Siemens

Siemens / ITE NXD63B900 900A 3 Pole Molded Case Circuit Breaker – Bolt On – 600VAC

In stock
SKU: NXD63B900-NS
$5,999.00
Condition
Secure transaction
FREE & fast shipping on orders over $149
1 year warranty
30 day returns

Ask an expert

Email 866-972-6370

The Siemens / ITE NXD63B900 is a high-capacity molded case circuit breaker engineered for industrial and commercial power distribution systems requiring reliable protection. Built on the ND frame platform, it features a thermal magnetic non-interchangeable trip unit designed to provide consistent and accurate protection against overloads and short circuit faults. With a 900 ampere rating, 3-pole configuration, and bolt-on mounting design, this breaker is ideal for switchgear, feeder circuits, and heavy-duty electrical applications across 240V, 480V, and 600V AC systems. This model is supplied without terminals for flexible installation options.

Product Specifications

  • Brand: Siemens / ITE
  • Model: NXD63B900
  • Amperage: 900 Ampere
  • Number of Poles: 3 Pole
  • Breaker Type: Molded Case Circuit Breaker
  • Mount Type: Bolt On
  • Frame Style: ND Frame
  • Trip Unit Type: Thermal Magnetic Non-Interchangeable Trip Unit

Technical Specifications

  • Operating Temperature: 40 Degree Celsius
  • Frequency: 50/60Hz
  • Connection Type: Bolt On
  • Terminal Type: Without Terminals
  • Lug Type: No Lugs Included
  • Trip Setting Range: 5000-10000
  • Protection Type: Overload and Short Circuit Protection
  • Application: Industrial Power Distribution, Switchgear, Heavy Feeders, Commercial Electrical Systems

Voltage and Ratings

  • Rated Voltage: Up to 600VAC
  • Operating Voltages: 240V AC, 480V AC, 600V AC
  • Interrupting Rating @ 240V AC: 65 Kiloampere
  • Interrupting Rating @ 480V AC: 50 Kiloampere
  • Interrupting Rating @ 600V AC: 25 Kiloampere

Product Data

  • Manufacturer: Siemens / ITE
  • Condition: New / Reconditioned (Depending Supply)
  • Warranty: One Year
  • Availability: Subject to Stock
  • Frame Type: ND
  • SKU / UPC: Available on Request

Important Note

This breaker is supplied without terminals (lugs), which must be ordered separately according to installation requirements. Product image may represent a base model and is provided for identification purposes only. Accessories ordered with the breaker may be installed prior to shipment at no additional cost depending on supplier policy. Always verify amperage rating, trip setting range, voltage compatibility, interrupting ratings, and terminal configuration before purchase or installation.
  • Type Circuit Breakers
  • Vendor Siemens
  • Brand Siemens

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.