Siemens 3TX71443L6 Circuit Breaker, 25A, 3-Pole, 480V

Designed for demanding industrial environments, the Siemens 3TX71443L6 circuit breaker delivers precise overcurrent protection for three-phase systems at up to 480V. This 25A, 3-pole device is built to stand up to frequent maintenance cycles and demanding service applications, making it a dependable choice for panel upgrades, replacements, and ongoing electrical maintenance projects.

Why this Siemens 3TX71443L6 stands out

• Exact part number compatibility — Use the Siemens 3TX71443L6 to ensure a seamless fit in your existing panels and switchgear. Verify fit by part number and application requirements to avoid compatibility gaps.
• Three-pole protection for 480V systems — Specifically designed for three-phase distributions, protecting motors, drives, and other heavy-duty equipment powered by 480V.
• Compact, reliable 25A protection — Provides precise current limitation for everyday loads while safeguarding equipment from overcurrent events.
• Industrial-grade durability — Built to endure the rigors of routine maintenance, outages, and field replacements in manufacturing, processing, and logistics environments.
• Streamlined maintenance workflow — A genuine Siemens part that simplifies sourcing, reduces downtime, and fits into established replacement procedures without custom adaptations.

Ideal use cases

Perfect for panel rebuilds, motor control centers (MCCs), and distribution panels in factories, warehouses, and facilities with 480V three-phase power. Use as a reliable replacement for aging breakers on lines that drive conveyors, pumps, fans, and other critical equipment where consistent tripping behavior matters.

Installation and compatibility tips

To ensure proper function, confirm that your application requirements align with the breaker's specifications—specifically the 480V voltage rating and 3-pole configuration. If you're unsure about fit or compatibility with your panel, message us and we’ll help verify whether 3TX71443L6 is the right choice for your application.

What you receive

Siemens 3TX71443L6 circuit breaker — a genuine part ready for integration into your electrical system. Remember to verify fit by part number and application requirements prior to purchase to ensure optimal performance and reliability.