Description
The ABB AJT15 is a 15-amp, 600-volt Class J time-delay fuse engineered to provide dependable overcurrent and short-circuit protection in HVAC equipment, motor control panels, and commercial electrical systems. The time-delay design allows motors and other inductive loads to handle normal startup inrush currents without nuisance tripping, while still responding rapidly to sustained overloads and short-circuit faults.
Key Features
- 15-amp ampere rating for precise circuit protection
- 600-volt AC voltage rating suitable for commercial and industrial applications
- Class J form factor — compact dimensions with high interrupting capacity
- Time-delay action accommodates motor startup inrush currents
- Fast-acting response to short-circuit and sustained overload conditions
- Current-limiting design helps reduce arc flash energy and equipment damage
- Manufactured by ABB, a globally recognized leader in electrical protection components
Specifications
- SKU: AJT15
- Brand: ABB
- Ampere Rating: 15A
- Voltage Rating: 600V AC
- Fuse Class: J (Time-Delay)
Applications
- HVAC motor control circuits and disconnect switches
- Commercial and industrial electrical panels
- Compressor and fan motor branch circuit protection
- Control panel fuse blocks requiring Class J fuses







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