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920315070 - Molded Case Circuit Breaker 250A 600V AC

United Fuses
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The 920315070 is a high-performance industrial circuit breaker designed for primary overcurrent and short-circuit protection in electrical distribution systems. It is rated for 600V AC and 250A continuous current, ensuring robust protection for heavy-duty machinery and power panels. This unit features a compact, molded case construction with a weight of 5.19 lb, incorporating a thermal-magnetic trip mechanism for reliable response to both overloads and faults. It complies with UL 489 and CSA C22.2 standards, making it suitable for commercial and industrial environments requiring rigorous safety certifications. Typical applications include motor control centers, switchboards, and main distribution panels in manufacturing plants and data centers.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Weight: 5.19 lb
  • Standards: UL 489, CSA C22.2
  • Applications: Motor control centers, switchboards, main distribution panels
  • Trip Type: Thermal-magnetic
  • Phase: 3
  • Poles: 3
  • Frame Size: 250A frame
  • Connection: Line and load side lugs
  • Frequency Rating: 50/60 Hz
  • Installation Type: Panel mount
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Copper or aluminum lugs
  • Operating Temperature Maximum Celsius: 40°C
  • Insulation Temperature: 75°C
  • Nema Rating: 1 (indoor)
  • Enclosure: Open style
  • Compatible Frames: 250A frame
  • Breaker Frame: 250A
  • Current Rating: 250A
  • Amperage Maximum: 250A
  • Amperage Minimum: 0A
  • Full Load Amps: 250A
  • Full Load Amp Maximum: 250A
  • Full Load Amp Minimum: 0A
  • Horse Power: 150 HP at 480V
  • Aux Contacts: 1 NO/NC
  • CPT: Not included
  • Dist Voltage: 600V
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Coil Voltage Maximum: N/A
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • Wire: Copper or aluminum
  • Wire Size: #14 to 4/0 AWG
  • MCM Size: 250 MCM
  • Metal Type: Copper
  • Panel Style: NEMA 1
  • Bus Type: Copper
  • Fuse Class: N/A
  • 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: Panel
  • Hz: 50/60
  • Coil Material: N/A
  • Switch Type: N/A
  • Configuration: 3-pole
  • Switch Style: N/A
  • Certification: UL, CSA
  • Nema Starter Size: N/A
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA C22.2
  • Item QTY: 1
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A
  • AIC rating: 25 kA at 480V
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit protection
  • Panel Type: Distribution
  • Breaker Type: Molded case
  • Shipping Dimensions: 6 x 4 x 4 inches
  • Temp Rating: 40°C


Product Identification
  • UPC: Not available
  • GTIN: Not available