Eaton / Cutler-HammerEGB3070FFG
Eaton / Cutler-Hammer EGB3070FFB Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGB3070FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGB3070FFB
Quantity
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Eaton / Cutler-Hammer EGB3070FFB - 70A 3 Pole Molded Case Circuit Breaker
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Description
Built for commercial applications, the Eaton EGB3070FFB is a 3-pole, 70A MCCB from the Series G EG-Frame family. It delivers robust overcurrent protection for demanding electrical systems. This bolt-on breaker installs into Eaton Pow-R-Line panelboards. For modern upgrades, it is replaced by the Power Defense PDG13C0070TFFJ using an adapter kit. Rated 18 kAIC at 480VAC, it features current-limiting capabilities, HACR certification, and reverse feed compatibility for versatile installation.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Series | EGB |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards |
| Wire Gauge | 14-1/0 AWG |
| 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 |
|---|---|
| Accessories | Load Side Lugs, 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, Reverse Feed |
Product FAQs
6 answersWhat panelboards are compatible with the EGB3070FFB?
This EG-frame breaker is designed for bolt-on installation in compatible Eaton Pow-R-Line panelboards.
What does the LI trip function indicate on this breaker?
The LI designation means this thermal-magnetic breaker provides Long-Time (L) protection against standard overloads and Instantaneous (I) protection against severe short circuits.
Can the trip curve on the EGB3070FFB be adjusted in the field?
No, this model features fixed thermal and fixed magnetic trip settings. The trip thresholds are factory set and cannot be manually modified.
Is this circuit breaker suitable for direct current (DC) applications?
Yes, in addition to its AC ratings, this breaker is rated for use in DC systems up to 250VDC with a 10kA interrupting capacity.
What conductor sizes are accepted by the terminals on this breaker?
The factory-installed lugs are designed to accommodate wire gauges ranging from 14 AWG up to 1/0 AWG.
Are Eaton and Cutler-Hammer EG-frame breakers interchangeable?
Yes, Eaton acquired Cutler-Hammer, and the EGB3070FFB may be labeled under either brand name. They share the exact same physical dimensions, mounting style, and electrical specifications.
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