Siemens CED6N1S 125A 3P 600V Circuit Breaker, NEMA 1 | AmpState

Meet the Siemens CED6N1S, a circuit breaker built for everyday electrical work in panelboards, load centers, and electrical distribution. This 125 A, 3-pole device delivers reliable protection for multi‑phase circuits at up to 600 V, and its NEMA 1 enclosure is suited for indoor dry environments, helping critical power systems stay protected in standard electrical rooms.

Key specifications

• Manufacturer: Siemens
• Part Number: CED6N1S
• Product Type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage: 600 V
• Enclosure: NEMA 1

Why this matters

In replacement projects, maintaining BOM alignment with the original part number is crucial for a smooth upgrade and minimal downtime. The CED6N1S is designed to fit Siemens panelboards and load centers that specify this exact part, making swaps straightforward and predictable. Keeping a spare on hand helps maintenance teams respond quickly to routine outages without delays from sourcing or incompatible replacements.

Use cases and scenarios

• Protection for three‑phase circuits in commercial panelboards and distribution centers.
• Ideal for refurbishments or retrofits where exact part-number alignment is required.
• Stock spare parts for service fleets to accelerate on-site replacements and maintain uptime.

Compatibility and getting the right fit

To verify compatibility, match the part number CED6N1S and confirm it aligns with your panelboard or load center's BOM. AmpState offers support to help validate fit—reach out with your equipment details and they’ll assist in ensuring a precise match.

What you gain with AmpState

• Fast access to Siemens protective devices stocked for quick dispatch.
• BOM-aligned replacements that minimize configuration changes and downtime.
• Support for part-number verification and compatibility questions to keep your projects on track.