SIEMENS HED43M025 BRKR HED4 3P 480V 25A 50C Molded Case Circuit Breaker

The Siemens HED43M025 is a 3-pole molded case circuit breaker designed for use in electrical distribution systems requiring reliable overcurrent protection. Calibrated for 50°C application, this breaker is suitable for panelboards, switchboards, and individual enclosures, making it a precise solution for electrical distributors and switchgear suppliers. It supports 480V operation at 25 amps and is compatible with 50/60 Hz frequency systems. The device meets UL489 and CSA C22.2 No. 5 standards, ensuring compliance with North American electrical codes.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: HED43M025
• Frame: ED
• Number of Poles: 3
• Voltage Rating: 480 V
• Current Rating: 25 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
• Application: Calibrated for 50¬∞C Application
• Actuator Type: Varying
• Enclosure Type: Varying
• UPC: 783643007123

Features

• Non-interchangeable trip unit integrated in ED frame for enhanced safety and compliance with UL 489 / CSA C22.2 No. 5 requirements
• Thermal-magnetic trip unit providing reliable protection against overload and short circuits
• Suitable for use in 3-phase electrical systems with 50/60 Hz frequency
• Designed for easy mounting and connection in switchgear and panelboard applications
• Supports 42 kA interrupting capacity for high fault current environments
• Compatible with copper and aluminum wiring per UL486A and UL486B standards
• Manual operation includes ON, OFF, and TRIP positions with a push-to-trip test button (per ED frame design)

Downloads & Links

• Spec Sheet
• Spec Sheet