3CU20R | Circuit Breaker | 20A | 3-Pole | 277V

The 3CU20R is a rugged industrial circuit breaker built for dependable protection in demanding environments. With a 20A rating across a 3-pole configuration and a 277V rating, this unit is tailor-made for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 20A
• Poles: 3-Pole
• Voltage: 277V

Why choose the 3CU20R?

• Exact specification match for compatibility: The part number 3CU20R is the clearest reference for ensuring the breaker will fit your panel or distribution setup without surprises.
• Efficient maintenance and retrofits: Ideal for upgrading aging gear or replacing failing breakers in 277V systems, helping minimize downtime and keep critical circuits protected.
• Clear, practical fit notes: Before ordering, confirm fit and ratings to ensure the 3CU20R aligns with your equipment, panel labeling, and safety requirements.

Ideal use scenarios

• Industrial facilities performing routine maintenance on 277V distribution networks that require a reliable 3-pole protection device.
• Retrofit projects where existing equipment uses a 3-Pole, 277V breaker and the goal is to restore original protection standards.
• Replacement of a failed or worn 3-pole breaker in commercial or light industrial environments, ensuring continuity of protection for critical loads.

Practical tips for a smooth selection

• Use the part number 3CU20R as the primary reference when verifying compatibility with your panel or switchgear.
• Cross-check your system’s voltage (277V) and the 3-Pole configuration to prevent mismatches during installation.
• Keep a record of the exact part number in your maintenance library to simplify future replacements and reduce downtime.