Square D BJA260504 - Molded Case Circuit Breaker 50A 600V
Square D BJA260504 - Molded Case Circuit Breaker 50A 600V

Square D BJA260504 - Molded Case Circuit Breaker 50A 600V

Square D
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Square D BJA260504 is a 2-pole molded case circuit breaker designed for thermal magnetic protection in industrial power distribution systems. It is rated for 600V AC, 50A continuous current, and provides a 65kA interrupting capacity at 480V AC with long time and instantaneous trip functions. The unit measures 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (H x W x D), weighs 2.099 lb, and features an I-Line style plug-in connection accepting AWG 14 to AWG 2/0 aluminum or copper wire. It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-5-1, 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 single-phase applications in industrial panelboards and switchboards operating within -13 to 158 °F (-25 to 70 °C).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Voltage Rating: 600V AC
  • Current Rating: 50A
  • Dimensions: 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Standards: UL 489, CSA C22.2 No 5, EN/IEC 60947-5-1, EN/IEC 60947-2, GB 14048.2, NEMA AB1, NMX J-266
  • Applications: Industrial panelboards and switchboards
  • Switch Type: I-Line Style Plug-In
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Amperage: 50A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • 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: I-Line Style 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 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 applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14 to AWG 2/0 aluminum/copper
  • Amperage Maximum: 50A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: I-Line Style Plug-In
  • Wire Size: AWG 14 to AWG 2/0 aluminum/copper
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line Style Plug-In
  • Terminal Connection: I-Line Style Plug-In
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: UL 489, CSA C22.2 No 5, EN/IEC 60947-5-1, EN/IEC 60947-2, GB 14048.2, NEMA AB1, NMX J-266
  • Compatible Frames: Not specified
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 50A
  • 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: Not specified
  • GTIN: Not specified