63FE FUSE 63AMP 690V

Description

The 63FE fuse is a high-speed (ultra rapid) semiconductor protection fuse (Class aR) built to interrupt very high fault currents safely and extremely quickly.

It uses a ceramic sand-filled body that absorbs arc energy during short-circuit conditions, protecting sensitive components like IGBTs, diodes, and converters.

Unlike standard fuses, it is not meant for general overload protection but for fast short-circuit protection of power electronics.

Key Features

• High-speed HRC fuse (aR semiconductor protection type)
• Rated current: 63A
• Voltage rating: 690V AC / 500V DC
• Very high breaking capacity: up to 200kA
• Ultra-fast fault interruption
• Designed for power electronics and drive systems
• Ceramic sand-filled body for arc suppression
• Low power loss in normal operation
• Stud/bolt type mounting (industrial fuse gear)
• Complies with IEC 60269-4 / BS88 standards

Specifications

• Product Type: High-Speed Semiconductor Fuse Link
• Model: 63FE
• Rated Current: 63A
• Rated Voltage: 690V AC / 500V DC
• Fuse Class: aR (partial range semiconductor protection)
• Breaking Capacity: 200kA
• Standard: IEC 60269-4 / BS88
• Body Type: Ceramic, sand-filled HRC construction
• Contact Type: Stud / bolted tags (industrial mounting)
• Dimensions: approx. 17.1 × 48 mm (body size, varies slightly by holder type)
• Power Dissipation: approx. 12W
• Application: VFD drives, rectifiers, inverters, UPS systems, DC common bus, industrial motor drives, semiconductor protection