Mitsubishi WS-V Series Molded Case Circuit Breaker

1 to 4-pole MCCB circuit protector with rated currents up to 500A. AC and DC voltage compatibility available.

This model has 555 variants.
Effective Sept 11th, 2025 Mitsubishi has added a 9.75% surcharge to this product. The surcharge will appear as a separate line item on each sales order.
Highlights...

Features

  • Number of poles: 1, 2, 3, 4
  • Rated current(s): 0.5 up to 500A
  • Breaking capacity: 10 to 85kA
  • Rated voltage:
    • AC: 240V (480V w/ 100-HRU, 125-SVU)
      • 600Y/347V w/ 125-HVU
    • DC: 60V (SMU only)
  • Dimensions:
    • Width: 18 to 75mm
    • Height: 120 to 150mm
    • Depth: 44 to 74mm
  • UL489 compliance available
  • *See product catalog for configuration specific data

The Mitsubishi WS-V Series Molded Case Circuit Breakers are a comprehensive line of circuit protectors engineered for reliable low-voltage power distribution applications from 0.5 up to 500A. The WS-V Series offers multiple performance classes to suit diverse applications, with breaking capacities ranging from 10kA to 85kA depending on voltage and model configuration. Key features include compact, space-saving designs with standardized mounting and accessory systems, thermal-magnetic and electronic trip options, IP20 standard enclosures, and flexible connection methods including front lugs, bars, and DIN rail mounting for smaller frames. This line of breakers offer compliance with UL 489 international standards and RoHS construction, making them ideal for industrial automation, power distribution panels, and commercial electrical systems around the world.