Square D MGM36600 Molded Case Circuit Breaker
- 600A
- 3 Pole
- Unit Mount
Square D
MGM36600
Molded Case Circuit Breaker
Brand
Square D
SKU
MGM36600
Quantity
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Square D MGM36600 - 600A 3 Pole Molded Case Circuit Breaker
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Description
Providing robust circuit protection, the Square D MGM36600 is a 3-pole, 600A PowerPacT M-Frame molded case circuit breaker. This unit-mount MCCB installs into Square D QED switchboards and Model 6 motor control centers. It includes factory-installed lugs accommodating (3) 3/0 AWG to 500 kcmil wire. With a 35 kAIC rating at 480V, it features an ET 1.0 electronic trip unit with long-time and instantaneous (LI) functions. The microprocessor design offers superior accuracy.Specifications
| Brand | Square D |
|---|---|
| Part Number | MGM36600 |
| Series | MGM |
| Amperage | 600A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 18kA @ 600VAC |
| Frame Type | MGM |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Square D Model 6 Motor Control Centers, Industrial Control Panels |
| Wire Gauge | (3) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Auxiliary Switch, Alarm Switch, Shunt Trip, Undervoltage Release |
|---|---|
| Accessories | Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, 80% Rated, Push-To-Trip, Mercury Free, PVC Free |
Product FAQs
8 answersWhat are the interrupting ratings for the MGM36600 at different voltage levels?
The G-class interrupting rating of this PowerPacT M-frame breaker provides 65 kA at 240VAC, 35 kA at 480VAC, and 18 kA at 600VAC.
What is the required lug torque for the MGM36600 terminals?
The terminal lugs, which accept three 3/0 AWG to 500 kcmil aluminum or copper conductors per phase, require a tightening torque of 442.5 lbf-in (50 N-m).
Is the MGM36600 rated for 100 percent continuous current?
No, this standard-rated circuit breaker is designed for 80 percent continuous current loading.
How is the ET 1.0 electronic trip unit configured on this breaker?
The ET 1.0 trip unit provides LI (Long-Time and Instantaneous) protection. It features fixed thermal and adjustable magnetic settings to handle overloads and short circuits.
Where can the unit-mount MGM36600 be installed?
This bolt-on breaker is compatible with Square D QED switchboards, Model 6 motor control centers, and custom industrial control panels.
What are the physical dimensions of the PowerPacT M-frame MGM36600?
The breaker measures 12.86 inches high, 8.27 inches wide, and 8.05 inches deep.
Can the amperage of the MGM36600 be upgraded?
The MGM36600 is built on the 800A PowerPacT M-frame but is factory-equipped with a 600A sensor. The continuous current rating is determined by the installed sensor and rating plug, which cannot exceed the 800A maximum frame size.
Does the MGM36600 include a push-to-trip feature?
Yes, all PowerPacT circuit breakers feature an integral push-to-trip button on the cover, allowing you to manually trip the breaker to verify the operating mechanism is functioning correctly.
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