Bussmann NO.663 - Class H Fuse Holder 600V/600A (UL94V-0 Thermoplastic)

Bussmann NO.663 is a cartridge fuse holder designed for secure mounting and electrical protection in industrial circuits. It features a 600V AC/DC voltage rating and accommodates Class H fuses up to 600A, constructed with durable copper alloy contacts and UL94V-0 flame-retardant thermoplastic housing. The unit meets CSA (CLR47235) and UL (E12853) safety standards for overcurrent protection in demanding environments. Typical applications include motor control centers, switchgear, and power distribution panels requiring reliable fuse mounting solutions.

Key Features & Specifications

• Type: Class H fuse holder for cartridge fuses
• Voltage Rating: 600V AC/DC
• Current Rating: 600A maximum
• Dimensions: 4.25" L x 2.5" W x 1.75" H (108mm x 64mm x 44mm)
• Standards: CSA Certified (CLR47235), UL Listed (E12853)
• Applications: Industrial power distribution, motor controls, switchgear
• Material: Copper alloy contacts, thermoplastic housing
• Mounting: Panel or DIN rail installation
• Temperature Rating: -40°C to 75°C (-40°F to 167°F)
• Certification: UL94V-0 flame rating

Product Identification

• UPC: 05171233112
• GTIN: 00051712331128