Rated voltage: 10-15KV
Rated current: 100A, 200A
Breaking current: 8/10 kA
Power frequency withstand voltage (kV): 40kV
Critical Components of MV Drop-Out Fuse Cutouts
Understanding the key parts of a fuse cutout is essential for optimizing overhead line protection and improving fault-clearing performance:
Protective Fuse Element
The core fuse cutout component is the fuse link itself. Engineered to melt at a predetermined overcurrent threshold, this protective fuse element safely interrupts fault currents, preventing equipment damage and line failures.
Insulated Cutout Body
Housed in a robust, weather-resistant insulating material, the cutout body provides essential electrical isolation and structural support. Its durable design withstands UV exposure, temperature extremes, and environmental contaminants.
Drop-Out Arm Mechanism
Integrated with a spring-loaded, hinged movable arm, the drop-out mechanism physically disconnects the circuit when the fuse blows. This visible indicator not only guarantees rapid fault isolation but also alerts maintenance teams to replace the fuse link promptly.