Eaton / Cutler-Hammer LGS3300FAG Molded Case Circuit Breaker
- 300A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer LGS3300FAG - 300A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Rated for 300A, this Eaton Series G molded case circuit breaker delivers reliable thermal-magnetic protection for industrial facilities. The 3-pole unit features an adjustable magnetic trip mechanism. Designed as a unit-mount LG-frame device, it integrates into Eaton Series G panelboards and switchgear. For facility upgrades, note that this model is replaced by the PDG33K0300TFAJ. With an interrupting capacity of 50kAIC at 480VAC, it provides current-limiting capabilities and is HACR rated.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | LGS3300FAG |
| Series | LGS |
| Amperage | 300A |
| 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 | (2) 2/0 AWG - 500 kcmil (Al/Cu) |
| Max Wire | 500 kcmil |
| Min Wire | 2/0 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, 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, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, HACR Rated, Reverse Feed, 80% Rated |
Product FAQs
7 answersWhat does the FAG suffix mean in the LGS3300FAG 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 lug terminals are included with the breaker.
What wire size is accepted by the standard lugs on the LGS3300FAG?
The included line and load lugs accept two conductors per phase, ranging from 2/0 AWG to 500 kcmil for both aluminum and copper wire.
Which panelboards and enclosures are compatible with the LGS3300FAG?
This LG frame breaker is designed for use in Eaton Series G panelboards, switchboards, and motor control centers.
How is the trip unit configured on this breaker?
The LGS3300FAG features a thermal magnetic trip unit with a fixed thermal element for long-time overload protection and an adjustable magnetic element for instantaneous short-circuit protection.
What does the S stand for in the LGS prefix?
The S designates the standard interrupting capacity tier for the LG frame series, providing 50 kAIC at 480 VAC and 25 kAIC at 600 VAC.
Does this breaker come with mounting hardware?
Yes, the LGS3300FAG includes metric mounting hardware for unit mount installations in compatible enclosures.
Can the LGS3300FAG be used for global applications?
Yes, Eaton Series G breakers are designed for global acceptance and carry multiple international approvals, including UL, CSA, and IEC certifications.
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