protection
• Equipment and Machinery Circuit Protection
• Fuse Holder and Fuse Block Replacement
• Maintenance and Retrofit Electrical Work

Why Bussmann?

Bussmann fuses are built to deliver consistent, clearly rated overcurrent protection, with defined amperage, voltage, interrupt, and response-time ratings that electrical professionals can specify with confidence. The BK/70B-2A's 2A amperage rating, 125 Vac / 300 Vdc voltage rating, and 1 kAIC interrupt rating combine to make it a precise, dependable fit for replacement and new-build applications calling for a rated cylindrical fuse. Choosing Bussmann means specifying a component built around clearly documented, verifiable ratings for professional electrical work.