SIEMENS ED43B090LSN BRKR ED4 3P 480V 90A LUG 120V ST Molded Case Circuit Breaker

The Siemens ED43B090LSN is a 3-pole molded case circuit breaker designed for standard 40°C applications. It is suitable for use in electrical distribution and lighting solutions, providing reliable overcurrent protection in industrial and commercial electrical systems. This breaker is equipped with line/load lugs installed, supports 480V AC operation, and includes a 120V control circuit. It is intended for integration by electrical distributors and switchgear suppliers as a key component of wire and cable protection systems.

Specifications

• Manufacturer: Siemens
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480V AC
• Current Rating: 90A
• Interrupting Rating: 18KAIC
• Frequency Rating: 50/60 Hz
• Operating Temperature: 40¬∞C
• Connection: Line/Load lugs installed
• Dimensions (W x H x D): 4.56 in x 6.35 in x 3 in
• Product Weight: 4.762 lbs
• Manufacturer Part Number: ED43B090LSN
• UPC: 783643200067
• Application: Standard 40¬∞C Breaker
• Enclosure: Varying
• Actuator: S01ED60 Accessory

Features

• Thermal-magnetic trip unit integrated for reliable circuit protection
• Non-interchangeable trip design consistent with Siemens ED frame breakers
• Line and load lugs factory installed for simplified wiring and installation
• Suitable for use in individual enclosures, panelboards, switchboards, or approved equipment
• Compatible with 60¬∞C or 75¬∞C wire per National Electrical Code requirements
• Designed and tested to meet UL 489 and CSA C22.2 No. 5 standards
• Supports reverse feed applications compliant with UL and CSA requirements for ED frame breakers
• Manual operation with ON, OFF, and TRIPPED handle positions and push-to-trip button for testing

Downloads & Links

• Spec Sheet
• Spec Sheet