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ST202M-B20 - Molded Case Circuit Breaker 200A 600V AC

United Fuses
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The ST202M-B20 is a molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 200A, providing reliable fault interruption in three-phase applications. This unit features a compact, insulated case construction with a thermal-magnetic trip mechanism, weighing 5.19 lb for straightforward panel mounting. It complies with UL 489 and NEMA AB-1 standards for safety and performance. Typical applications include motor control centers, switchboards, and commercial building feeder circuits.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, insulated case
  • Voltage Rating: 600V AC
  • Current Rating: 200A
  • Dimensions: Not specified
  • Standards: UL 489, NEMA AB-1
  • Applications: Motor control centers, switchboards, commercial feeder circuits
  • Switch Type: Not specified
  • Configuration: Not specified
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Three-phase
  • Voltage: 600V AC
  • Amperage: 200A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: Not specified
  • Protection: Overcurrent
  • Functions: Not specified
  • Frame Size: Not specified
  • 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: Panel
  • 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: 200A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Three-phase
  • Standards: UL 489, NEMA AB-1
  • Compatible Frames: Not specified
  • Installation Type: Panel
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 200A
  • 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: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


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