Thermal Switch UL Round JB 3 1/4" & 4 In. Round Junction Box - Crown

TS150B - Crown Engineering - Thermal Switch UL for Round Junction Boxes

The TS150B Thermal Switch by Crown Engineering is a UL-listed safety device designed for use in 3¼-inch and 4-inch round junction boxes. It provides an essential layer of protection for fuel burner installations by automatically disconnecting power when ambient temperatures exceed a critical threshold.

Key Features:

• UL Listed: Certified for safety and reliability in industrial and residential applications.
• Automatic Shutoff: Cuts power to the burner when ambient temperature exceeds 165°F, helping prevent fire hazards.
• Compact Design: Fits standard 3¼" and 4" round junction boxes for easy installation.
• No Exposed Wires: Ensures safe operation with concealed electrical contacts when properly installed.
• Red Finish: High-visibility color for easy identification during maintenance.