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Eaton MDLB3700W - Molded Case Circuit Breaker 700A 600V 3-Pole

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Eaton MDLB3700W is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 700A at 600VAC and 250VDC, with a 50kA interrupting capacity at 480VAC and 65kAIC at 240VAC, utilizing a thermal-magnetic trip unit with fixed long-time and instantaneous (LI) functions. The unit weighs 33 lb, features a bolt-on connection, and is built on an M Frame within the Series C family, supplied without lugs for field customization. This breaker complies with UL and CSA standards for safety and reliability. It is suitable for high-current applications in manufacturing plants, data centers, and large commercial facilities requiring robust fault interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Eaton
  • Family: Series C
  • Type: MDLB
  • Weight: 33 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: M Frame
  • Voltage Rating: 600 Vac, 250 Vdc
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 50kA@480V, 65 kAIC at 240 Vac
  • Phase: 3
  • Current Rating: 700 A
  • Trip Unit: Fixed Thermal, Fixed Magnetic (T186)
  • Mounting Type: Complete breaker, without terminals
  • Frequency: 50/60 Hz
  • Certifications: UL Listed, CSA Certified