48H397 - Walter Replacement Motor Switch for Big-Buff III and Line-Mate III

Restore Precision Control with the Walter 48H397 Motor Switch

The Walter 48H397 Green Motor Switch is a critical replacement component designed specifically for the maintenance and repair of Walter Surface Technologies' high-performance finishing tools. As an Original Equipment Manufacturer (OEM) part, this switch is engineered to meet the exact electrical and mechanical specifications of the original component found in tools such as the Big-Buff III and Line-Mate III. Using genuine Walter parts is essential for maintaining the safety integrity of your power tools, ensuring that the start/stop mechanism functions reliably under the demanding conditions of industrial metalworking.

Electrical components in handheld power tools are subject to significant wear and tear due to frequent cycling, vibration, and exposure to conductive dust. The 48H397 switch is built to withstand these harsh environments, providing a tactile and responsive actuation that operators rely on for precise control. A failing switch can manifest as intermittent power delivery, failure to start, or dangerous inability to shut off the tool. Replacing a compromised switch with this genuine Walter unit restores the tool's operational safety and performance, protecting both the motor from irregular current and the operator from potential hazards.

This replacement module is designed for a direct fit, eliminating the need for modification during installation. It integrates seamlessly with the tool's internal wiring and housing, preserving the ergonomic design and weather-resistance of the equipment. Whether you are a tool crib manager maintaining a fleet of finishing tools or a technician performing a specific repair, the Walter 48H397 ensures that your premium equipment continues to deliver the superior surface finishing results associated with the Walter brand.

Key Technical Aspects:

• OEM Specification: Matches the voltage and amperage ratings of the original motor circuit.


• Durability: Contacts and housing designed to resist arcing and mechanical fatigue.


• Compatibility: Verified fit for specific Walter finishing machines (check model compatibility).