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Square D GM24181-13 Molded Case Circuit Breaker
- 1200A
- 3 Pole
- Unit Mount
Square D
GM24181-13
Molded Case Circuit Breaker
Brand
Square D
SKU
GM24181-13
Quantity
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Square D GM24181-13 - 1200A 3 Pole Molded Case Circuit Breaker
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Description
Built for demanding commercial environments, the Square D GM24181-13 delivers 1200A of reliable power distribution. This 3-pole PowerPact P-frame breaker protects critical industrial circuits. Designed for unit-mount configurations, it integrates into Square D motor control centers and switchboards. It also functions as a direct substitute for the PGP36120CU33A. The breaker features a Micrologic 5.0 electronic trip unit, providing adjustable LSI settings for superior coordination.Specifications
| Brand | Square D |
|---|---|
| Part Number | GM24181-13-R |
| Series | GM |
| Amperage | 1200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC |
| Amperage Range | 480-1200A |
|---|
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D Motor Control Centers, Switchboards |
| Wire Gauge | (4) 3/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Trip Unit Model | MicroLogic 5.0 |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator |
|---|---|
| Accessories | Micrologic 5.0 Trip Unit (Factory Installed), Load Side 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 | 100% Rated, HACR Rated, True RMS Sensing |
Product FAQs
7 answersCan the GM24181-13 be used to replace a PGP36120CU33A?
Yes, the GM24181-13 serves as a direct substitute for the Square D PGP36120CU33A. Both are 1200A, 3-pole PowerPact P-frame breakers with LSI electronic trip units and identical interrupting capacities.
Which enclosures and panels are compatible with the GM24181-13?
This unit-mount breaker is engineered specifically for integration into Square D motor control centers and commercial switchboards. It is not compatible with I-Line panelboards, which require a plug-on mounting bracket.
What are the conductor requirements for the terminal lugs on this breaker?
The factory-installed lugs accommodate four 3/0 AWG to 500 kcmil conductors per phase. The terminals are rated for both aluminum and copper wire.
How does the LSI electronic trip unit benefit system coordination?
The LSI (Long-Time, Short-Time, Instantaneous) trip unit allows electricians to fine-tune the breaker's time-current curve. This adjustability ensures selective coordination with downstream breakers, isolating faults without tripping the main breaker.
Does the GM24181-13 include ground fault protection?
No, this breaker features an LSI trip unit. It does not include the Ground-Fault (G) function required for LSIG protection. If ground fault protection is required by the NEC for your application, a different trip unit or external relay is necessary.
What interrupting rating class does this PowerPact P-frame breaker have?
It features a G interrupt rating, which delivers a maximum breaking capacity of 65kA at 240VAC, 35kA at 480VAC, and 18kA at 600VAC.
Does this breaker require a separate mounting base for installation?
No, the GM24181-13 is a unit-mount breaker. It bolts directly to the switchboard bus or mounting pan and does not use a separate plug-in base like drawout or I-Line variants.
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