HED43B125 - 125A Circuit Breaker

HED43B125 - 125A Circuit Breaker

The Siemens HED43B125 Low Voltage Sentron Molded Case Circuit Breaker is a reliable and robust solution designed to protect electrical circuits from damage caused by overloads and short circuits. Engineered with a thermal-magnetic trip unit, this circuit breaker ensures precise protection and superior performance. With a standard 40°C breaker ED frame and high breaking capacity, the HED43B125 is ideal for demanding applications requiring robust and reliable protection.

Key Features and Benefits:

• Thermal-Magnetic Trip Unit: Ensures accurate and reliable circuit protection by responding promptly to overloads and short circuits.
• High Breaking Capacity: Can interrupt up to 42kAIC at 480V, providing superior protection in high fault current scenarios.
• Robust Design: The standard 40°C breaker ED frame ensures durability and reliable operation in demanding environments.
• Compliance: Meets UL 489 and IEC 60947-2 standards, ensuring adherence to international safety and performance requirements.
• Versatile Application: Suitable for a wide range of industrial and commercial settings, providing reliable circuit protection.

Technical Specifications:

• Ampere Rating: 125A
• Number of Poles: 3
• Breaking Capacity: 42kAIC at 480V
• Frame Type: ED Frame
• Dimensions (W x H x D): 3 x 6.35 x 3.92 inches
• Wire Range: 3 - 3/0 AWG (Copper) / 1 - 2/0 AWG (Aluminum)
• Special Features: Load lugs only (TA1E6125)
• Product Weight: 3.71 lbs

Material Compliance and Certifications:

• UL 489 Certified: Ensures the breaker meets high safety and performance standards.
• IEC 60947-2 Compliant: Adheres to international standards for low-voltage switchgear and controlgear.
• RoHS Directive Compliance: Meets the substance restrictions as per the RoHS directive since April 2, 2009.
• WEEE Take-Back Obligation: Complies with the Waste Electrical and Electronic Equipment (WEEE) directive 2012/19/EU.

Suitability:

• The Siemens HED43B125 Circuit Breaker is perfectly suited for applications requiring high reliability and safety.
• Its robust design and high breaking capacity make it ideal for protecting circuits in commercial buildings, industrial facilities, and critical infrastructure.
• Whether used in panelboards, switchboards, or other electrical distribution systems, this circuit breaker provides dependable protection and peace of mind, ensuring the continuous and safe operation of electrical systems.