FD63B125 - 125Amp Circuit Breaker

FD63B125 - 125Amp Circuit Breaker

The Siemens FD63B125 is a robust low-voltage Sentron molded case circuit breaker designed to deliver reliable performance and enhanced protection for electrical systems. Equipped with a thermal-magnetic trip unit, this breaker ensures optimal protection against overloads and short circuits. With a standard FD frame and a breaking capacity of 22kA at 600V and 35kA at 480V, the FD63B125 provides exceptional performance in demanding environments.

Key Features and Benefits

• Thermal-Magnetic Trip Unit: Combines both thermal and magnetic tripping mechanisms for enhanced protection against overloads and short circuits.
• High Breaking Capacity: Capable of interrupting currents up to 22kA at 600V and 35kA at 480V, ensuring safety and reliability in high-demand settings.
• Versatile Installation: Comes with line and load side lugs (TA1FD350A) that support a wide wire range from 6AWG to 350KCM (CU) and 4AWG to 350KCM (AL).
• Durable Construction: Built to withstand harsh industrial environments, providing long-lasting performance and reliability.

Technical Specifications

• Rated Current: 125A
• Number of Poles: 3
• Breaking Capacity: 22kA at 600V, 35kA at 480V
• Frame Type: FD Frame
• Dimensions: 4.5 x 9.5 x 4 inches (W x H x D)
• Weight: 10.516 lbs
• Wire Range: 6AWG - 350KCM (CU), 4AWG - 350KCM (AL)

Material Compliance and Certifications

• The Siemens FD63B125 circuit breaker is compliant with the RoHS directive since July 18, 2019, ensuring it meets stringent environmental and safety standards. Additionally, it fulfills the requirements of the WEEE directive, ensuring responsible disposal and recycling of electrical equipment. The product is also classified under various industry standards, including eClass, ETIM, and UNSPSC, highlighting its adherence to global classification systems.

Suitability

• The FD63B125 circuit breaker is ideal for a wide range of applications, including industrial facilities, commercial buildings, and critical infrastructure projects. Its high breaking capacity and reliable performance make it suitable for protecting electrical systems in environments where safety and operational continuity are paramount. Whether used in manufacturing plants, data centers, or large commercial installations, the FD63B125 delivers the protection and reliability that professionals demand.

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