Merlin Gerin | 46966 | Circuit Breaker | 1000A | 3-Pole | 600V

Merlin Gerin 46966 Circuit Breaker delivers dependable, high-current protection for demanding 600V three-phase systems. This 3-pole unit is engineered for reliability in maintenance, retrofit, and replacement scenarios, providing a precise match to existing Merlin Gerin infrastructure and ensuring seamless integration into established panels.

With a 1000A current rating, a 3-pole configuration, and a 600V rating, the 46966 is built to handle the demanding loads of industrial environments while maintaining clear, trip‑clear protection for each phase. When your goal is to restore or upgrade critical circuits without compromising compatibility, this model stands out for its proven performance and straightforward applicability.

Key specifications

• Current rating: 1000A
• Poles: 3-Pole
• Voltage: 600V
• Part reference: Merlin Gerin 46966

Why choose this model

This breaker is not just a generic high-current device; it is a purpose-built match for Merlin Gerin panels and assemblies that rely on the 46966 ordering reference. The exact part number simplifies compatibility checks, reduces downtime during replacements, and ensures you keep your protection scheme aligned with the original design intent. A three-pole setup helps maintain balanced protection across all phases, which is crucial for preventing phase‑to‑phase faults in heavier electrical loads.

Ideal use cases

• Routine maintenance on large 600V, three-phase feeder circuits
• Retrofits to refresh aging Merlin Gerin installations while preserving cabinet and busbar geometry
• Replacements in panels where the 46966 form factor and ratings are specified

Practical guidance

Before placing an order, verify that your equipment accepts the 46966 with the same mounting footprint and bus configuration. Keep the part number 46966 handy as the most reliable reference for compatibility. Installations should be performed by qualified personnel following the manufacturer’s instructions and local electrical codes to ensure safe, effective protection.

What problems this solves

• Reliable protection for high-current, 600V three-phase systems
• Clear, low-risk replacement path with a defined part reference to minimize compatibility issues
• Reduced downtime during maintenance or upgrades thanks to a known, compatible component