The Square D EH34020 Circuit Breaker is a reliable and efficient electrical component designed for commercial and industrial applications. With a maximum amperage of 20A and operating temperature of 80°C, it offers thermal overload protection to prevent overheating. This 3-pole circuit breaker features a triple pole single throw contact configuration, making it easy to switch on and off. The black plastic construction and switch control style ensure durability and convenience. With a voltage rating of 480Y/277VAC, this Square D circuit breaker is a dependable choice for protecting electrical circuits.