Description
The ABB AJT200 is a 200 Amp Class J time-delay fuse engineered to provide dependable overcurrent and short-circuit protection in demanding HVAC, commercial, and industrial electrical applications. Designed to the exacting standards of the AJT series, this fuse offers the time-delay characteristics necessary to withstand harmless motor inrush and startup currents without nuisance tripping, while still responding rapidly to dangerous fault conditions.
Key Features
- 200 Amp current rating for high-capacity circuit protection
- Class J form factor — compact design for use in Class J fuse holders and disconnect switches
- Time-delay action accommodates motor startup inrush currents
- High interrupting rating for robust short-circuit protection
- Suitable for HVAC equipment, motor branch circuits, and industrial power distribution panels
- Manufactured by ABB, a globally recognized leader in electrical protection components
Applications
- HVAC rooftop units, air handlers, and packaged equipment
- Motor branch circuit protection
- Commercial and industrial electrical panels
- Disconnect switches and fused load centers
Why Choose ABB
ABB is a world leader in power and automation technologies, producing fuses and electrical protection components trusted by contractors and engineers across HVAC, industrial, and commercial markets. The AJT series is recognized for its precision engineering and consistent performance in critical protection roles.







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