SIEMENS ED43B040LSN BRKR ED4 3P 480V 40A LUG 120V ST Molded Case Circuit Breaker

The Siemens ED43B040LSN is a 3-pole molded case circuit breaker designed for standard 40°C applications. It provides reliable overcurrent protection in electrical distribution systems and is suitable for use in enclosures, panelboards, and switchboards. This breaker supports line and load lug connections and is rated for 480V AC operation at 40 amps, making it suitable for industrial and commercial electrical installations. Siemens, as a trusted electrical distributor and switchgear supplier, offers this breaker as part of its comprehensive lighting and wire and cable solutions portfolio.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: ED43B040LSN
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480V AC
• Current Rating: 40A
• Frequency Rating: 50/60 Hz
• Interrupt Rating: 18KAIC
• Connection: Line/Load lugs installed
• Operating Temperature: 40¬∞C
• Dimensions (W x H x L): 7.000 in x 6 in x 4.000 in
• Product Weight: 4.2 lbs
• Enclosure: Varying
• Actuator: S01ED60 Accessory
• UPC: 783643203518

Features

• Standard 40¬∞C thermal-magnetic trip unit suitable for general purpose circuit protection
• Line and load lugs factory installed for easy wiring and secure connections
• Non-interchangeable trip unit design ensuring compliance with UL 489 and CSA C22.2 No. 5 requirements
• Compatible with Siemens accessories and mounting hardware for flexible installation
• Supports reverse feed applications as per Siemens ED frame breaker standards
• Robust construction designed for use in individual enclosures, panelboards, and switchboards

Downloads & Links

• Spec Sheet
• Spec Sheet