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Siemens WML33225RJ - Molded Case Circuit Breaker 225A 600V

Siemens
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Siemens WML33225RJ is a molded case circuit breaker designed for primary overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 600V AC and carries a continuous current rating of 225A, with a high interrupting capacity suitable for robust fault management. The unit features a compact three-pole construction with a thermal-magnetic trip mechanism, weighing 5.19 lb, and is built for panelboard or switchboard installation. This breaker complies with UL 489 and CSA standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, lighting panels, and feeder circuits in manufacturing plants and commercial facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, three-pole
  • Voltage Rating: 600V AC
  • Current Rating: 225A
  • Dimensions: Standard frame size for panelboard mounting
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers, feeder circuits
  • Switch Type: Circuit breaker
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard for frame size
  • Phase: Three-phase
  • Voltage: 600V AC
  • Amperage: 225A
  • AIC rating: 25kA at 480V
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: W
  • 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: Up to 250 MCM
  • Metal Type: Copper or aluminum
  • Panel Style: Industrial
  • Bus Type: Copper
  • Fuse Class: Not applicable
  • Insulation Temperature: 75°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panelboard or switchboard
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 150 HP at 480V
  • Aux Contacts: Optional
  • CPT: Not included
  • Full Load Amps: 225A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 225A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open type
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 225A
  • Amperage Minimum: 0A
  • Nema Rating: Not applicable
  • Switch Style: Not applicable
  • Wire Size: 14 AWG to 250 MCM
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA
  • Compatible Frames: W frame
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: W
  • Current Rating: 225A
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 04089217092
  • GTIN: 00040892170924