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Siemens JD62B300 - Molded Case Circuit Breaker 300A 600V

Siemens
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Siemens JD62B300 is a 300A, 2-pole molded case circuit breaker from the Sentron Series, designed for LI (Long-Time and Instantaneous) thermal magnetic protection in industrial power distribution. This bolt-on unit operates at a maximum voltage rating of 600V and delivers an interrupting capacity of 35kA at 480V, supporting 1-phase systems with a wire range of 3/0 AWG to 500 KCM CU or 4/0 AWG to 500 KCM AL. The JD frame breaker measures 8.661 x 12.992 x 6.699 inches, weighs 16.843 lb, and is rated for ambient temperatures from -13°F to 158°F (-25°C to 70°C). It complies with RoHS standards and holds UL and IEC certifications, making it suitable for commercial and light industrial applications requiring reliable overcurrent protection.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous)
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: 8.661 x 12.992 x 6.699 inches
  • Standards: RoHS, UL, IEC
  • Applications: Industrial power distribution, commercial panelboards
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: 8.661 x 12.992 x 6.699 inches
  • Phase: 1
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 35kA@480V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JD Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: N/A
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 500 KCM CU, 500 KCM AL
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-On
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: 3/0 AWG to 500 KCM CU, 4/0 AWG to 500 KCM AL
  • Amperage Maximum: 300A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: 3/0 AWG to 500 KCM CU, 4/0 AWG to 500 KCM AL
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: N/A
  • Phase Connection: 1-Phase
  • Standards: RoHS
  • Compatible Frames: JD Frame
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: JD Frame
  • Current Rating: 300A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 783643213135
  • GTIN: 00783643213135