Square D QDP22100TM - 100 A, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QDP22100TM: a 100 A, 2-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for performance in real-world installations, it combines a rugged mounting method with precise protection technology to keep electrical systems safe and reliable.

• Secure bolt-on mounting provides a rigid, vibration‑resistant bus connection, helping maintain consistent electrical contact in panels exposed to equipment movement and vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic tripping for immediate response to short circuits.
• OEM-compatible design is crafted to pair with matching Square D load centers and panelboards for straightforward replacement, upgrades, or expansions.
• Versatile application suitable for residential, commercial, and light industrial environments where dependable protection of branch circuits is essential.

Technical at a glance

• Manufacturer: Square D
• Part Number: QDP22100TM
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this matters in the real world

When panels experience routine vibration from HVAC units, motors, or busy electrical rooms, the QDP22100TM’s bolt-on design helps preserve a solid bus connection, reducing the likelihood of intermittent contacts. The combined thermal and magnetic protection means you get clean, predictable tripping behavior that protects wiring and connected devices without unnecessary interruptions. This is especially valuable in spaces where reliability is critical and panel configurations demand a compatible, high-performance breaker.

Use cases and installation scenarios

• Upgrading or replacing a breaker in Square D panelboards and load centers that require a 2-pole, 100 A bolt-on unit.
• Installing in residential service panels, commercial distribution enclosures, or light industrial panels where stable protection and robust mounting are priorities.
• Configuring large, paired-circuit layouts that benefit from rapid short-circuit response and durable bus connections.

With the QDP22100TM, you gain a dependable, OEM-aligned solution that combines rugged construction, precise protection, and practical compatibility—helping you keep electrical systems safe, compliant, and operating at their best.