SIEMENS ED43B050AESA Breaker ED4 3P 480V 50A 12V ST AUX Molded Case Circuit Breaker

The SIEMENS ED43B050AESA is a 3-pole molded case circuit breaker designed for standard 40°C breaker applications. It is suitable for use in electrical distribution systems requiring reliable protection at 480V and 50 amperes. This breaker is ideal for panelboards, switchboards, and individual enclosures supplied by electrical distributors and switchgear suppliers. It integrates with lighting solutions and wire and cable systems requiring high interrupt ratings and frequency adaptability.

Specifications

• Manufacturer: Siemens
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480V AC
• Current Rating: 50A
• Interrupt Rating: 18 kAIC
• Frequency Rating: 50/60 Hz
• Operating Temperature: 40¬∞C
• Dimensions (W x H x L): 5.000 in x 7 in x 5.000 in
• Product Weight: 5.26 lbs
• Actuator: A01ED62 and 12Vdc Shunt Trip Accessories
• Enclosure: Varying
• UPC: 783643463011
• Manufacturer Part Number: ED43B050AESA

Features

• Standard 40¬∞C thermal-magnetic trip unit for reliable protection
• Non-interchangeable trip unit design for enhanced safety and compliance with UL 489 / CSA C22.2 No. 5
• Suitable for reverse feeding applications due to non-removable trip unit
• Compatible with 12V DC shunt trip accessories for remote operation
• Load side lugs installed for ease of wiring (typical for ED frame breakers)
• Designed and tested to meet UL489 and CSA C22.2 No. 5 standards
• Supports wiring with 60¬∞C or 75¬∞C rated wire as per NEC and Canadian Electrical Code

Downloads & Links

• Spec Sheet
• Spec Sheet