Eaton / Cutler-HammerEGH3050FFG
Eaton / Cutler-Hammer EGH3045FFG Molded Case Circuit Breaker
- 45A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGH3045FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGH3045FFG
Quantity
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Eaton / Cutler-Hammer EGH3045FFG - 45A 3 Pole Molded Case Circuit Breaker
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Description
Mounting into standard switchboards and Eaton Series G enclosures, the EGH3045FFG is a 3-pole, 45-amp molded case circuit breaker. As part of the EG-Frame family, it provides fixed thermal and magnetic (LI) protection for industrial applications. This unit mount MCCB is engineered with high-speed blow-open contacts to effectively limit let-through current during a fault. It boasts a 100kAIC rating at 240V and 65kAIC at 480V, ensuring reliable performance in demanding commercial environments.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3045FFG |
| Series | EGH |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600Y/347VAC, 42kA @ 250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Control Panels, Switchboards, Eaton Series G Enclosures |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Line and Load Lugs, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CCC, CE, CSA, IEC, KEMA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High Interrupting Capacity, Reverse Feed |
Product FAQs
7 answersCan the EGH3045FFG be mounted on a DIN rail?
Yes, this EG frame breaker supports both standard unit mounting on a backpan and DIN rail mounting for flexible installation in control panels and switchboards.
What wire sizes and materials are compatible with the lugs on this breaker?
The standard line and load lugs accept 14 AWG to 1/0 AWG wire and are rated for both copper (Cu) and aluminum (Al) conductors.
Can the trip settings on the EGH3045FFG be adjusted in the field?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions are factory set and cannot be modified.
What types of enclosures are suitable for this Series G breaker?
The EGH3045FFG is designed for use in Eaton Series G enclosures, as well as standard OEM control panels and switchboards.
Is this breaker rated for direct current (DC) applications?
Yes, it carries a DC rating of 250VDC with an interrupting capacity of 42kA, making it suitable for specific DC control and distribution circuits.
What does the H in the EGH3045FFG catalog number signify?
The H designates the high-tier interrupting rating for the EG frame family, providing 65kAIC at 480VAC. This is a higher rating than the standard EGB, EGE, or EGS variants.
What does the FFG suffix indicate on this Eaton breaker?
The FF indicates that the breaker has fixed thermal and fixed magnetic trip elements. The G signifies that standard line and load lugs are included with the unit.
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