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Square D HDL36040LU - 40A 3-Pole Molded Case Circuit Breaker

Square D
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Square D HDL36040LU is a 40 Amp 3-Pole Powerpact H Frame molded case circuit breaker from Schneider Electric, designed for thermal magnetic protection with LI (Long-Time and Instantaneous) functions. It is rated for 600 VAC maximum voltage and 250 VDC, with an AIC rating of 18 kA at 480 VAC, and supports a current rating of 40 A across 3 phases. The unit measures 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth), weighs 3.999 lb, and features a feed-thru connection with wire size compatibility from AWG 14 to AWG 3/0 for aluminum or copper terminals. It complies with UL 489, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM. This circuit breaker is suitable for industrial applications requiring reliable overcurrent protection in 50/60 Hz systems.

Key Features & Specifications
  • Type: HDL
  • Family: Powerpact
  • Frame Size: H Frame
  • Poles: 3
  • Current Rating: 40 A
  • Voltage Rating: 600 VAC / 250 VDC
  • Interrupt Rating: 25 kA @ 240 VAC, 18 kA @ 480 VAC, 14 kA @ 600 VAC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Wire Size: AWG 14...AWG 3/0 aluminium/copper terminal
  • Mounting Type: Unit Mount
  • Dimensions: 6.4 in (163 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 3.999 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Frequency: 50/60 Hz
  • Country of Origin: United States


Product Identification
  • UPC: 785901219408
  • GTIN: 00785901219408