Description
The Littelfuse 0JTD040.T delivers dependable overcurrent protection for industrial and commercial electrical systems. This 40-amp Class J dual-element time delay fuse is rated for 600V AC and engineered to handle the short-duration inrush currents typical of motor and transformer startups — without nuisance blowing. Its current-limiting design minimizes equipment damage during fault conditions, while its high interrupting capacity ensures robust short-circuit protection in demanding power distribution environments. The compact cartridge-style form factor makes it an efficient fit for tight panel layouts, and its proven reliability makes it a trusted choice for motor circuit, HVAC, and control circuit applications.
Key Features
- 40-amp rating with 600V AC overcurrent protection capability
- Class J dual-element time delay design tolerates motor and transformer inrush currents
- High interrupting capacity for reliable industrial fault protection
- Current-limiting construction reduces downstream equipment damage during faults
- Suitable for motors, transformers, HVAC systems, and control circuits
- Compact cartridge form factor optimizes panel space and installation efficiency
- Built for consistent, long-term performance in demanding industrial environments
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