SIEMENS ED43B125LSN BRKR ED4 3P 480V 125A LUG 120V ST Molded Case Circuit Breaker

The Siemens ED43B125LSN is a 3-pole molded case circuit breaker designed for standard 40°C applications. It is suitable for use in electrical distribution systems requiring reliable overcurrent protection at 480V AC and 125A continuous current rating. This breaker features line and load lugs installed for secure connections and supports a frequency rating of 50/60 Hz. It is commonly used by electrical distributors, lighting solutions providers, wire and cable suppliers, and switchgear suppliers for panelboards, switchboards, and individual enclosures.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: ED43B125LSN
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480V AC
• Continuous Current Rating: 125A @ 40¬∞C
• Interrupt Rating: 18 kAIC
• Frequency Rating: 50/60 Hz
• Connection: Line/Load lugs installed
• Height: 7 in
• Width: 5.000 in
• Length: 5.000 in
• Product Weight: 5.47 lbs
• Actuator: S01ED60 Accessory
• Operating Temperature: 40¬∞C
• Enclosure: Varying
• UPC: 783643414655

Features

• Standard 40¬∞C breaker suitable for general industrial and commercial applications
• Supplied with load side lugs; line side lugs installed for ease of wiring
• Non-interchangeable trip unit design for enhanced safety and compliance with UL 489 and CSA standards
• Compatible with Siemens ED frame panelboards and switchboards
• Thermal-magnetic trip type providing reliable overcurrent protection
• Supports reverse feeding in compliance with UL 489 / CSA C22.2 No. 5 requirements
• Compact dimensions facilitate installation in varied electrical enclosures

Downloads & Links

• Spec Sheet
• Spec Sheet