Square D RLA36100CU31A 31A 3-Pole 600 V Circuit Breaker

Meet the Square D RLA36100CU31A 31A 3-Pole 600 V Circuit Breaker — a purpose-built protector for three-phase electrical systems up to 600 volts. Designed for reliability in commercial and industrial environments, this breaker delivers precise overload and short-circuit protection, helping to keep equipment running and downtime to a minimum.

engineered for three-phase protection, the RLA36100CU31A consolidates protection across all three conductors in a single, compact unit. With a 31 A current rating and a 3-pole configuration, it is an ideal fit for 600 V distribution setups that demand robust, balanced protection in one component. This model is specifically suited to Square D panel boards and distribution systems that require a dependable 3-pole breaker with a 600 V rating.

• Current rating: 31 A
• Poles: 3
• Voltage rating: 600 V
• Part number: RLA36100CU31A
• Brand/line: Square D

Who should consider this breaker?

Ideal for facilities with three-phase machinery, commercial HVAC systems, pumps, conveyors, and industrial equipment that operate up to 600 V. It’s a smart replacement or upgrade choice for existing Square D installations needing reliable 3-pole protection, and a practical spare for maintenance inventories in service cabinets.

What makes the RLA36100CU31A stand out

• Dedicated 3-pole protection: Ensures synchronized protection across all phases, improving overall system reliability.
• 600 V capability: Suitable for higher-voltage distribution networks common in commercial and light industrial settings.
• Brand assurance: Square D components are known for durability and consistent performance in critical electrical infrastructure.

Practical guidance for installation and use

• Confirm that your panel and wiring are compatible with the 3-pole, 600 V specification before installation.
• Adhere to the panel manufacturer’s mounting and torque guidelines to ensure secure mounting and reliable trip operation.
• Use in circuits where load or startup surges approach the 31 A rating to prevent nuisance trips while protecting connected equipment.
• Maintain a spare RLA36100CU31A on hand for quick replacements to minimize downtime during maintenance windows.

Choosing the Square D RLA36100CU31A means opting for a dedicated 3-pole, 600 V circuit protection solution that aligns with established electrical standards, supports reliable three-phase operation, and simplifies panel protection for demanding industrial and commercial applications.