Square D BDL36020 20A 3-Pole 525 V Circuit Breaker

Meet the Square D BDL36020 20A 3-Pole 525 V Circuit Breaker—a purpose-built solution for safeguarding three-phase electrical systems. With part number BDL36020, this breaker brings reliable overcurrent protection to industrial and commercial panels, ensuring system stability and downtime reduction in demanding environments.

Specifications at a glance

• Current rating: 20 A
• Poles: 3 (three-pole configuration for complete three-phase protection)
• Voltage rating: 525 V
• Part number: BDL36020
• Brand: Square D (Schneider Electric)

Why this 3-Pole, 20A, 525V breaker stands out

Designed for three-phase circuits, the BDL36020 delivers coordinated protection across all phases, helping prevent unbalanced faults that can damage motors, drives, and other equipment. The 20 amp capacity strikes the right balance for mid-range machinery and control circuits, providing robust protection without unnecessary nuisance tripping. Its 525 V rating expands compatibility with higher-voltage distribution setups, giving you flexibility in modern electrical environments.

Ideal use cases

• Industrial control panels and motor control centers that operate on 3-phase power
• Motor starter circuits and PLC-driven equipment in manufacturing facilities
• Commercial electrical rooms requiring dependable three-phase protection for reliability and safety

Installation and compatibility tips

Ensure your distribution equipment supports Square D BDL-series breakers and verify that the BDL36020 fits your panel or enclosure’s footprint. Follow standard electrical installation practices, keep connections clean, and torque terminals according to manufacturer specifications to maintain safe, reliable operation.