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Square D QOB320-1021 - Molded Case 20A 3-Pole Breaker

Square D
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Condition
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Square D QOB320-1021 is a 3-pole, 20A molded case circuit breaker from the QOB Series, designed for thermal-magnetic protection against overloads and short circuits in industrial and commercial power distribution systems. It operates at a voltage rating of 120/240VAC with a current rating of 20A, providing LI (Long-Time and Instantaneous) protection functions and an AIC rating of 10 kA at 120/240 V AC 50/60 Hz, 10 kA at 240 V AC 50/60 Hz, 10 kA at 120 V AC 50/60 Hz, and 5 kA at 48 V DC. This bolt-on mounted breaker features a pressure plate terminal connection, accepts AWG 14 to AWG 8 copper or aluminum wire, and weighs 5.19 lb. It is UL Listed and CSA certified, suitable for 3-phase applications with a frequency rating of 50/60 Hz.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, QOB Series
  • Voltage Rating: 120/240VAC
  • Current Rating: 20A
  • Dimensions: Not specified
  • Standards: CSA, UL Listed
  • Applications: Industrial and commercial power distribution
  • Switch Type: Not specified
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 120/240VAC
  • Amperage: 20A
  • AIC rating: 10 kA 120/240 V AC 50/60 Hz, 10 kA 240 V AC 50/60 Hz, 10 kA 120 V AC 50/60 Hz, 5 kA 48 V DC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Not specified
  • 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: Bolt-On
  • Hz: 50/60
  • 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: 20A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 14, AWG 8 Copper or Aluminium
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Pressure Plate
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: CSA, UL Listed
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 20A
  • 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: 7.85902E+11
  • GTIN: 7.85902E+11