SIEMENS HED43M045 BRKR HED4 3P 480V 45A 50C Molded Case Circuit Breaker

The Siemens HED43M045 is a 3-pole molded case circuit breaker designed for use in electrical distribution and switchgear applications. Calibrated for 50°C ambient temperature, it operates at 480 volts AC with a continuous current rating of 45 amps. This breaker is suitable for industrial and commercial electrical systems requiring reliable overcurrent protection and is compatible with Siemens ED frame equipment. It features a thermal-magnetic trip unit and supports 50/60 Hz frequency operation with an interrupt rating of 42 kAIC, ensuring safe interruption of fault currents.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: HED43M045
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480 V AC
• Current Rating: 45 A
• Frequency Rating: 50/60 Hz
• Interrupt Rating: 42 kAIC
• Operating Temperature: 50¬∞C
• Dimensions (W x H x L): 7 in x 6 in x 4 in
• Product Weight: 3.5 lbs
• Actuator Type: Varying
• Enclosure Type: Varying
• UPC: 783643007161

Features

• Calibrated for 50¬∞C ambient temperature applications
• Thermal-magnetic trip unit providing reliable overcurrent protection
• Suitable for use in individual enclosures, panelboards, and switchboards
• Compliant with applicable UL 489 and CSA C22.2 No. 5 standards
• Non-interchangeable trip unit design consistent with ED frame breakers
• Compatible with 60¬∞C or 75¬∞C wire as per National Electric Code requirements
• Includes manual operation with ON, OFF, and TRIP handle positions and a PUSH-TO-TRIP button for testing
• Mounting hardware and wire connectors available as separate catalog items

Downloads & Links

• Spec Sheet
• Spec Sheet