Siemens / ITE ND63B900 900A 3 Pole Molded Case Circuit Breaker – Bolt On – 600VAC

The Siemens / ITE ND63B900 is a high-performance molded case circuit breaker designed for dependable operation in industrial and commercial electrical distribution systems. Built on the ND frame platform, it incorporates a thermal magnetic interchangeable trip unit to provide 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 systems, feeder circuits, and heavy-duty applications operating across 240V, 480V, and 600V AC environments.

Product Specifications

• Brand: Siemens / ITE
• Model: ND63B900
• 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 Interchangeable Trip Unit

Technical Specifications

• Operating Temperature: 40 Degree Celsius
• Frequency: 50/60Hz
• Connection Type: Bolt On
• Terminal Type: Line and Load End Terminals Standard
• Lug Type: Standard Line and Load
• 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

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.

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.