SIEMENS ED43B125UN Molded Case Circuit Breaker 480V 125A

The SIEMENS ED43B125UN is a 3-pole molded case circuit breaker designed for use in electrical distribution systems requiring reliable protection up to 480V AC and 125A continuous current. Suitable for applications in panelboards, switchboards, and individual enclosures, this breaker supports industrial and commercial electrical installations. It is compatible with Siemens accessories and is engineered to meet UL 489 and CSA C22.2 No. 5 standards, making it a dependable component in lighting solutions, wire and cable protection, and as part of switchgear supplier offerings.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: ED43B125UN
• Frame: ED
• Number of Poles: 3
• Interrupt Rating: 18KAIC
• Operating Temperature: 40¬∞C
• Voltage Rating: 480V AC
• Current Rating: 125A
• Dimensions (W x H x L): 5.00 in x 7 in x 5.00 in
• Product Weight: 4.0 lbs
• Actuator: U01ED60 Accessory
• Enclosure: Varying

Features

• Complies with UL 489 and CSA C22.2 No. 5 standards
• Non-interchangeable trip unit design for enhanced safety and compliance
• Suitable for reverse feed applications due to non-removable trip unit
• Equipped with load side lugs; line side lugs available as accessories
• Thermal-magnetic trip unit for reliable overcurrent protection
• Manual operation with ON, OFF, and TRIPPED handle positions
• Push-to-trip button for manual testing of trip functionality
• Compatible with 60¬∞C or 75¬∞C wire per National Electric Code requirements
• Designed for use in a variety of electrical enclosures and switchgear assemblies

Downloads & Links

• Spec Sheet
• Spec Sheet