HED43B045 - 45A Circuit Breaker

HED43B045 45A Circuit Breaker

The Siemens HED43B045 is a premium low-voltage Sentron molded case circuit breaker designed for demanding applications that require robust protection and reliable performance. This 3-pole breaker, with a 45A rating and a high breaking capacity of 42KAIC at 480V, ensures your electrical systems are safeguarded against overloads and short circuits. Its thermal-magnetic trip unit provides precise and efficient operation, making it suitable for both commercial and industrial environments.

Key Features and Benefits:

• High Breaking Capacity: Capable of handling up to 42KAIC at 480V, the HED43B045 offers superior protection in high-demand scenarios.
• Thermal-Magnetic Trip Unit: Ensures accurate and efficient response to overloads and short circuits, enhancing system safety.
• Durable Construction: Designed with robust materials, this breaker offers longevity and reliability in harsh environments.
• Compliance: Meets UL 489 and IEC 60947-2 standards, ensuring it adheres to strict safety and performance criteria.
• Load Lugs Only: Equipped with load lugs (LN1E100), supporting wire ranges from 10 to 1/0 AWG (CU/AL), facilitating easy and secure connections.

Technical Specifications:

• Frame Type: ED
• Amperage: 45A
• Poles: 3
• Breaking Capacity: 42KAIC at 480V
• Dimensions: 3 x 6.35 x 3.92 inches (W x H x D)
• Wire Range: 10 - 1/0 AWG (Copper/Aluminum)
• Weight: 3.6 lbs
• Operating Temperature: Standard 40°C

Material Compliance and Certifications:

• The Siemens HED43B045 circuit breaker is RoHS compliant since April 2, 2009, ensuring it is free from hazardous substances. It also adheres to the WEEE directive (2012/19/EU) for electronic waste management, making it a responsible choice for environmentally conscious operations.

Suitability:

• Ideal for use in commercial and industrial electrical systems, the Siemens HED43B045 is perfect for applications requiring high reliability and safety. Its high breaking capacity and compliance with stringent standards make it suitable for protecting critical infrastructure, machinery, and installations.