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MD63B500 - 500Amp Circuit Breaker

  • 500 Amp
  • 25k @ 600VAC; 50k @ 480VAC; 65k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: MD63B500

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MD63B500 - 500Amp Circuit Breaker Description

MD63B500 - 500Amp Circuit Breaker

The Siemens MD63B500 is a premier molded case circuit breaker, designed to deliver exceptional performance and reliability in various low voltage applications. This 500A, 3-pole breaker features a thermal-magnetic trip unit that ensures precise protection against overloads and short circuits, making it an ideal choice for both industrial and commercial environments. With its standard 40å¡C breaker MD frame and standard breaking capacity, the MD63B500 meets rigorous UL 489 and IEC 60947-2 standards, ensuring compliance with international safety and performance benchmarks.

Key Features and Benefits

  • High Current Capacity: With a 500A rating, the MD63B500 can handle substantial electrical loads, making it suitable for demanding applications.
  • Thermal-Magnetic Trip Unit: Provides accurate and reliable protection against both overcurrent and short-circuit conditions.
  • Standard Breaking Capacity: Ensures effective interruption of fault currents, with 25KAIC at 600V and 50KAIC at 480V.
  • Versatile Connections: Equipped with line and load side lugs (TA3K500) that support a wide wire range from 1/0AWG to 500KCM (CU/AL), ensuring flexible and secure connections.
  • Compact Dimensions: The breaker measures 9 x 16 x 6 inches (W x H x D), allowing for easy integration into existing systems.

Technical Specifications

  • Rated Current: 500A
  • Number of Poles: 3
  • Interrupting Capacity: 25KAIC at 600V;åÊ50KAIC at 480V
  • Trip Unit Type: Thermal-Magnetic
  • Frame Size: MD
  • Operating Temperature: 40å¡C Standard
  • Dimensions: 9 x 16 x 6 inches (W x H x D)
  • Weight: 56.879 lb

Material Compliance and Certifications

  • The Siemens MD63B500 circuit breaker complies with key international standards, including UL 489 and IEC 60947-2. This compliance ensures that the breaker meets rigorous quality and safety requirements, making it a reliable choice for various electrical applications. Additionally, the breaker adheres to RoHS and WEEE directives, ensuring it meets environmental and sustainability standards.

Suitability

  • The MD63B500 is ideal for use in industrial plants, commercial buildings, and other environments where reliable and robust circuit protection is essential. Its high current capacity and versatile connection options make it suitable for a wide range of low voltage applications, from motor control centers to power distribution panels.

 

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:9.0
  • Height:16.0
  • Depth:6.0
  • Poles:3
  • Amperes:500
  • A.I.C. Rating & Volts:25k @ 600VAC; 50k @ 480VAC; 65k @ 240VAC
  • Type:MD6
  • Approx Dimensions:9.00"W x 16.00"L x 6.00"D
  • Additional Notes:30kAIC@250vdc (for 2-pole applications), Molded Case Circuit Breaker with Interchangeable Trip Unit. Includes Load-Side Lugs

Returns are easy

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

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® 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, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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