Square D QBL22100 100A 2P 240V Circuit Breaker | AmpState

Square D QBL22100 is a genuine 100-amp, two-pole, 240-volt circuit breaker designed to protect circuits in panelboards, load centers, and electrical distribution systems. Built to match original equipment specifications, this QBL22100 unit delivers dependable protection and consistent performance for your electrical infrastructure.

Available from AmpState, the QBL22100 is ideal for replacement projects and for stocking spares when you need to keep your bill of materials (BOM) aligned with the original part number. Having the exact part on hand minimizes downtime and helps you restore service quickly when a breaker needs replacement.

• Part Number: QBL22100
• Manufacturer: Square D
• Amperage: 100 A
• Poles: 2
• Voltage: 240 V
• Type: Circuit Breaker
• Applications: Panelboards, load centers, and electrical distribution
• Ideal for: Replacement projects and stocking spares to keep BOM aligned with the original part number

Why this matters: Using the original Square D QBL22100 ensures compatibility with your existing installation, helping maintain consistent electrical protection and reducing the risk of fit or performance issues associated with non‑OEM substitutes.

Why choose AmpState: We offer reliable access to genuine Square D breakers and can provide compatibility guidance to confirm the right part for your panel or distribution system. If you’re unsure about fit, message us and we’ll help you confirm compatibility.

Practical usage tips:

• Store the breaker in its original packaging until installation to protect the mechanism and terminals.
• Cross-check the BOM against your panel’s documentation to ensure exact part alignment.
• Plan replacements during scheduled maintenance to minimize operational downtime.