Bussmann JJN Series Class T Current-Limiting Fuse

Bussmann JJN Series Class T Current-Limiting Fuse

The Bussmann JJN Series is a genuine Eaton-manufactured, current-limiting, very fast-acting Class T fuse line available in amp ratings from 40A to 60A, purpose-built for large apartment complexes, multi-family meter stacks, and VFD line protection. Each non-indicating, standard fuse in the JJN Series clears high fault currents quickly to help safeguard branch circuits, meter equipment, and variable frequency drives in demanding multi-family and commercial installations. Select the 40A or 60A rating to match your branch circuit or VFD line requirements, and count on genuine Bussmann construction for dependable, code-compliant overcurrent protection in tight meter stack and panelboard fuse block spaces. Electrical contractors and property managers rely on the JJN Series for straightforward, like-for-like replacement when servicing commercial and multi-family electrical systems.

Key Features

• Amp Rating: Available in 40A and 60A ratings, sized for meter stack and VFD branch circuit protection.
• Fuse Class: Class T current-limiting fuse construction for fast clearing of high fault currents.
• Very Fast-Acting: Current-limiting, very fast-acting time-current response helps protect downstream conductors and equipment from damaging fault energy.
• Non-Indicating, Standard: Standard non-indicating fuse body for straightforward like-for-like replacement in existing fuse blocks.
• Compact Dimensions: The 40A model measures 0.88 x 0.56 x 0.56 in (L x W x H), fitting tight meter stack and enclosure spaces.
• Space-Saving, Lightweight Build: The 40A model weighs approximately 0.3 lb, supporting high-density meter stack and panelboard fuse block layouts.
• Genuine Bussmann: Manufactured as genuine Bussmann JJN Series fuses by Eaton, ensuring consistent fit and performance versus generic substitutes.

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Large Apartment Complexes
• Multi-Family Meter Stacks
• VFD Line Protection
• Commercial and Multi-Family Panelboards
• Branch Circuit Overcurrent Protection

Why Bussmann?

Bussmann by Eaton is a long-trusted name in circuit protection, and the JJN Series Class T fuse line reflects that reliability with genuine current-limiting, very fast-acting construction available in 40A and 60A ratings. For electricians and property managers protecting multi-family meter stacks and VFD lines, the Bussmann JJN Series delivers dependable, standard non-indicating overcurrent protection built for the demands of commercial and multi-family electrical systems. Choosing genuine Bussmann JJN Series fuses helps ensure consistent, code-compliant performance across every meter stack and panelboard in a property.