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Cutler Hammer ECN0508CBA - Circuit Breaker 50A 480V 3-Pole

Cutler Hammer
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Cutler Hammer ECN0508CBA is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC with a current rating of 50A and a 65kAIC at 480V, providing reliable fault interruption. The unit features a three-pole configuration with a thermal-magnetic trip mechanism, housed in a compact frame measuring 6.66 inches in depth, 28.98 inches in height, and 10.5 inches in width, weighing 37 lb. This breaker complies with UL 489 and NEMA AB-1 standards, ensuring safety and performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards in manufacturing and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, three-pole
  • Voltage Rating: 480V AC
  • Current Rating: 50A
  • Dimensions: 6.66 in x 28.98 in x 10.5 in (Length/Depth x Height x Width)
  • Weight: 37 lb
  • Standards: UL 489, NEMA AB-1
  • Applications: Motor control centers, panelboards, switchboards
  • AIC Rating: 65kAIC at 480V
  • Poles: 3
  • Trip Type: Thermal-magnetic
  • Frame Size: ECN
  • Breaker Type: ECN0508CBA
  • Phase: 3
  • Connection: Line and load terminals
  • Protection: Overcurrent and short circuit
  • Functions: Circuit isolation and fault interruption
  • Mounting: Fixed
  • Hz: 60 Hz
  • Wire Size: Up to 4/0 AWG
  • Terminal Connection: Lug type
  • Frequency Rating: 60 Hz
  • Phase Connection: Three-phase
  • Compatible Frames: ECN series
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Breaker Frame: ECN
  • Current Rating: 50A
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78211407456
  • GTIN: 00782114074565