Siemens | GG0123RN | Circuit Breaker | 3-Pole

Siemens GG0123RN 3-Pole Circuit Breaker is the precise solution for protecting three‑phase electrical systems with an original Siemens component. Designed for accuracy and reliability, this 3‑pole breaker is the go‑to choice for maintenance, retrofit, and replacement projects where matching specs is essential.

• Exact compatibility reference – The part number GG0123RN serves as the best guide to ensure you’re selecting the correct breaker for your Siemens installation.
• 3‑pole configuration – Ideal for three‑phase systems, providing consistent protection across all three conductors in compatible panels.
• Versatile use cases – Perfect for routine maintenance, panel retrofits, or replacing a failed breaker where exact specifications are required.
• Important ordering note – Confirm fit and ratings before ordering to avoid mismatches and downtime.

This part is especially valuable for:

• Electrical technicians performing service on Siemens panels
• Facilities teams managing three‑phase commercial or industrial electrical systems
• Project engineers and OEMs integrating Siemens protection components into existing installations

Why choose the GG0123RN for your project? It’s a genuine Siemens component, designed to align with Siemens panels and protection schemes. By using the exact part number as your compatibility reference, you reduce guesswork and ensure a smoother maintenance or upgrade path.

Tips for reliable replacement – Have the panel model and current setup in hand, verify that the 3‑pole configuration matches your existing system, and keep the part number GG0123RN on file as the definitive compatibility reference. With this approach, you’ll minimize installation risk and keep your Siemens electrical system protected and running smoothly.