The AC Fuse/fusible core/Base Plate with model numbers 170M4116 and 170M4266 (170M4116) is a protective component for AC electrical systems. - Key function: Thermal cutoffs protect against overheating. The AC Fuse guards against excessive current. The fusible core is designed to melt under fault conditions to prevent damage. The Base Plate provides a stable mounting foundation for reliable operation of these components. - Why you need it: Provides overcurrent and thermal protection to reduce risk of wiring damage, component failure, and fire in critical circuits. - Compatibility and fit: Designed for use with models 170M4116 and 170M4266; ensures correct sizing and alignment in compatible assemblies. - Use scenarios 1) Control panels in industrial equipment to protect controllers and drives 2) HVAC power circuits and motor drive assemblies to safeguard motors and electronics 3) Power input modules in consumer appliances to interrupt fault currents - Performance details: Thermal cutoffs enable automatic shutdown on overheating. The fusible core interrupts current when a fault occurs. The Base Plate ensures stability and consistent electrical contact for reliable operation.