The 2-1393249-0 is a W58 series single-pole, push-to-reset thermal circuit breaker designed for series trip applications. It features a 10A current rating, operates at maximum voltages of 250VAC or 50VDC, and has an interrupt capacity of 1,000A at 250VAC and 2,000A at 50VDC. This model is configured with .250-inch straight quick-connect terminals, a 7/16-inch metal mounting bushing, and a white button that extends for visual trip indication. The breaker is calibrated to continuously carry 100% of its rated load and must trip at 145% of the rated load at 25°C. As a UL 1077 Recognized and CSA Accepted supplementary protector, it is suitable for various applications requiring reliable overcurrent protection.