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Square D HLL36045 - Molded Case Circuit Breaker 45A 600V 3P

Square D
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Square D HLL36045 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 45A current rating and a 600V voltage rating, housed within a compact H-frame measuring 163 mm x 104 mm x 86 mm (6.4 in x 4.09 in x 3.4 in) and weighing 4.12 lb. The breaker utilizes a thermal-magnetic trip mechanism for long-time and instantaneous (LI) protection, offers a 100kA interrupting capacity at 480V, and is constructed with lug terminals compatible with copper or aluminum conductors from 14 AWG to 3/0 AWG. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards for safety and performance, making it suitable for use in industrial panels, switchboards, and motor control centers where robust, feed-thru circuit protection is required.

Key Features & Specifications
  • Type: HLL Series Molded Case Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 600V AC
  • Current Rating: 45A
  • Dimensions: 163 mm H x 104 mm W x 86 mm D (6.4 in x 4.09 in x 3.4 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Motor Control Centers, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 3
  • Amperage: 45A
  • AIC Rating: 100kA @ 480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: H
  • Terminal Connection: Lug
  • Wire Size: 14 AWG to 3/0 AWG (Cu/Al)
  • Certification: UL, CSA, NOM
  • MCM Size: Min. 14 AWG, Max. 3/0 AWG (Cu/Al)
  • Mounting: Panel Mount
  • Hz: 50/60 Hz
  • Enclosure: Molded Case
  • Circuit Breaker Mounting Style: Fixed
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Compatible Frames: Powerpact H-Frame
  • Installation Type: Fixed
  • Breaker Frame: H
  • Operating Temperature Maximum Celsius: 70 °C


Product Identification
  • UPC: 785901883791
  • GTIN: 00785901883791