ABB XT1SU3020AFD000XXX 20A 3P 480V Circuit Breaker, Bolt-On | AmpState

The ABB XT1SU3020AFD000XXX is a rugged 20 A, 3-pole circuit breaker crafted for reliable protection in panelboards, load centers, and electrical distribution systems. Designed for 480 V applications, this bolt-on unit is the smart choice for maintenance, replacements, and stock-sparing that keeps your BOM aligned with the original part number.

Key features that matter in real-world installations:

• Amperage: 20 A, providing precise protection for dedicated circuits and equipment.
• Poles: 3 Poles, suitable for three-phase systems common in commercial and industrial environments.
• Voltage rating: 480 V, enabling distribution protection for higher-voltage electrical distributions.
• Mounting: Bolt-on design for fast, secure installation and straightforward field retrofits on compatible ABB panelboards.
• Application focus: Ideal for replacement projects, upgrades, and stocking spares to ensure BOM continuity with the original part number.

Why this ABB circuit breaker stands out

Unlike generic substitutes, the XT1SU3020AFD000XXX is purpose-built to align with ABB’s original installation footprints and electrical characteristics. Its bolt-on format enables quick field swaps with minimal downtime, helping technicians restore service quickly when a breaker trips or a panel requires an exact match for a three-phase distribution circuit. By stocking this specific part, you reduce guesswork during maintenance and ensure continued compatibility with your existing ABB infrastructure.

Who benefits most

• Facilities managers and maintenance teams responsible for reliability in commercial and light industrial power distribution.
• Electrical contractors performing panelboard replacements or mid-life upgrades where exact part numbers are critical.
• Procurement teams seeking BOM-aligned spares to avoid mismatches during outages or retrofits.

Practical considerations and support

If you’re unsure about compatibility or need to confirm a precise fit, AmpState offers assistance in verifying part numbers and ensuring the XT1SU3020AFD000XXX will drop into your panelboard or load center without issues. This part is listed and available through AmpState for customers who require dependable sourcing of ABB protection devices.

Product details

• Manufacturer: ABB
• Part Number: XT1SU3020AFD000XXX
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 3
• Voltage: 480 V
• Mounting: Bolt-On
• Availability: Available from AmpState

For professionals who demand precision, reliability, and BOM-consistent parts, the ABB XT1SU3020AFD000XXX delivers dependable circuit protection for your three-phase 480 V distribution needs.