Eaton / Cutler-HammerEGH2070FFB
Eaton / Cutler-Hammer EGH3070FFB Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGH3070FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGH3070FFB
Quantity
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Eaton / Cutler-Hammer EGH3070FFB - 70A 3 Pole Molded Case Circuit Breaker
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Description
Constructed for commercial electrical systems, the EGH3070FFB provides 70A of thermal-magnetic protection. This three-pole EG-frame breaker is optimized for high-capacity power distribution networks. The device fastens securely into Eaton Pow-R-Line panelboards via a standard bolt-on connection. Its fixed thermal and magnetic trip settings offer tamper-proof reliability for facility managers. Delivering a 65kAIC rating at 480VAC, the current-limiting design minimizes let-through energy.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGH3070FFB |
| Series | EGH |
| Amperage | 70A |
| 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 | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Handle Lock |
|---|---|
| Accessories | Load Side 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 | Current Limiting, HACR Rated, High Interrupting Capacity |
Product FAQs
6 answersWhat panelboards are compatible with the EGH3070FFB circuit breaker?
The EGH3070FFB is designed for use in Eaton Pow-R-Line panelboards. Its bolt-on mounting configuration allows it to securely integrate into compatible Series G EG-frame electrical distribution systems.
What does the FFB in the EGH3070FFB catalog number indicate?
In the Eaton Series G catalog numbering system, FF indicates that the breaker has a fixed thermal and fixed magnetic trip unit. The B signifies that it features a bolt-on terminal connection.
Can the EGH3070FFB be used to replace older Cutler-Hammer breakers?
Yes, Eaton Series G circuit breakers, including the EGH3070FFB, are engineered for compatibility with legacy systems built with Cutler-Hammer components. They are suitable for direct replacement in retrofit projects requiring an EG-frame breaker.
Is the Eaton EGH3070FFB suitable for reverse feed applications?
Yes, standard Eaton Series G EG-frame molded case circuit breakers like the EGH3070FFB are reverse feed capable, allowing for flexible installation in power distribution networks.
What wire sizes are accepted by the lugs on the EGH3070FFB?
The standard load-side lugs on the EGH3070FFB accept 14 AWG to 1/0 AWG copper or aluminum (Cu/Al) wire. Ensure proper torque specifications are followed during installation.
What type of trip unit is included with the EGH3070FFB?
This breaker includes a non-interchangeable thermal-magnetic trip unit with fixed long-time and instantaneous (LI) trip functions to protect against overloads and short circuits.
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