The Siemens HED43B070 is a high-performance molded case circuit breaker designed for robust protection in industrial and commercial electrical distribution systems. Built with a thermal magnetic non-interchangeable trip unit, it provides precise and reliable protection against overloads and short circuits, ensuring system stability and equipment safety. Its HED frame design combined with a bolt-on mounting configuration offers secure installation, mechanical strength, and long-term operational durability. Rated for 240VAC and 480VAC systems at 50/60Hz, this breaker is engineered for high fault current environments requiring strong interrupting capability and dependable performance.

Product Specifications

• Brand: Siemens / ITE
• Model: HED43B070
• Product Type: Molded Case Circuit Breaker (MCCB)
• Frame Type: HED
• Rated Current: 70 Ampere
• Number of Poles: 3 Pole
• Trip Unit Type: Thermal Magnetic Non-Interchangeable
• Mounting Type: Bolt On
• Frequency: 50/60Hz
• Application: Commercial and Industrial Power Distribution

Technical Specifications

• Interrupting Capacity: 100kA @ 240VAC
• Interrupting Capacity: 42kA @ 480VAC
• Maximum Voltage Rating: 480VAC
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Connection Type: Bolt-On Connection
• Frame Construction: Molded Case Design
• Standard Compliance: Industrial Circuit Protection Standards

Voltage and Ratings

• Rated Operational Voltage: 240VAC / 480VAC
• Frequency Rating: 50/60Hz
• Current Rating: 70A
• Pole Configuration: 3 Pole
• Interrupting Rating at 240VAC: 100 Kiloampere
• Interrupting Rating at 480VAC: 42 Kiloampere
• Maximum Voltage Capacity: 480VAC

Product Data

• Manufacturer: Siemens / ITE
• Product Series: HED Frame Style
• Product Condition Support: New Surplus & Certified Reconditioned
• Warranty: 1 Year In-House Warranty
• Installation Type: Bolt-On Mounting
• Product Use: Electrical Distribution and Protection Systems

Important Note

Product images are provided for identification purposes only and may represent a standard base model configuration. Accessories purchased with the breaker can be installed at no additional cost when complete configuration details are provided during checkout. Installation, servicing, and maintenance must be performed by qualified electrical personnel in accordance with applicable electrical standards and manufacturer guidelines. The included one-year warranty covers repairs, labor, replacement parts, and standard shipping required for recertification, excluding damage caused by misuse, improper installation, or normal wear and tear.

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You may return items within 30 days of delivery for a refund.

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