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Siemens QJ3-B150 - Molded Case 150A 3-Pole Breaker

Siemens
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Siemens QJ3-B150 is a molded case circuit breaker designed for overcurrent and short-circuit protection in industrial and commercial power distribution systems. This 3-pole unit is rated for 150A at 240V with a 10kA interrupt rating, utilizing a thermal-magnetic trip unit for reliable fault response. The breaker features bolt-on mounting and weighs 3.92 lb, constructed for durability in demanding electrical environments. It is certified to UL 489, UL 1066, and ANSI C37 standards, ensuring compliance with industry safety requirements. Typical applications include main or branch circuit protection in three-phase panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case
  • Series/Frame: QJ
  • Amperage: 150A
  • Voltage: 240V
  • Poles: 3
  • Mounting Type: Bolt-On
  • Interrupt Rating: 10kA @ 240V
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL 489, UL 1066, ANSI C37
  • Application: Main or Branch Circuit
  • Weight: 3.92 lb


Product Identification
  • UPC: 0655364977545
  • GTIN: 00724165979581