SIEMENS ED43B090LAF BRKR ED4 3P 480V 90A LUG 480V AUX Molded Case Circuit Breaker

The Siemens ED43B090LAF is a 3-pole molded case circuit breaker designed for standard 40°C applications. Rated for 90 amps at 480 volts AC, it offers reliable overcurrent protection for electrical distribution systems. This breaker is equipped with line and load lugs installed, suitable for use in enclosures, panelboards, or switchboards. It operates at a frequency rating of 50/60 Hz and has an interrupting rating of 18 kAIC, making it appropriate for commercial and industrial electrical installations. The ED frame breaker is compatible with Siemens accessories and supports secure mounting and connection in wire and cable systems.

Specifications

• Manufacturer: Siemens
• Model Number: ED43B090LAF
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480 V AC
• Current Rating: 90 A
• Interrupting Rating: 18 kAIC
• Frequency Rating: 50/60 Hz
• Operating Temperature: 40¬∞C
• Connection: Line/Load lugs installed
• Dimensions (W x H x L): 7.00 in x 6 in x 4.00 in
• Product Weight: 4.2 lbs
• Enclosure: Varying
• Actuator: A01ED64 Accessory
• UPC: 783643199422

Features

• Standard 40¬∞C rated molded case circuit breaker for reliable protection
• Line and load lugs factory installed for ease of wiring
• Non-interchangeable trip unit integrated in ED frame for enhanced safety and compliance
• Compatible with Siemens ED frame accessories and mounting hardware
• Designed to meet UL 489 and CSA C22.2 No. 5 standards for molded case circuit breakers
• Suitable for use in electrical distribution systems requiring 3-pole, 480V protection
• Supports manual operation with push-to-trip functionality for testing and maintenance
• Compact dimensions facilitate installation in panelboards and switchgear assemblies

Downloads & Links

• Spec Sheet
• Spec Sheet