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Siemens HEB3B070 - Molded Case Circuit Breaker 70A 3-Pole 600V

Siemens
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Siemens HEB3B070 is a 3-pole molded case circuit breaker designed for overcurrent protection in industrial power distribution systems, utilizing a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions. It is rated for 70A at 600V and delivers a high interrupting capacity of 65kA at 480V, with a 125A frame size. The unit weighs 7.95 lb and features a bolt-on connection for panelboard mounting, operating at a standard temperature of 40°C. It complies with UL, CSA, NOM, and IEC standards for safety and reliability. This breaker is typically applied in commercial and industrial electrical panels requiring robust short-circuit protection.

Key Features & Specifications
  • Type: Molded Case
  • Current Rating: 70A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • Interrupt Rating: 65kA @ 480V
  • Series/Frame: HEB, 125 Amp Frame
  • Trip Unit: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Mounting Type: Panelboard Mount, Bolt-On
  • Connection: Bolt-On
  • Weight: 7.95 lb
  • Operating Temperature: 40°C
  • Certifications: UL, CSA, NOM, IEC