SIEMENS ED43M045 BRKR ED4 3P 480V 45A 50C Molded Case Circuit Breaker

The SIEMENS ED43M045 is a 3-pole molded case circuit breaker designed for electrical distribution and protection in industrial and commercial applications. Calibrated for 50°C operation, this breaker is suitable for use in panelboards, switchboards, and other approved electrical equipment requiring reliable circuit interruption at 480V AC and 45A continuous current. It supports a frequency rating of 400 Hz, making it adaptable for specialized electrical systems. As a product from Siemens, a leading switchgear supplier, it integrates seamlessly into lighting solutions, wire and cable systems, and other electrical distribution frameworks.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: ED43M045
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480 V
• Current Rating: 45 A
• Frequency Rating: 400 Hz
• Interrupt Rating: 18 KAIC
• Operating Temperature: 50¬∞C
• Application: Calibrated for 50¬∞C Application
• Dimensions (W x H x L): 7.00 in x 6 in x 4.00 in
• Product Weight: 3.0 lbs
• Actuator: Varying
• Enclosure: Varying
• UPC: 783643317895

Features

• Non-interchangeable trip unit design consistent with ED frame breakers
• Thermal-magnetic trip mechanism for reliable circuit protection
• Compatible with 60¬∞C or 75¬∞C wire as per NEC and Canadian Electrical Code guidelines
• Supports reverse feed applications in compliance with UL 489 / CSA standards
• Manual operation with ON, OFF, and TRIPPED handle positions and PUSH-TO-TRIP button for testing
• Designed for mounting in individual enclosures, panelboards, and switchboards
• Meets applicable UL and CSA standards for molded case circuit breakers and enclosures

Downloads & Links

• Spec Sheet
• Spec Sheet