General Electric | TB43125AF14 | Circuit Breaker | 3-Pole | 600V

Engineered for reliability in three-phase power systems, the General Electric TB43125AF14 circuit breaker is a genuine, purpose-built component for maintenance, retrofit, or replacement projects that require exact specifications.

Key specifications at a glance

• Pole configuration: 3-Pole – ideal for protecting three-phase circuits and motors.
• Voltage rating: 600V nominal system voltage, suitable for a wide range of commercial and industrial applications.
• Part-centric compatibility: TB43125AF14 is the best reference for matching hardware in GE equipment and compatible panels.
• Intended use: Designed for maintenance, retrofit, and replacement where matching specs are required.
• Identification: Use the exact part number TB43125AF14 to verify fit and avoid mismatches.

Why this breaker stands out

• Genuine GE component, ensuring electrical characteristics align with existing assemblies and trip behavior.
• Three-Phase protection helps minimize unbalanced loads and protect motors, pumps, compressors, and other three-phase equipment.
• 600V rating provides flexibility in common commercial/industrial power distribution scenarios while staying within safe operating margins.
• Reliable replacement option that preserves system uptime when you need to swap a failed unit or upgrade an aging panel.

Practical guidance for installation and compatibility

• Before ordering, confirm fit and ratings against your existing panel or gear. The TB43125AF14 part number is your best compatibility reference.
• Keep a record of the part number in your maintenance logs to streamline future replacements and audits.
• When replacing, ensure the mechanical fit, electrical ratings, and trip characteristics match the original component to avoid performance gaps.

Ideal for technicians and facility managers maintaining commercial buildings, manufacturing lines, or data-center infrastructure that operate on three-phase power, this TB43125AF14 circuit breaker helps you protect equipment, improve safety, and maintain uptime without guesswork. Its GE-origin design and exact part reference give you confidence that your retrofit or replacement aligns with your system’s intended protection profile.