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Square D BJL16040 - 1-Pole 40A 600V Molded Case Breaker

Square D
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Square D BJL16040 is a 1-pole molded case circuit breaker from the Powerpact family, designed to provide thermal-magnetic protection (LI - Long-Time and Instantaneous) for electrical distribution equipment and industrial control panels. This 40A breaker operates at 600VAC with a 65kA interrupting capacity at 480VAC, featuring Everlink lug connections on both ends for feed-thru wiring. The unit measures 5.4 in (137 mm) x 1.06 in (27 mm) x 3.1 in (80 mm) and weighs 1 lb, with a 125A/BJ frame size and a temperature rating of -13 to 158 °F (-25 to 70 °C). It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, NEMA AB1, and other international standards, carrying certifications from UL, IEC, CCC, EAC, CSA, and NOM. This breaker is suitable for single-phase applications with any phase connection, accepting wire sizes from AWG 14 to AWG 3/0 (rigid or stranded) and AWG 6 to AWG 2/0 (fine stranded) for aluminum or copper conductors.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Powerpact family, BJL type, thermal-magnetic protection
  • Voltage Rating: 600VAC
  • Current Rating: 40A
  • Dimensions: 5.4 in (137 mm) x 1.06 in (27 mm) x 3.1 in (80 mm) (H x W x D)
  • Standards: UL 489, CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, EN/IEC 60947-5-1, NMX J-266, NEMA AB1
  • Applications: Electrical distribution equipment, industrial control panels
  • Switch Type: Standard breaker
  • Configuration: 1-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: 5.4 in x 1.06 in x 3.1 in
  • Phase: 1
  • Voltage: 600V
  • Amperage: 40A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 1
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 125A/BJ
  • Trip Type: Thermal-magnetic
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Breaker Type: Standard
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 14 AWG, 6 AWG; Max. Wire Size 2 AWG, 3 AWG
  • 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: Not specified
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • 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...AWG 3/0 rigid or stranded; AWG 6...AWG 2/0 fine stranded
  • Amperage Maximum: 40A
  • Amperage Minimum: 40A
  • Nema Rating: Not specified
  • Switch Style: Standard
  • Wire Size: AWG 14...AWG 3/0 rigid or stranded; AWG 6...AWG 2/0 fine stranded
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Everlink Lug Both Ends
  • Frequency Rating: Not specified
  • Phase Connection: Any
  • Standards: EN/IEC 60947-2, CSA C22.2 No 5, GB 14048.2, EN/IEC 60947-5-1, NMX J-266, UL 489, NEMA AB1
  • Compatible Frames: 125A/BJ
  • Installation Type: Feed-Thru
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BJ
  • Current Rating: 40A
  • 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: 606481193936