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Square D BJA160205 - Molded Case Circuit Breaker 20A 1-Pole

Square D
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Square D BJA160205 is a 1-pole thermal magnetic molded case circuit breaker from the Powerpact family, designed for overcurrent protection in industrial power distribution systems. It provides a 20A current rating with a 600V voltage rating and an interrupting capacity of 100kA at 240V, utilizing long time and instantaneous trip functions for coordinated fault response. The unit measures 5.4 in (137 mm) x 1.06 in (27 mm) x 3.5 in (89 mm) and weighs 1.731 lb, featuring an I-Line style plug-in connection with load side lugs and supporting wire sizes from 14 AWG to 2/0 AWG in copper or aluminum. It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, NEMA AB1, NMX J-266, and GB 14048.2 standards, with certifications from UL, IEC, CCC, EAC, CSA, and NOM. This breaker is suitable for panelboard and switchboard applications requiring reliable thermal-magnetic protection in single-phase circuits.

Key Features & Specifications
  • Type: Molded Case
  • Manufacturer: Schneider Electric
  • Family: Powerpact
  • Country of Origin: Mexico
  • Type: BJA
  • Dimensions: 5.4 in (137 mm) x 1.06 in (27 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Weight: 1.731 lb
  • Min. Wire Size 14 AWG (Cu/Al) Max. Wire Size 2/0 AWG (Cu/Al)
  • Terminal Connection: I-Line, Lug
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: J
  • Voltage Rating: 600V
  • Poles: 1
  • Connection: I-Line Style Plug-In
  • Standards: EN/IEC 60947-5-1, CSA C22.2 No 5, EN/IEC 60947-2, UL 489, NEMA AB1, NMX J-266, GB 14048.2
  • Protection: Thermal Magnetic
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Phase Connection: C
  • AIC rating: 100kA@240V
  • Phase: 1
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Current Rating: 20A
  • Amperage: 20 Amps
  • Voltage: 600Y/347 VAC
  • Mounting Type: I-Line Plug-In
  • Interrupting Rating: 25kAIC at 600Y/347VAC, 65kAIC at 480V
  • Trip Unit: Thermal Magnetic with Long Time and Instantaneous Trip
  • Wire Gauge Range: 14 AWG to 2/0 AWG Aluminum/Copper
  • Operating Temperature: -25 to 70 °C
  • Terminal Connection: Load Side Lug
  • Color: Gray


Product Identification
  • UPC: 606481154180
  • GTIN: 03606480000000