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Siemens QJ3B070 - Molded Case 70A 3-Pole 240V

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Siemens QJ3B070 Circuit Breaker - Molded Case 70A 3-Pole 240V The Siemens QJ3B070 is a 3-pole molded case circuit breaker from the QJ Series, designed for overcurrent and short-circuit protection in low voltage power distribution systems. It is rated for 240 VAC operation with a 70 ampere continuous current capacity and features a 10 kA interrupting rating at 240V, utilizing thermal magnetic trip technology with LI (Long-Time and Instantaneous) functions. This bolt-on unit weighs 4 lb and is constructed with a compact molded case design for 3-phase applications. It complies with industry standards for residential and light commercial electrical systems. Typical applications include branch circuit protection in panelboards, lighting panels, and small commercial load centers.

Key Features & Specifications
  • Type: QJ
  • Amperage Rating: 70A
  • Voltage Rating: 240 VAC
  • Number of Poles: 3
  • Interrupt Rating: 10 kA at 240V
  • Trip Unit: Thermal/Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Bolt-On
  • Weight: 4 lb
  • Phase: 3
  • Molded Case Design
  • Low Voltage Application