Siemens ED43M025 – 25A 3 Pole Molded Case Circuit Breaker Top Pick

Engineered for marine and industrial applications, the Siemens ED43M025 is a 3-pole, 25A molded case circuit breaker delivering robust thermal-magnetic protection. This bolt-on breaker installs into Siemens Sentron panelboards and switchboards. It serves as a specialized alternative to the standard ED43B025 for high-temperature environments. Rated 18kA at 480VAC, it features a 50°C ambient calibration. The unit is HACR rated, reverse feed capable, and includes load-side lugs.