The AllPoints Foodservice Parts & Supplies 42-1256 is a reliable push button test switch designed for efficient operation in various electrical applications. This round switch features a 1/2 SP configuration and an easy-to-use (M) on/off mechanism. It serves as a direct replacement for Carling model P26B1DBLARMN3030BLK.s and Keating models 004304 and 4304, ensuring compatibility and seamless integration into existing systems. Ideal for foodservice equipment, this switch enhances functionality and provides dependable performance in demanding environments.