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Siemens JJ3B225 - Molded Case Circuit Breaker 225A 600V 3-Pole

Siemens
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Siemens JJ3B225 is a 225A molded case circuit breaker designed for overload and short-circuit protection in electrical distribution systems. It operates at 600V AC with a 25kA interrupting capacity at 480V, utilizing a thermal magnetic trip unit that provides LI (Long-Time and Instantaneous) functions for precise protection. This three-pole, three-phase breaker features a bolt-on mounting configuration and weighs 22 lb, belonging to the JJ Frame family. It complies with industry standards for industrial and commercial applications, ensuring reliable performance in demanding environments. Typical applications include protecting feeders, branch circuits, and main disconnects in panelboards and switchboards.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Siemens
  • Model: JJ3B225
  • Current Rating: 225 Amps
  • Voltage Rating: 600 Volts AC
  • Number of Poles: 3
  • Phase: 3 Phase
  • Interrupting Capacity: 25kA at 480V
  • Trip Unit: Thermal Magnetic with Long-Time and Instantaneous (LI)
  • Mounting Type: Bolt-On
  • Frame Series: JJ Frame
  • Connection: Bolt-On
  • Weight: 22 lb
  • Terminal Type: Load Side Lug Terminals
  • Functions: LI - Long-Time and Instantaneous
  • Protection: Thermal Magnetic
  • AIC Rating: 25kA@480V