SIEMENS ED43B050AESB Breaker ED4 3P 480V 50A 24V ST AUX - Molded Case Circuit Breaker

The SIEMENS ED43B050AESB is a standard 40°C rated molded case circuit breaker designed for three-pole electrical protection in industrial and commercial applications. Suitable for use by electrical distributors and switchgear suppliers, it operates at 480V AC with a 50A continuous current rating and 24V auxiliary voltage. This breaker supports 50/60 Hz frequency systems and features an interrupt rating of 18KAIC, ensuring reliable circuit interruption under fault conditions. Its compact ED frame design facilitates integration in panelboards, switchboards, and other approved enclosures.

Specifications

• Manufacturer: Siemens
• Frame: ED
• Application: Standard 40¬∞C Breaker
• Number of Poles: 3
• Voltage Rating: 480V AC
• Current Rating: 50A
• Frequency Rating: 50/60 Hz
• Interrupt Rating: 18KAIC
• Auxiliary Voltage: 24V
• Dimensions (W x H x L): 7.0 in x 6 in x 4.0 in
• Product Weight: 5.26 lbs
• Actuator: S07ED62A Accessory
• Enclosure: Varying

Features

• Thermal-magnetic trip unit integrated for reliable overcurrent protection
• Non-interchangeable trip unit design for enhanced safety and compliance with UL 489 and CSA standards
• Load side lugs supplied standard; option for line side lugs available
• Suitable for reverse feed applications per CSA C22.2 No. 5-13 / UL 489 standards
• Compact ED frame construction allows for efficient panelboard and switchboard installation
• Compliance with applicable UL and CSA certifications for molded case circuit breakers
• Manual operation with PUSH-TO-TRIP button for functional testing and maintenance

Downloads & Links

• Spec Sheet
• Spec Sheet