Eaton / Cutler-Hammer LGS3350FAG Molded Case Circuit Breaker
- 350A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer LGS3350FAG - 350A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Engineered for heavy-duty applications, the LGS3350FAG is a 350A, 3-pole MCCB from Eaton's Series G lineup. It provides long-time and instantaneous protection via a thermal-magnetic trip unit. The LG-frame breaker mounts into compatible Eaton Series G switchboards and motor control centers. It accepts 500-750 kcmil wiring and is replaced by the PDG33K0350TFAJ. Delivering 50kAIC at 480VAC, this current-limiting breaker is HACR rated and supports reverse feed configurations.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | LGS3350FAG |
| Series | LGS |
| Amperage | 350A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC, 22kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series G Panelboards, Switchboards, MCCs |
| Wire Gauge | 500-750 kcmil (Al/Cu) |
| Max Wire | 750 kcmil |
| Min Wire | 500 kcmil |
| 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, Rotary Handle, Terminal Shields, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, 80% Rated |
Product FAQs
7 answersWhat enclosures or panelboards are compatible with the LGS3350FAG?
This LG-frame breaker is designed for use in Eaton Series G panelboards, switchboards, and motor control centers.
What wire sizes are accepted by the standard lugs on the LGS3350FAG?
The standard line and load lugs accept 500 to 750 kcmil aluminum or copper wire.
Can the trip settings be adjusted on the LGS3350FAG?
The thermal overload setting is fixed at 350 amps and cannot be changed. However, the magnetic instantaneous trip is adjustable, allowing you to tune the short-circuit response.
Is the LGS3350FAG rated for use in DC electrical systems?
Yes, this breaker is rated for DC applications up to 250V DC, with a maximum interrupting capacity of 22 kAIC.
What does the FAG suffix mean in the LGS3350FAG catalog number?
In the Eaton Series G nomenclature, FA indicates a fixed thermal and adjustable magnetic trip unit. The G signifies that standard line and load lugs are included, along with metric mounting hardware.
Is this a unit-mount or plug-on circuit breaker?
The LGS3350FAG is a unit-mount breaker. It bolts directly to the mounting surface and uses cable-in, cable-out connections rather than plugging into a busbar.
Does this breaker provide ground fault protection?
No, the standard thermal-magnetic trip unit on the LGS3350FAG provides long-time and instantaneous protection only. It does not include built-in ground fault protection.
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