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Siemens HB3B070 - Molded Case Circuit Breaker 70A 3P (65kA AIC)

Siemens
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Siemens HB3B070 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase electrical systems. It features a 70A current rating and a 240V AC voltage rating, housed in a compact bolt-on configuration measuring 2.756 x 2.756 x 3.937 inches (70 x 70 x 100 mm) and weighing 1.124 lb. The breaker utilizes a thermal-magnetic trip unit for combined long-time and instantaneous trip functions, offers an interrupting capacity of 65kA at 240V, and operates within a temperature range of -25 to 70 °C. It is engineered for compliance with relevant industry standards and is typically applied in industrial panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (HBQ), Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 70A
  • Dimensions: 2.756 x 2.756 x 3.937 inch (70 x 70 x 100 mm)
  • Standards: Designed to meet applicable industry standards
  • Applications: Industrial panelboards, switchboards, motor control centers
  • Phase: 3
  • AIC Rating: 65kA @ 240V
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Weight: 1.124 lb
  • Family: BQ Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 783643111318
  • GTIN: 00783643111318