The Newmar PBA-30 30 AMP Push Breaker is a reliable circuit breaker designed for DC currents. With an operation method of On/Off and voltage ranging from 11-20V, this breaker is suitable for interior use in a variety of industrial and commercial settings. The pack includes 4 units, each with 1 pole and 2 positions. Its compact design and push-button operation make it easy to install and use, providing a safe and efficient solution for managing electrical circuits in your business or industrial setting.