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Siemens 3VA5445-6EC31-0AA0 - Molded Case Breaker 450A 3-Pole

Siemens
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Siemens 3VA5445-6EC31-0AA0 is a 3-pole molded case circuit breaker from the Sentron Series, designed for thermal magnetic protection in industrial power distribution systems. This 450A rated breaker operates at 480V with a 65kA interrupting capacity, supporting 3-phase configurations across a temperature range of -13°F to 158°F (-25°C to 70°C). The unit weighs 5.19 lb and is built for compatibility with 3VA54 frames, featuring a compact molded case construction for panelboard or switchboard installation. It is UL Listed and certified, ensuring compliance with North American safety standards for overcurrent protection. Typical applications include main or feeder protection in commercial and industrial electrical systems, motor control centers, and distribution panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 450A
  • Dimensions: Standard 3-pole molded case frame
  • Standards: UL Listed
  • Applications: Industrial power distribution, feeder protection, motor control centers
  • Switch Type: Molded Case
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Standard molded case packaging
  • Phase: 3
  • Voltage: 480V
  • Amperage: 450A
  • AIC rating: 65kA@480V
  • Connection: Line and load terminals
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Overcurrent and short-circuit protection
  • Frame Size: 3VA54
  • Trip Type: Thermal Magnetic
  • Panel Type: Panelboard or switchboard
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel or switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 450A
  • Dist Voltage: 480V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 450A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Open type (molded case)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 450A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Molded Case
  • Wire Size: Not specified
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Standard line/load
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: 3VA54
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 3VA54
  • Current Rating: 450A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 80476679209
  • GTIN: 00804766792090