Eaton / Cutler-Hammer EGH3030FFB Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer EGH3030FFB - 30A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for commercial distribution, the Eaton EGH3030FFB is a 3-pole Series G molded case circuit breaker. It provides reliable overcurrent protection for demanding electrical systems. This EG-frame breaker features a bolt-on mounting style, designed to install into Eaton Pow-R-Line panelboards. It serves as an exact replacement for older installations and is superseded by the PDG13M0030TFFB. Rated at 65kAIC at 480V, it utilizes fixed thermal-magnetic trip units for LI protection.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3030FFB |
| Series | EGH |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| 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 | Eaton Pow-R-Line Panelboards |
| 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 | Auxiliary Switch, Shunt Trip, Undervoltage Release, Alarm Switch, Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Load Side Lugs Included |
| 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 | Current Limiting, HACR Rated, High Interrupting Capacity, Blow-Open Action |
Product FAQs
8 answersWhat panelboards are compatible with the EGH3030FFB?
This EG-frame breaker is designed for installation in Eaton Pow-R-Line panelboards, as well as compatible Eaton Series G enclosures, switchboards, and OEM control panels.
What does the FF in the EGH3030FFB catalog number signify?
The FF indicates that the breaker features a fixed thermal and fixed magnetic trip unit. The overload and short-circuit trip thresholds are factory-set and cannot be adjusted in the field.
What type of conductors can be used with the EGH3030FFB terminals?
The factory-installed lugs are dual-rated for both copper (Cu) and aluminum (Al) wire. They accept conductor sizes ranging from 14 AWG up to 1/0 AWG.
Does the EGH3030FFB include equipment ground fault protection?
No. This is a standard thermal-magnetic breaker equipped with Long-Time and Instantaneous (LI) trip functions only. It does not provide ground fault (GFPE or GFCI) or arc fault (AFCI) protection.
How does the EGH series differ from Eaton EGB or EGS breakers?
The third letter in the series prefix indicates the interrupting capacity. The EGH is the high-interrupting tier of the EG-frame family, offering higher fault current ratings (such as 65kAIC at 480VAC) compared to the standard EGB or EGS versions.
Can the EGH3030FFB be used in direct current (DC) applications?
Yes. In addition to its AC ratings, this breaker is UL rated for DC circuits up to 250VDC, providing an interrupting capacity of 42kAIC at that voltage.
How is the EGH3030FFB secured inside the panelboard?
It utilizes a bolt-on mounting configuration. The breaker must be mechanically bolted directly to the panelboard bus, which provides a highly secure connection suitable for high-vibration or heavy-duty industrial environments.
Is the Eaton EGH3030FFB a current-limiting circuit breaker?
Yes. Eaton Series G breakers, including the EG-frame, utilize a high-speed blow-open contact design that makes them current-limiting. This rapidly extinguishes arcs and reduces let-through energy during a short circuit.
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