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Square D BJA160203 - Molded Case Circuit Breaker 20A 600V (1-Pole I-Line)

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Square D BJA160203 is a 1-pole Powerpact molded case circuit breaker from Schneider Electric designed for thermal-magnetic overcurrent protection in industrial power distribution systems. It is rated for 600V AC at 20A with a 100kA interrupting capacity at 240V, utilizing an I-Line style plug-in connection and lug terminals for wire sizes from 14 AWG to 2/0 AWG (copper/aluminum). The unit measures 5.4 in x 1.06 in x 3.5 in (137 mm x 27 mm x 89 mm), weighs 1.781 lb, and operates within a temperature range of -13°F to 158°F (-25°C to 70°C). It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, NEMA AB1, and NMX J-266 standards, with certifications from UL, IEC, CCC, EAC, CSA, and NOM. This breaker is suitable for industrial panelboards and switchboards requiring single-phase, B-phase connection with long-time and instantaneous trip functions.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact Family, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Dimensions: 5.4 in (137 mm) x 1.06 in (27 mm) x 3.5 in (89 mm) (H x W x D)
  • Standards: UL 489, CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, NEMA AB1, EN/IEC 60947-5-1, NMX J-266
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: I-Line Style Plug-In
  • Configuration: 1 Pole, B Phase Connection
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Amperage: 20A
  • AIC rating: 100kA@240V
  • Connection: I-Line Style Plug-In, Lug Terminal
  • Poles: 1
  • Protection: Thermal Magnetic (Long Time and Instantaneous Trip)
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: J
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. 14 AWG, Max. 2/0 AWG (Cu/Al)
  • 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: I-Line Plug-In
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14 to AWG 2/0 (Cu/Al)
  • Amperage Maximum: 20A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: I-Line
  • Wire Size: AWG 14 to AWG 2/0 (Cu/Al)
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: I-Line, Lug
  • Frequency Rating: Not specified
  • Phase Connection: B
  • Standards: EN/IEC 60947-2, CSA C22.2 No 5, UL 489, GB 14048.2, NEMA AB1, EN/IEC 60947-5-1, NMX J-266
  • Compatible Frames: J Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: J
  • Current Rating: 20A
  • 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: 606481154170
  • GTIN: 03606481154170