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Square D HDL36070SA - MCCB 70A 600V 3P (18kA AIC)

Square D
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Square D HDL36070SA is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 70A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm x 104 mm x 86 mm (HxWxD) and weighing 5 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, offers an interrupting capacity of 18kA at 480V, and is compliant with UL, CSA, NEMA, and IEC 60947-2 standards. It is engineered for demanding environments with an operating temperature range of -25 to 70 °C and includes a 110/130V AC shunt trip for remote tripping capability, making it suitable for controlling and protecting feeders and branch circuits in industrial panels and switchgear.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker (MCCB) with Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 70A
  • Frame Size: H Frame
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA @ 480V AC
  • Connection: Feed-Thru
  • Protection Functions: Long-Time and Instantaneous (LI)
  • Trip Type: Thermal Magnetic
  • Wire Size: AWG 14 to AWG 3/0 (Aluminium/Copper Terminal)
  • Operating Temperature: -25 to 70 °C (-13 to 158 °F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Weight: 5 lb
  • Additional Feature: Complete with 110/130V AC Shunt Trip


Product Identification
  • UPC: 785901474869
  • GTIN: 00785901474869