WOHNER HB33421 QCC Class J HOFFMAN ENCLOSURE

Description:

The WOHNER HB33421 QCC Class J Hoffman Enclosure is used in industrial power distribution systems for housing and protecting Class J fuse holder assemblies within low-voltage electrical control and distribution panels. Commonly installed in switchgear assemblies, motor control centers, industrial automation panels, and machine control cabinets requiring enclosed fuse protection and safe power distribution. Maintenance teams, panel builders, and system integrators use this enclosure assembly for circuit protection upgrades, retrofit projects, replacement of damaged fuse assemblies, and industrial electrical panel construction.

Applications:

The WOHNER HB33421 QCC Class J enclosure assembly is widely used in industrial environments requiring reliable overcurrent protection and enclosed fuse distribution for branch circuits, motors, transformers, and industrial equipment. It is commonly integrated into industrial automation systems, MCC panels, OEM machinery, and low-voltage switchgear applications where Class J fuse protection and modular busbar-mounted distribution systems are used to improve electrical safety, maintenance accessibility, and compact panel layouts.

Technical Specifications:

• Brand: WOHNER / Hoffman
• Part Number: HB33421
• Product Type: QCC Class J Fuse Holder Enclosure
• Fuse Compatibility: Class J Fuses
• Current Rating: 30A
• Voltage Rating: 600V AC
• Pole Configuration: 3 Pole
• Fuse Holder Type: Busbar Mounted Fuse Holder
• System Compatibility: 60Classic Busbar Systems
• Connection Type: Top or Bottom Box Terminal Connection
• Fuse Size Compatibility: 21x57mm Class J Fuses
• Short Circuit Current Rating: 200 kA RMS Symmetrical
• Mounting Type: Busbar / Panel Mount
• Application Type: Industrial Circuit Protection
• Industry Applications: Switchgear, MCC Panels, Industrial Automation, Power Distribution

Common Replacements:

• WOHNER 33421000
• Siemens Class J Fuse Holder Assembly
• ABB Class J Fuse Holder Enclosure