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Square D BJL36020 - 3-Pole 20A 600V Molded Case Breaker

Square D
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The Square D BJL36020 is a 3-pole molded case circuit breaker from the Powerpact family, designed to provide thermal-magnetic protection for electrical distribution equipment and industrial control panels. It is rated for 600V AC, 20A continuous current, with a 65kA interrupting capacity at 480V, and features LI (Long-Time and Instantaneous) trip functions for overcurrent protection. This compact breaker measures 5.4 in x 3.2 in x 3.1 in (H x W x D), weighs 2.921 lb, and uses Everlink lugs on both ends for feed-thru connections, accommodating wire sizes from 14 AWG to 3/0 AWG (copper/aluminum). It complies with UL 489, CSA C22.2 No 5, NEMA AB1, and international standards including IEC and CCC, operating within a temperature range of -13°F to 158°F (-25°C to 70°C). Typical applications include branch circuit protection in commercial and industrial power distribution systems, motor control centers, and panelboards requiring reliable overcurrent and short-circuit protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 20A
  • Dimensions: 5.4 in (137 mm) x 3.2 in (81 mm) x 3.1 in (80 mm) (Height x Width x Depth)
  • Standards: UL 489, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-2, GB 14048.2, NMX J-266
  • Applications: Electrical Distribution Equipment, Industrial Control Panels
  • Switch Type: Standard Breaker
  • Configuration: 3-Pole, 3-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: 5.4 in x 3.2 in x 3.1 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 20A
  • AIC rating: 65kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • 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 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: Not specified
  • 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 6...AWG 2/0 fine stranded aluminium/copper; AWG 14...AWG 3/0 rigid or stranded aluminium/copper
  • Amperage Maximum: 20A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Standard
  • Wire Size: AWG 6...AWG 2/0 fine stranded aluminium/copper; AWG 14...AWG 3/0 rigid or stranded aluminium/copper
  • 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: ABC
  • Standards: NEMA AB1, EN/IEC 60947-5-1, UL 489, NMX J-266, CSA C22.2 No 5, GB 14048.2, EN/IEC 60947-2
  • Compatible Frames: 125A/BJ
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BJ
  • 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: 606481185993
  • GTIN: 03606480000000