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Siemens JL3B400 - Molded Case 400A 600V 3-Pole

Siemens
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The Siemens JL3B400 is a 3-pole molded case circuit breaker from the JL Series, designed for LI (Long-Time and Instantaneous) protection in industrial power distribution systems. It is rated for 600V AC, 400A continuous current, and delivers a 35kA interrupting capacity at 480V, utilizing thermal-magnetic protection for reliable overcurrent response. This bolt-on unit weighs 24 lb and is constructed for 3-phase applications, featuring a compact molded case design for panelboard installation. It complies with industry standards for molded case circuit breakers, ensuring robust performance in demanding environments. Typical applications include main or feeder protection in commercial and industrial switchboards, distribution panels, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, JL Series, Thermal Magnetic
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 24 lb weight
  • Standards: UL/CSA listed for molded case breakers
  • Applications: Industrial power distribution, feeder protection
  • Switch Type: Circuit breaker
  • Configuration: 3-pole, 3-phase
  • Coil Voltage Maximum: N/A
  • Temp Rating: Standard industrial
  • Shipping Dimensions: Standard molded case
  • Phase: 3
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 35kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: JL Series
  • Trip Type: Thermal Magnetic
  • Panel Type: Industrial panelboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: Molded case
  • Panel Style: Standard
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: Standard
  • 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: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: 400A
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 400A
  • Full Load Amp Minimum: N/A
  • Enclosure: Open
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 400A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL/CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: JL Series
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: JL
  • Current Rating: 400A
  • 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: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 0646826258371