Square D QDP32125TM - 125 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Square D QDP32125TM is a 125 A, 240 V, 3-pole bolt-on molded case circuit breaker designed to safeguard branch circuits within panelboards and load centers. Built for dependable overcurrent and short-circuit protection, it delivers consistent performance in demanding electrical environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement and enhancing long-term reliability in challenging installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overloads and short circuits, helping prevent nuisance trips and equipment damage.
• Three-pole, 125 A at 240 V configuration supports common three-phase circuits found in commercial and light industrial systems.
• Molded case construction offers durable, maintenance-friendly protection suitable for ongoing service in panels and load centers.
• OEM compatibility designed to pair with matching Square D OEM load centers and panelboards for a seamless fit and reliable electrical performance.
• Versatile applications ideal for residential, commercial, and light industrial settings that require dependable branch-circuit protection.

Who should consider the QDP32125TM?

Electrical professionals working on panel upgrades, retrofits, or new installations will value its bolt-on design for straightforward mounting, its predictable trip behavior for system protection, and its compatibility with Square D panelboards. It’s a practical choice for electricians, facility managers, and project engineers aiming to protect three-phase circuits with a robust, durable breaker.

Technical snapshot

• Manufacturer: Square D
• Part number: QDP32125TM
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 125 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Installation and best practices

Install into a compatible Square D panelboard or load center designed for QDP-series devices. Adhere to local electrical codes and the manufacturer’s guidelines for mounting torque and bus connections to ensure optimal performance and safety. This breaker is tailored for three-phase systems and is suitable for protecting feeders and branch circuits in modern electrical installations.