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QJ3B150L

Siemens
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Siemens QJ3B150L is a 150 Amp, 240 Volt, 3-pole molded case circuit breaker from the QJ frame series, designed to provide overcurrent protection for industrial and commercial electrical systems. This thermal magnetic breaker features LI (Long-Time and Instantaneous) trip functions, delivering both thermal overload and magnetic short-circuit protection with a 10kA interrupt rating at 240V. The unit weighs 4 lb, utilizes a bolt-on mounting style with feed-thru connection, and includes two accessory pockets for optional internal accessories such as shunt trips or auxiliary switches. It is a 3-phase device built for reliable performance in demanding environments.

Key Features & Specifications
  • Manufacturer: Siemens
  • Part Number: QJ3B150L
  • Amperage: 150 Amps
  • Voltage Rating: 240 Volts
  • Number of Poles: 3
  • Frame Type: QJ
  • Family: QJ Series
  • Type: QJ
  • Item Subcategory: Molded Case
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 10,000 Amps at 240V
  • Mounting Type: Bolt-On
  • Connection: Feed-Thru
  • Phase: 3
  • Weight: 4 lb


Siemens QJ3B150L - Molded Case Circuit Breaker 150A 240V