Eaton / Cutler-Hammer LGE3350FAG Molded Case Circuit Breaker
- 350A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer LGE3350FAG - 350A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for commercial and industrial applications, the Eaton LGE3350FAG is a 350A, 3-pole MCCB from the Series G LG-frame family. It delivers reliable long-time and instantaneous (LI) protection via a fixed thermal and adjustable magnetic trip unit. This unit-mount breaker installs into Eaton Series G panelboards, switchboards, and motor control centers. Rated at 35 kAIC at 480VAC, the LGE3350FAG provides robust current-limiting protection and features high-speed blow-open action.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | LGE3350FAG |
| Series | LGE |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 22kA @ 250VDC |
| Frame Type | LG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 3 AWG - 500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Motor Operator, Handle Lock, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | -20C to 70C |
| Construction Features | HACR Rated, Current Limiting, 80% Rated |
Product FAQs
9 answersWhat does the "FAG" suffix indicate in the LGE3350FAG catalog number?
The "F" designates a fixed thermal, adjustable magnetic trip unit. The "G" indicates that standard line and load mechanical lugs are included with the breaker. Eaton models ending in a "W" suffix (e.g., LGE3350FAW) ship without these terminals.
What does the "E" in the LGE3350FAG part number represent?
The "E" specifies the interrupting capacity tier within Eaton's LG-Frame series. It denotes an E-Class rating, providing an interrupting capacity of 35 kAIC at 480VAC and 65 kAIC at 240VAC.
Is the LGE3350FAG rated for 80% or 100% continuous duty?
This standard model is 80% rated. Continuous loads, defined as those lasting 3 hours or more, must not exceed 280 amps (80% of its 350A rating). Eaton LG-Frame models certified for 100% continuous operation feature a "C" suffix at the very end of the part number.
How should this 3-pole breaker be wired for 2-pole applications?
When applying the 3-pole LGE3350FAG in a 2-pole AC or DC circuit, Eaton's application instructions specify wiring the circuit using the two outer poles, leaving the center pole un-terminated.
How is the trip curve configured on this breaker?
The LGE3350FAG utilizes a standard thermal-magnetic trip unit. The long-time thermal protection is fixed, while the instantaneous magnetic trip is adjustable. This allows the installer to fine-tune the short-circuit response threshold via a dial on the face of the breaker to properly coordinate with downstream equipment.
Can the LGE3350FAG be installed as a direct replacement in older Series C equipment?
No. Eaton Series G breakers, including the LG-Frame, have completely different physical dimensions and mounting footprints compared to legacy Series C breakers. This breaker is designed specifically for use in compatible Series G panelboards, switchboards, and motor control centers.
Is a 4-pole version of this breaker available for systems requiring neutral protection?
Yes. While the LGE3350FAG is a standard 3-pole breaker with no neutral protection, Eaton offers a 4-pole equivalent (catalog number LGE4350FAG) for applications that require a switched or fully protected neutral.
Does this breaker include built-in ground fault protection?
No. The standard LGE3350FAG with a thermal-magnetic trip unit does not provide ground fault protection or earth leakage monitoring. If ground fault protection is required by code, you must use an electronic trip unit variant (such as a Digitrip 310+ model) or implement an external ground fault relay system.
Is the LGE3350FAG HACR rated?
Yes, Eaton LG-Frame molded case circuit breakers are HACR rated. This certifies them for safe use in group motor applications such as heating, air conditioning, and commercial refrigeration equipment.
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