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circuit-breaker

Siemens SJD6A400LSI 400A 3P 600V Circuit Breaker | AmpState

★★★★★
Part Number SJD6A400LSI
Amperes 400
Poles 3
Voltage 600
Product Type circuit-breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $17,974.00
Sale price $17,974.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
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FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens SJD6A400LSI 400A 3P 600V Circuit Breaker | AmpState - Circuit Breakers

Siemens SJD6A400LSI 400A 3P 600V Circuit Breaker | AmpState

Regular price $17,974.00
Sale price $17,974.00 Regular price
Unit price
Product description
Shipping
Siemens SJD6A400LSI 400A 3P 600V Circuit Breaker is purpose-built to shield panelboards, load centers, and electrical distribution systems from unexpected faults. When retrofit schedules or routine maintenance hinge on a consistent part number, this Siemens unit delivers the reliability you expect and the compatibility you need to keep systems running smoothly. Why this breaker stands out - Precision for Siemens SST and distribution setups: The SJD6A400LSI is designed to slot into Siemens panelboards and distribution configurations with minimal fuss, helping you preserve stock integrity and reduce misfits during upgrades. - Clear, high-current protection in a compact three-pole package: With 400 A capacity across 3 poles at 600V, this breaker covers three-phase distribution needs in commercial and industrial environments without sacrificing space in your load centers. - Retrofit-friendly and maintenance-ready: If your project demands a consistent part number for lifecycle planning, this unit keeps your engineering and service records aligned, simplifying future replacements and ordering. Who benefits from the Siemens SJD6A400LSI - Maintenance teams and service contractors who prioritize compatibility and predictable spares for Siemens systems. - Facility managers planning panelboard retrofits or upgrades where preserving the same part number reduces downtime and inventory complexity. - Electrical distributors and installers who need a reliable 3P, 600V solution that fits standard Siemens distribution gear. Key specifications at a glance
  • Manufacturer: Siemens
  • Part Number: SJD6A400LSI
  • Product Type: Circuit Breaker
  • Amperage: 400 A
  • Poles: 3
  • Voltage: 600V
  • Availability: AmpState

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit. The Siemens SJD6A400LSI is your dependable choice for protecting critical electrical distribution with a focus on practical retrofit execution and straightforward maintenance planning.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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