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JJ3B350

Siemens
Price
Save $-1,403.21
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Siemens JJ3B350 is a 350A molded case circuit breaker from the JJ frame series, designed for overcurrent protection using a thermal magnetic trip mechanism with LI (Long-Time and Instantaneous) functions. Rated for 600V AC and 25kA interrupting capacity at 480V, this 3-pole, 3-phase unit provides reliable fault interruption in commercial and industrial power distribution systems. The bolt-on mounting type ensures secure installation within panelboards, and the breaker weighs 22 lb for a robust, durable construction. It complies with industry standards for molded case circuit breakers, making it suitable for protecting feeders, branch circuits, and main disconnects in manufacturing plants, commercial buildings, and heavy equipment applications.

Key Features & Specifications
  • Type: Molded Case
  • Family: JJ Frame
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 25kA@480V
  • Phase: 3
  • Current Rating: 350A
  • Weight: 22 lb
  • Amperage: 350A
  • Voltage: 600V AC
  • Mounting Type: Bolt-On
  • Interrupt Rating: 25kA at 480V
  • Frame/Series: JJ Frame
  • Trip Unit: Thermal Magnetic


Siemens JJ3B350 - Molded Case 350A 600V 3-Pole