Eaton / Cutler-HammerEGH3035FFG
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Eaton / Cutler-Hammer EGH3040FFG Molded Case Circuit Breaker
- 40A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGH3040FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGH3040FFG
Quantity
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Eaton / Cutler-Hammer EGH3040FFG - 40A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for industrial power distribution, the Eaton EGH3040FFG is a 3-pole, 40A molded case circuit breaker from the Series G EG-Frame family. It features fixed thermal and magnetic trip units for dependable long-time and instantaneous (LI) protection. Designed with a unit mount configuration, this breaker integrates into Eaton Series G enclosures, MCCs, and OEM panels.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3040FFG |
| Series | EGH |
| Amperage | 40A |
| 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 |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series G Enclosures, Switchboards, MCCs, OEM Panels |
| 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, Handle Mechanism |
|---|---|
| Accessories | Line and Load Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Current Limiting, High Interrupting Capacity, Reverse Feed, Blow-Open Action |
Product FAQs
8 answersWhat type of wire can be used with the standard lugs on the EGH3040FFG?
The included line and load side lug terminals accept 14 AWG to 1/0 AWG wire and are compatible with both copper (Cu) and aluminum (Al) conductors.
What enclosures and panels accept the EGH3040FFG breaker?
This EG-frame unit mount breaker is compatible with Eaton Series G enclosures, switchboards, motor control centers (MCCs), and OEM panels.
Can the EGH3040FFG be used in DC power applications?
Yes, this breaker is rated for direct current systems up to 250VDC, where it provides a 42 kAIC interrupting rating.
Can I adjust the trip settings on the EGH3040FFG?
No, this model features a non-interchangeable thermal-magnetic trip unit with fixed long-time (thermal) and fixed instantaneous (magnetic) settings.
Is the EGH3040FFG suitable for reverse feed applications?
Yes, Eaton Series G EG-frame thermal-magnetic circuit breakers are suitable for reverse feed applications, allowing power to be supplied from either the top or bottom terminals.
What does the FFG suffix indicate in the EGH3040FFG catalog number?
In Eaton's Series G catalog logic, FFG designates a complete breaker with a fixed thermal and fixed magnetic trip unit, packaged with standard line and load lugs.
Does this breaker provide both overload and short-circuit protection?
Yes, the thermal-magnetic trip unit (LI function) uses a thermal element for long-time overload protection and a magnetic element for instantaneous short-circuit protection.
Is the EGH3040FFG rated for 347V commercial lighting circuits?
Yes, it carries a 600Y/347VAC rating, making it fully compatible with 347V lighting and distribution systems commonly found in commercial and industrial facilities.
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Reviews
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Customers rate this product 5.0 out of 5 based on 1 review.
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1 review
- MBMichael B.ReviewingEaton / Cutler-Hammer EGH3080FFG - 80A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/18/17Great
Exactly what we needed at a great price and shipped quickly