Square D PowerPacT M-Frame 800...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$13,496.23
Square D PowerPacT M-Frame 800A 3-Pole Circuit Breaker, 600VAC, Electronic Trip

Square D PowerPacT M-Frame 800A 3-Pole Circuit Breaker, 600VAC, Electronic Trip

(No reviews yet) Write a Review

Model: MGM36800

In Stock (leaves warehouse same day if ordered before 3pm ET)

$13,496.23
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Square D PowerPacT M-Frame 800A 3-Pole Circuit Breaker, 600VAC, Electronic Trip

The Square D PowerPacT M-Frame circuit breaker is a molded-case, 3-pole device rated 800A at 600V AC, engineered to protect electrical systems from damage caused by overloads and short circuits. It features a fixed long-time electronic trip unit (ET 1.0) with an 80% continuous current rating and a lugs electrical connection, making it suited for commercial and industrial distribution equipment. The breaker is listed to UL, CSA, and NOM standards and built to IEC 60947-2 and NEMA requirements for dependable, code-compliant performance.

Key Features

  • Amperage & Poles: 800A continuous rating in a 3-pole configuration for high-capacity feeder and main protection.
  • Electronic Trip Unit: Basic ET 1.0 electronic trip technology delivers fixed long-time overload and short-circuit protection.
  • Voltage Ratings: 600V AC operational voltage (Ue, UL 489), 750V rated insulation voltage (Ui), and 8kV rated impulse withstand voltage (Uimp) per IEC 60947-2.
  • Breaking Capacity: Rated 18kA, with Ics service breaking capacity of 25kA at 240V AC and 20kA at 380/415V AC per IEC 60947-2.
  • Electrical Connection: Lugs on the line side and terminal nut on the load side, with unit-mount (lug) mounting for panelboard installation.
  • Continuous Current Rating: 80% rated for standard continuous-duty applications.
  • Conductor Range: Accepts 3 x AWG 3/0 through 3 x 500 kcmil aluminum/copper conductors, tightened to 50-50 N.m torque.
  • Local Signaling: Includes 1 green trip indicator for local status visibility.

Certifications & Compliance

  • UL Listed
  • CSA Certified
  • NOM Certified (NOM-003-SCFI-2000)
  • Rated to IEC 60947-2 and NEMA standards
  • Suitable for isolation per IEC 60947-2

Technical Specifications

  • Warranty: 18 months
  • Warranty Period: 18 months
  • Sustainable Packaging: Yes
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: Yes
  • Tier Id: 1
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • Poles Description: 3P
  • Serviceability: Yes
  • With Recycled Cardboard: Yes
  • WEEE Product Category: 4
  • China ROHS In Scope: No
  • Return Indicator: Y
  • Terminal Identifier: AL800M23K
  • Take Back: No
  • Quantity Per Set: 1
  • Tier: 1
  • Returnability: Yes
  • Field Service Division: PPIBS
  • Magnetic Tripping Current: 1600-8000 A

Typical Applications

  • Commercial and Industrial Electrical Distribution
  • Panelboard and Switchboard Main or Feeder Protection
  • Motor and Feeder Circuit Protection
  • New Construction and Panel Retrofit Projects
  • Control Panel and OEM Equipment Integration

Why Square D?

Square D PowerPacT M-Frame circuit breakers combine electronic trip technology with UL, CSA, and NOM certifications to deliver code-compliant overload and short-circuit protection for demanding commercial and industrial systems. With an average life duration of 15 years and a wide range of field-installable accessories, this breaker is built for long-term reliability in professional electrical installations.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker
Series:
PowerPacT M
Voltage Rating:
600VAC
Amperage Rating:
800A
Configuration:
3-Pole
Listing:
UL Listed
Product Color:
Black
Department:
Electrical
Product Group:
Circuit Protection
Product Subgroup:
Circuit Breakers

Square D MGM36800 – Frequently Asked Questions

1) What size conductors will the Square D MGM36800 800A breaker terminate?
The lug terminals on the MGM36800 take three conductors per pole, from AWG 3/0 up to 500 kcmil, aluminum or copper, torqued to 50 N.m. Line side is lugs, load side is a terminal nut. If your feeder is a parallel run inside that range you can land it directly; anything larger per pole needs a different termination arrangement.
2) Is 18kA enough interrupting rating for my 480V panelboard?
The PowerPacT M-Frame 800A breaker is rated 18kA interrupting. Under IEC 60947-2 its service breaking capacity (Ics) is 25kA at 240V AC and 20kA at 380/415V AC. You need your utility or engineer's available fault current at the point of installation to be at or below the breaker's rating for that system voltage. On a high-capacity 480V service the available fault current often exceeds 18kA, so check the short-circuit study before committing to this AIR class.
3) Is the trip unit on the MGM36800 adjustable, or is it fixed?
It uses the basic ET 1.0 electronic trip unit, which is fixed long-time. You get overload and short-circuit protection without adjustable pickup or delay dials. Magnetic tripping current falls in the 1600 to 8000 A range. If your coordination study calls for adjustable long-time, short-time, instantaneous or ground fault settings, you need a higher-level trip unit, not ET 1.0.
4) Can I use an ABB ST200M miniature circuit breaker instead of the PowerPacT M 800A breaker?
No. The ST200M is a miniature circuit breaker built to UL1077, which is a supplementary protector standard, while the Square D MGM36800 is a UL Listed 800A molded-case breaker rated for 600VAC branch and feeder protection in commercial and industrial distribution equipment. A UL1077 supplementary device cannot serve as the branch or main overcurrent protection the PowerPacT M is applied for.
5) What is the closest ABB alternative to the Square D PowerPacT M 800A 3-pole breaker?
The Square D MGM36800 is a molded-case 3-pole breaker rated 800A at 600VAC with an ET 1.0 electronic trip unit and lug connections. On the ABB side, the closest device type is the A2N Series 3-pole molded case circuit breaker (A2A150TT), which is also a UL Listed 3-pole molded case breaker. Match the frame ampere rating and interrupting rating on the ABB catalog number to the 800A duty before substituting, since the Square D unit is sized for feeder and main protection at 800A.
6) Will this Square D breaker satisfy a spec calling for UL 489 and CSA on a 600V system?
Yes. The 800A M-Frame breaker is UL Listed, CSA Certified, and NOM Certified to NOM-003-SCFI-2000, built to IEC 60947-2 and NEMA requirements, and suitable for isolation per IEC 60947-2. Operational voltage is 600V AC under UL 489, with 750V rated insulation voltage and 8kV impulse withstand.
7) Can I use the 800A PowerPacT M as a main breaker in a switchboard, or only as a feeder?
Either. The 800A 3-pole M-Frame is intended for main or feeder protection in panelboards and switchboards, plus motor and feeder circuits, control panels, and OEM equipment. Mounting is unit-mount (lug) rather than plug-on, so the enclosure must be prepped for a unit-mount frame.
8) What is the difference between this M-Frame electronic breaker and a thermal magnetic molded case breaker?
The MGM36800 trips electronically through the ET 1.0 unit, which holds its trip characteristic independent of ambient temperature. A thermal magnetic breaker such as the ABB E150 Series 3-pole uses a bimetal element for overload plus a magnetic element for short circuit, and its overload curve shifts with ambient heat. Thermal magnetic is the common choice on smaller branch and feeder frames; electronic trip is what you see at the 800A feeder and main level where coordination matters.
9) What is the difference between the PowerPacT M 800A breaker and an ABB E150 thermal magnetic breaker?
The difference is the trip technology. The Square D MGM36800 uses an ET 1.0 electronic trip unit with fixed long-time overload and short-circuit protection, with magnetic tripping current in the 1600-8000A band. The ABB E150 Series is a 3-pole thermal magnetic circuit breaker, meaning it relies on a bimetal and magnetic element rather than an electronic sensing unit. Choose the electronic trip where the specification calls for electronic sensing on an 800A feeder.
10) Is the ABB XT4 breaker kit a substitute for the Square D MGM36800?
They are not interchangeable devices. The ABB XT4 item is a 3-pole molded case circuit breaker kit in the XT4 frame, while the MGM36800 is a complete 800A 3-pole PowerPacT M-Frame breaker with lugs on the line side and terminal nut on the load side, accepting 3 x AWG 3/0 through 3 x 500 kcmil conductors. The XT4 frame is a smaller molded case frame class, so confirm the ampere frame before considering it for an 800A feeder.
11) How do I tell at a glance whether this breaker has tripped?
There is one green trip indicator on the face for local status. That is the only signaling included as standard, so if you need remote alarm or bell contacts back to a BMS, those are field-installable accessories ordered separately.
12) Can the MGM36800 be serviced and are accessories field installable?
Yes on both counts. The breaker is listed as serviceable and Square D offers a range of field-installable accessories for the PowerPacT M frame. Stated average life duration is 15 years.
How fast can I get the Square D MGM36800 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D MGM36800 come with a warranty?
Absolutely. The Square D MGM36800 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D MGM36800?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D MGM36800 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!