ABB S204-K63 Circuit Breaker, 63A, 4-Pole

The ABB S204-K63 Circuit Breaker is built to stand up to demanding industrial electrical service, maintenance, and replacement projects. This 4-pole unit delivers reliable overcurrent protection for multi-wire and three-phase applications, helping keep distribution panels and connected equipment safe and operational.

What makes the S204-K63 unique

• Four-pole design provides complete phase and neutral protection, simplifying wiring in 3‑phase, 4-wire systems and reducing shared-neutral trip risks.
• 63 A rating targets feeders and circuits in industrial environments where dependable protection is essential.
• Industrial-grade reliability from ABB’s robust build, designed to endure the challenges of busy facilities and equipment-heavy settings.
• Part-number driven compatibility verify fit using S204-K63 and assess your application requirements to ensure a perfect match.
• Versatile for replacements and upgrades ideal for panel refurbishments, service upgrades, and ongoing maintenance stock.

How it fits into your workflow

Use the S204-K63 to protect essential feeders and motors within industrial electrical panels. Start by confirming compatibility with your panel and system by the part number, then align the 63 A rating and four-pole configuration to your wiring scheme. This makes the S204-K63 a reliable choice for ongoing maintenance programs and new installations where durable, predictable protection is required.

Ideal applications

• Industrial facilities implementing or upgrading 3‑phase distribution with neutral
• Maintenance projects requiring a dependable 4-pole circuit breaker replacement
• Service panels and intake sections where compact, multi-pole protection is advantageous

Specifications

• Manufacturer: ABB
• Part Number: S204-K63
• Product Type: Circuit Breaker
• Amperage: 63 A
• Poles: 4

Need help matching a part number or confirming compatibility? Message us and we'll help ensure the S204-K63 is the right fit for your application.