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Siemens JD2B300 - Molded Case 300A 2-Pole Thermal Magnetic (240V)

Siemens
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Siemens JD2B300 Circuit Breaker - Molded Case 300A 2-Pole Thermal Magnetic (240V) The Siemens JD2B300 is a 300A, 2-pole molded case circuit breaker from the Sentron Series, designed to provide LI (Long-Time and Instantaneous) protection for electrical systems. This bolt-on unit operates at 240V with a 65kA@240V interrupting capacity and a 1-phase configuration, supporting a temperature range of -13°F to 158°F (-25°C to 70°C). Weighing 20 lb, the JD Frame breaker features thermal magnetic protection and a bolt-on connection, certified to UL and IEC standards with RoHS compliance. It is suitable for industrial applications requiring reliable overcurrent protection in distribution panels and switchboards.

Key Features & Specifications
  • Type: Molded Case, Sentron Series, JD Frame
  • Voltage Rating: 240V
  • Current Rating: 300A
  • Dimensions: JD Frame
  • Standards: RoHS
  • Applications: Industrial overcurrent protection
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 300A
  • AIC rating: 65kA@240V
  • Connection: Bolt-On
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JD Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-On
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 300A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: RoHS
  • Compatible Frames: JD Frame
  • Installation Type: Bolt-On
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: JD Frame
  • Current Rating: 300A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: Not specified
  • GTIN: Not specified