Siemens / ITE MD63B800 800A 3 Pole Molded Case Circuit Breaker – Bolt On – 600VAC

The Siemens / ITE MD63B800 is a robust molded case circuit breaker designed for high-demand industrial and commercial power distribution systems. Built on the MD frame platform, it incorporates a thermal magnetic interchangeable trip unit that ensures precise and reliable protection against overload and short circuit conditions. With an 800 ampere rating, 3-pole configuration, and bolt-on mounting, this breaker is ideal for switchgear assemblies, feeder circuits, and heavy-duty electrical applications operating across 240V, 480V, and 600V AC systems.

Product Specifications

• Brand: Siemens / ITE
• Model: MD63B800
• Amperage: 800 Ampere
• Number of Poles: 3 Pole
• Breaker Type: Molded Case Circuit Breaker
• Mount Type: Bolt On
• Frame Style: MD 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: 4000-8000
• 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: MD
• 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.

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