Siemens CQD2100 100A 2P 480V Circuit Breaker | AmpState

Meet the Siemens CQD2100 — a rugged 100 A, 2-pole, 480 V circuit breaker engineered to deliver reliable protection for panelboards, load centers, and broader electrical distribution systems. This unit is purpose-built for replacement projects and spare stocking, helping you keep your bill of materials aligned with the original part number while maintaining uninterrupted service in demanding environments.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: CQD2100
• Product Type: Circuit Breaker
• Amperage: 100 A
• Poles: 2
• Voltage: 480 V

Why the CQD2100 stands out

• Precise BOM alignment: By using the original part number, you simplify spares management and maintenance planning, reducing downtime during replacements.
• Focused on practical protection: Ideal for safeguarding main and branch circuits in commercial and industrial settings where 480 V distribution is standard.
• Seamless suitability for refurbishments: A reliable fit for panelboards and load centers requiring a like-for-like replacement without rewiring or adaptation.
• Trusted Siemens reliability: Built to consistently meet performance expectations in critical electrical infrastructure.

Use cases and who benefits most

• Replacement projects: Swap-in compatible breakers to restore original protection schemes without altering legacy wiring or labeling.
• Spare stocking: Maintain ready-to-go inventory for quick service calls, minimizing downtime during outages or maintenance windows.
• Electrical distribution protection: Suitable for panelboards and distribution boards where robust 100 A protection on both live lines is required.
• Industrial and commercial facilities: Supports reliable protection for equipment, motors, and critical circuits in 480 V systems.

Compatibility and support

The CQD2100 is designed to align with standard Siemens specifications for 2-pole, 480 V distribution protection. If you’re verifying fit, compare the original BOM, the 100 A rating, 2-pole design, and the 480 V requirement to ensure a seamless replacement. AmpState offers this part to help you maintain continuity in your electrical distribution with confidence.

How to purchase and get help

Available from AmpState, with expert assistance to confirm compatibility and fit. If you need help matching a part number or verifying suitability for your panelboard or load center, simply message us and we’ll guide you to a precise match.