Square D QDA32125 - 125A, 3-Pole, Circuit Breaker

Designed for mission-critical electrical systems, the Square D QDA32125 delivers steady, reliable overcurrent protection for 3-phase power networks. This 125A, 3-pole circuit breaker is engineered to integrate smoothly into panelboards, switchboards, and control panels, helping you maintain uptime and protect expensive equipment.

What makes the QDA32125 stand out

• 125A current rating provides robust protection for mid-to-large distribution circuits, helping prevent overloads and equipment damage.
• 3-pole configuration supports balanced protection in 3-phase systems, ensuring synchronized disconnection during faults.
• Versatile mounting designed for easy installation in common industrial setups—panelboards, switchboards, and control panels.
• Dependable operation built for safe, reliable performance in demanding environments, reducing downtime and maintenance concerns.
• Ideal for diverse settings suitable for industrial, commercial, and OEM applications where dependable overcurrent protection is critical.

Typical applications

• Distribution panels where steady protection of main and branch circuits is essential
• Motor control centers requiring reliable 3-phase protection for motors and associated loads
• Switchboards and control panels in manufacturing, processing, and facility infrastructure
• OEM equipment enclosures needing a compact, compatible protective device

Specifications at a glance

• Current rating: 125A
• Poles: 3-Pole
• Breaker type: Circuit Breaker

Practical guidance for use

• Ensure the panel or enclosure accepts 3-pole breakers of this type for 3-phase protection.
• Use as the primary overcurrent protection in distribution paths to safeguard conductors, devices, and motors from overloads and short circuits.
• In maintenance scenarios, prefer matched replacements to maintain consistent trip characteristics and coordinated protection across the system.
• Store and handle in clean, dry conditions to preserve reliable operation and connection integrity on installation.

Upgrade to the Square D QDA32125 to reinforce your electrical distribution with clear, dependable protection in panelboards, switchboards, and control panels. Whether powering industrial machinery, commercial equipment, or OEM assemblies, this 125A, 3-pole circuit breaker delivers the reliable performance you need to keep systems running smoothly.