Velvac 036036 Pneumatic Stop Light Switch

The Velvac 036036 Pneumatic Stop Light Switch delivers a dependable brake-light signal from heavy-duty air-brake systems by activating when supply pressure reaches 3–5 PSI. It features a 1/4-inch NPT supply port and uses compressed air as the media, with an On/Off contact closure for the stop lamp circuit. This SL-4 style pressure switch is a direct replacement for Bendix 228600, making it suitable for OEM and aftermarket service in commercial trucks, buses, and trailers. Commonly used to control stop lamps in pneumatic brake circuits, it supports fleet maintenance and replacement of worn or malfunctioning brake pressure switches. Verified compatibility includes Bendix 228600, Truck-Lite 50882, and Tramec Sloan 38013, and it is designed for heavy-duty air brake systems across heavy-duty vehicle applications.