The Cooper Bussmann NO.216-R Class R Fuse Reducer is an essential accessory designed to adapt smaller Class R fuses for use in larger fuse blocks or holders. This reducer allows for the installation of 1-30A fuses rated at 600V or 35-60A fuses rated at 250V into 100A fuse blocks, ensuring versatility and compatibility across various electrical applications.
Key Features
- Versatile Compatibility: Accommodates FRN-R, LPN-RK, FRS-R, LPS-RK, KTN-R, and KTS-R series Class R fuses.
- Broad Voltage Range: Supports fuses rated at 250V and 600V, providing flexibility for different electrical systems.
- Robust Construction: Ensures strong mechanical and electrical contact, maintaining system integrity.
- Universal Fit: Compatible with most panels and switches, including dead-front types.
- Safety Compliance: UL Listed and CSA Certified, meeting industry standards for safety and performance.
Specifications
- Manufacturer Part Number: NO.216-R
- Voltage Rating: 250V/600V
- Fuse Block Size: 100A
- Fuse Size Range: 1-30A at 600V; 35-60A at 250V
- Dimensions: 2.5 in. (L) x 1.8 in. (W) x 1.4 in. (H)
- Material: Copper
- Weight: 0.2 lbs
Applications
Ideal for electrical assemblies, panels, and OEM applications where adapting smaller fuses to larger fuse blocks is necessary. The NO.216-R fuse reducer ensures reliable performance and safety in various industrial and commercial settings.
Installation Considerations
- Ensure compatibility with existing fuse blocks and fuses.
- Verify that the reducer fits securely to maintain proper electrical contact.
- Follow all safety guidelines and standards during installation.
By utilizing the Cooper Bussmann NO.216-R Fuse Reducer, you can effectively adapt smaller Class R fuses to fit larger fuse blocks, enhancing the flexibility and functionality of your electrical systems.

















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