SIEMENS HED43M050 BRKR HED4 3P 480V 50A 50C Molded Case Circuit Breaker

The Siemens HED43M050 is a 3-pole molded case circuit breaker designed for industrial and commercial electrical distribution applications. Calibrated for 50°C operation, it supports 480V AC systems at 50/60 Hz frequency with a 50 ampere continuous current rating. This breaker is engineered for use in switchgear and panelboards, providing reliable protection by interrupting fault currents up to 42 kAIC. Its ED frame construction ensures compatibility with Siemens electrical equipment and accessories, making it a suitable choice for electrical distributors and lighting solutions requiring robust wire and cable protection.

Specifications

• Manufacturer: Siemens
• Manufacturer Part Number: HED43M050
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480V AC
• Current Rating: 50A
• Frequency Rating: 50/60 Hz
• Interrupt Rating: 42 kAIC
• Operating Temperature: 50¬∞C
• Dimensions (W x H x L): 7.0 in x 6 in x 4.0 in
• Product Weight: 3.5 lbs
• Application: Calibrated for 50¬∞C Application
• Actuator Type: Varying
• Enclosure Type: Varying
• UPC: 783643007178

Features

• Thermal-magnetic trip unit providing reliable overcurrent protection
• Non-interchangeable trip unit integrated in ED frame for enhanced safety and compliance
• Suitable for use in individual enclosures, panelboards, and switchboards
• Designed and tested according to UL489 and CSA C22.2 No. 5 standards
• Compatible with copper and aluminum wire connectors per UL486A and UL486B
• Manual operation with ON/OFF/TRIP handle positions and PUSH-TO-TRIP test button for field testing
• Installation hardware and wire connectors available separately for flexible mounting options

Downloads & Links

• Spec Sheet
• Spec Sheet