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Square D HDL36020AABCSH - 3 Pole 20A Molded Case Breaker

Square D
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Square D HDL36020AABCSH is a three-pole molded case circuit breaker designed for overcurrent protection in industrial and commercial power distribution systems. It is rated for 20A at 600VAC and 250VDC, providing LI (Long-Time and Instantaneous) protection via a thermal magnetic trip unit. This unit mount breaker weighs 5.19 lb, features a feed-thru connection, and is built on an H frame with a breaking capacity code D. It is UL 489 listed, with an AIC rating of 18kA at 480V and additional interrupt ratings of 25kA at 240V and 14kA at 600V. Typical applications include protecting branch circuits and feeders in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker
  • Manufacturer: Square D
  • Model: HDL36020AABCSH
  • Current Rating: 20 Amp
  • Voltage Rating: 600 VAC / 250 VDC
  • Poles: 3 Pole
  • Frame Type: H Frame
  • Mounting Type: Unit Mount
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Interrupt Rating: 25 kA at 240 V, 18 kA at 480 V, 14 kA at 600 V
  • Breaking Capacity Code: D
  • Weight: 5.19 lb
  • UL Listing: UL 489