Superior Electric SW77 Aftermarket 20 Amp Trigger On-Off Switch for Saws HD77, HD5525

The Superior Electric SW77 is a rugged, high-capacity 20-amp trigger on/off replacement switch designed for power tools—especially worm-drive saws. It features four internal terminals and supports both on/off control and variable-speed operation, along with electric braking functionality. Rated for 125 V / 250 V and 20 A / 10 A, it provides reliable performance under demanding conditions. This switch is engineered as a drop-in replacement for broken or worn-out OEM switches, restoring full functionality to your tool. It’s compatible with a wide range of Skil, Bosch, Ryobi, and Ridgid saw models, ensuring broad utility. Built with long-lasting internal components, the SW77 helps prolong tool life and reduce frequent replacements. Safety is enhanced through its precise terminal connections, minimizing the risk of electrical faults, and the design ensures smooth trigger action for better usability and control.