Eaton / Cutler-Hammer EGH3020FFB Molded Case Circuit Breaker
- 20A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer EGH3020FFB - 20A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Providing 20A of thermal-magnetic protection, this 3-pole Series G circuit breaker is built for demanding industrial environments. The EG-frame device utilizes a bolt-on configuration for secure installation into Eaton Pow-R-Line panelboards. Capable of handling 65 kAIC at 480VAC, it incorporates advanced current-limiting technology and reverse feed capabilities. The patented blow-open contact design ensures rapid fault clearing to minimize potential damage to downstream equipment.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3020FFB |
| Series | EGH |
| Amperage | 20A |
| 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 Series G Panelboards, 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Rotary Handle, Terminal Shields |
|---|---|
| Accessories | Load Side Lugs, 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 | HACR Rated, Current Limiting, High Interrupting Capacity, Reverse Feed |
Product FAQs
8 answersWhich panelboards are compatible with the EGH3020FFB circuit breaker?
The EGH3020FFB is a bolt-on EG-frame breaker designed specifically for Eaton Series G and Pow-R-Line panelboards. It fastens directly to the panelboard bus, providing a secure, high-capacity connection for commercial and industrial distribution systems.
Can the EGH3020FFB be mounted on a DIN rail?
Yes, while it is natively a bolt-on EG-frame breaker, it can be DIN rail mounted using the Eaton EGDIN adapter kit (sold separately).
What does the "H" in the EGH3020FFB catalog number signify?
The "H" indicates that this breaker is the high-interrupting tier of the Eaton Series G EG-frame family, providing a 65kAIC rating at 480VAC. This is a higher rating than the standard EGB (18kAIC) or medium EGS (35kAIC) breakers.
Can the EGH3020FFB be reverse fed?
Yes, Eaton Series G EG-frame breakers, including the EGH3020FFB, are suitable for reverse line and load connections.
What does the "LI" trip function code mean on the EGH3020FFB?
The "LI" code stands for Long-Time and Instantaneous trip functions. The Long-Time function protects against sustained overloads, while the Instantaneous function provides immediate tripping during short circuits. Both are fixed (non-adjustable) on this thermal-magnetic breaker.
Does the EGH3020FFB include lugs on both the line and load sides?
No, the "B" suffix in the EGH3020FFB catalog number indicates it is a bolt-on breaker. It includes standard lugs on the load side, but the line side is designed to bolt directly to the bus in compatible panelboards.
Can I use the EGH3020FFB to replace a Cutler-Hammer EGH3020FFB?
Yes. Eaton acquired Cutler-Hammer, and the EGH3020FFB is the exact same Series G breaker whether it is branded as Eaton or Cutler-Hammer.
What does the "FF" in the EGH3020FFB catalog number stand for?
The "FF" indicates that both the thermal (overload) and magnetic (short-circuit) trip units are fixed and cannot be adjusted in the field.
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