Ratings that drive the selection
The 50 A rating holds at 35 °C ambient; derate to 47.6 A at 40 °C, 46.35 A at 45 °C, 45.1 A at 50 °C, 43.75 A at 55 °C, and 42.4 A at 60 °C. The housing is IP20 with conductors connected — protected against finger contact, not against moisture ingress. Designed for railway applications per the product designation, with a halogen-free and silicon-free construction. Suitable for mechanical engineering and general industry use. Sealable terminals allow lockout-tagout on the branch circuit without removing the breaker.