Siemens | 3RV1031-4GA10 | Circuit Breaker | 45A | 3-Pole

Meet the Siemens 3RV1031-4GA10, a dedicated three-pole circuit breaker rated at 45A, engineered for reliable protection of your three‑phase electrical circuits. This is a genuine Siemens replacement part designed for maintenance, retrofit, and replacement tasks where exact specifications matter.

• Amperage: 45 A
• Poles: 3-Pole
• Part number: 3RV1031-4GA10 — the best reference for compatibility
• Ideal for: maintenance, retrofits, and replacements in Siemens panels and compatible systems
• Compatibility reminder: Confirm fit and ratings before ordering to ensure seamless integration with your current panel or switchgear

Why choose this model? It’s specifically built to protect three-phase systems, helping prevent costly downtime from overloads and faults in motors, pumps, conveyors, and other industrial equipment. By sticking to the exact Siemens part number, you gain peace of mind that the breaker will drop in without modification, maintaining electrical protection coordination and system reliability.

Practical use cases include:

• Replacing a failed breaker in an existing Siemens installation to restore normal operation quickly
• Retrofit projects where a 3‑pole, 45A protection scheme matches the system’s load profile
• New or upgraded panels requiring a genuine Siemens three-phase 45A breaker for consistent performance

Notes for procurement and planning:

• Use the exact part number 3RV1031-4GA10 to verify compatibility with your panel, cabinet, or switchgear
• Before purchase, double-check your system’s required amperage, pole configuration, and any manufacturer-specific installation guidance
• As a trusted Siemens component, this breaker delivers dependable protection and long-term serviceability within compatible electrical architectures