Bussmann, Eaton NO.663-R Reducer Class R 600V A Fuse - Essential Electric Supply
Bussmann, Eaton NO.663-R Reducer Class R 600V A Fuse - Essential Electric Supply

Bussmann NO.663-R - Class R Fuse Reducer 600V (CSA/UL)

Bussmann
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Bussmann NO.663-R is a Class R fuse reducer designed to adapt Class R fuse blocks to accept smaller Class J or RK1 fuses for coordinated branch circuit protection. It features a 600V AC/DC voltage rating and is constructed with a durable NO-R type body measuring 2.6 in x 1.4 in x 1.8 in (L/D x H x W) with a weight of 0.1 lb. The unit is CSA Certified (CLR47235) and UL Listed (E12853), ensuring compliance with North American safety standards for industrial electrical systems, including motor control centers and panelboards.

Key Features & Specifications
  • Type: NO-R fuse reducer for adapting Class R fuse blocks to Class J/RK1 fuses
  • Voltage Rating: 600V AC/DC
  • Dimensions: 2.6 in x 1.4 in x 1.8 in (Length/Depth x Height x Width)
  • Weight: 0.1 lb
  • Standards: CSA Certified (CLR47235), UL Listed (E12853)
  • Family: Class R
  • Country of Origin: Mexico


Product Identification
  • UPC: 05171261373
  • GTIN: 00051712613736