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Westinghouse JB3070S - Molded Case 70A 3-Pole 600V

Westinghouse
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Westinghouse JB3070S is a 3-pole molded case circuit breaker designed for thermal-magnetic protection against overloads and short circuits in low-voltage power distribution systems. It is rated for 70 amps at 600V AC with a 22kA interrupting capacity at 480V AC, providing LI (Long-Time and Instantaneous) trip functions. Weighing 19 lb, this Type JB unit features a bolt-on mounting configuration and is part of the AB DE-ION family. The breaker is UL listed and meets Federal Specification W-C-375b for industrial and commercial applications. It is commonly used in panelboards and switchboards for reliable circuit protection.

Key Features & Specifications
  • Type: JB Molded Case
  • Amperage Rating: 70 amps
  • Voltage Rating: 600V AC
  • Number of Poles: 3
  • Phase: 3
  • Mounting Type: Bolt-on
  • Interrupting Capacity: 22kA at 480V AC
  • Trip Unit: Thermal-Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Family: AB DE-ION
  • Weight: 19 lb
  • Federal Specification: W-C-375b Compliant
  • UL Listed: Yes