HGL36100CU44X 100A 3-Pole Circuit Breaker (Square D PowerPact H, MicroLogic 6.2A, 600V)

HGL36100CU44X 100A 3-Pole Circuit Breaker (Square D PowerPact H, MicroLogic 6.2A, 600V)

Trying to confirm whether the HGL36100CU44X is the right breaker for your panel? Here's a plain rundown. This is a Square D PowerPact H-Frame circuit breaker — a 100-amp, 3-pole unit for 600-volt systems that protects wiring and equipment from overloads and short circuits. The "molded case" part just means the breaker mechanism is sealed inside a sturdy insulating housing.

What sets this exact model apart is its electronic trip unit, called MicroLogic 6.2A. Instead of a fixed thermal-magnetic trip, it gives you adjustable protection (long-time, short-time, instantaneous, and ground fault — together called LSIG) and a built-in ammeter that shows how much current is flowing. It is also "100% rated," meaning it can safely carry its full 100A continuously rather than the 80% that standard breakers are limited to.

Common Applications

• Protecting feeder and branch circuits in commercial or industrial panels
• Replacing an existing H-Frame breaker of the same model
• Setups that need ground-fault protection inside the breaker
• Circuits that run at full load continuously
• Monitoring current with the built-in ammeter

Key Features

• Electronic MicroLogic 6.2A trip: Adjustable LSIG protection with a built-in current display.
• 100% rated: Handles its full 100A rating continuously.
• 3-pole, 600V: Built for three-phase systems up to 600 volts.
• Strong fault protection: Interrupts up to 65,000 amps at 240V.
• Easy mounting: Unit-mount design with screw lugs for line and load wires.

Specifications

• Manufacturer: Square D by Schneider Electric
• Part Number: HGL36100CU44X
• Type: PowerPact H-Frame molded case circuit breaker
• Rated Current: 100A
• Poles: 3-pole, 3-phase
• Voltage: 600VAC (also 250VDC rated)
• Trip Unit: MicroLogic 6.2A electronic, LSIG with ammeter
• Continuous Rating: 100%
• Interrupting Rating: 65kA@240V / 35kA@480V / 18kA@600V / 20kA@250VDC
• Wire Connection: Line and load lugs, AWG 14–3/0 Al/Cu
• Certifications: UL 489 Listed, CSA, NEMA, NOM, IEC 60947-2, CE

Product Identification

• Country of Origin: Mexico
• Dimensions: 6.4 in H × 4.12 in W × 4.36 in D
• Net Weight: 4.8 lb

FAQ

What is the HGL36100CU44X? A Square D 100A, 3-pole, 600V circuit breaker from the PowerPact H-Frame family with an electronic MicroLogic 6.2A trip unit.

What does "MicroLogic 6.2A" mean? It's the electronic trip unit. The "6" means it includes ground-fault protection (full LSIG), and it has a built-in ammeter to read current.

What does "100% rated" mean? It can safely carry its full 100A rating all the time, unlike standard breakers limited to 80%.

Is this the same as the HGL36100? No. The plain HGL36100 is thermal-magnetic and 80% rated. This model is electronic and 100% rated.

How many wires does it connect? Three poles, with a line and load lug per pole for AWG 14–3/0 aluminum or copper wire.