Cooper Bussmann 216-R Class R Fuse Reducer
The Cooper Bussmann 216-R is a Class R fuse reducer designed to facilitate the use of smaller amperage fuses within larger fuse blocks or holders. This accessory allows for the installation of 35 to 60 amp fuses in 100 amp fuse blocks, accommodating both 250V and 600V applications.
Key Features
- Versatile Compatibility: Suitable for use with FRN-R, LPN-RK, FRS-R, LPS-RK, KTN-R, and KTS-R series Class R fuses.
- Broad Voltage Range: Supports both 250V and 600V systems, enhancing its applicability across various electrical setups.
- Robust Construction: Crafted from high-quality copper to ensure reliable electrical conductivity and mechanical strength.
- Secure Fit: Designed to maintain strong mechanical and electrical contact, ensuring safety and performance.
- Compliance and Certification: UL Listed and CSA Certified, meeting stringent safety and performance standards.
Specifications
- Amperage Rating: 100A
- Voltage Rating: 250V/600V
- Fuse Size Compatibility: 35A to 60A fuses
- Fuse Block Size: 100A
- Material: Copper
- Dimensions: 2.5 in (L) x 1.8 in (W) x 1.4 in (H)
- Weight: 0.2 lb
Applications
The 216-R fuse reducer is ideal for electrical assemblies, panels, and OEM applications where there’s a need to adapt smaller fuses to larger fuse blocks without compromising safety or performance. Its design ensures compatibility with most panels and switches, including dead-front types.
Installation and Usage
Installing the 216-R is straightforward: it fits onto the fuse ferrules or blades, allowing a smaller fuse to be securely placed into a larger fuse block. This adaptability is particularly useful in scenarios where equipment modifications are necessary, but replacing the entire fuse block is impractical.
By utilizing the Cooper Bussmann 216-R fuse reducer, you can achieve greater flexibility in your electrical systems, ensuring optimal protection and functionality across various applications.

















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