Eaton / Cutler-HammerEGB2060FFG
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Eaton / Cutler-Hammer EGB2050FFG Molded Case Circuit Breaker
- 50A
- 2 Pole
- Unit Mount
Eaton / Cutler-Hammer
EGB2050FFG
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGB2050FFG
Quantity
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Eaton / Cutler-Hammer EGB2050FFG - 50A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Eaton EGB2050FFG is a 50A Series G molded case circuit breaker. It delivers robust long-time and instantaneous (LI) protection for demanding electrical systems. This unit-mount EG-frame breaker installs into Eaton switchboards, MCCs, and OEM panelboards. Rated for 18 kAIC at 480VAC, the device includes current-limiting capabilities and is HACR rated. The reverse-feed capable design allows for flexible distribution wiring.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGB2050FFG |
| Series | EGB |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | EG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series G Enclosures, Switchboards, Motor Control Centers, OEM Panels |
| 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 |
|---|---|
| Accessories | Line and Load Lugs, Metric 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, Reverse Feed |
Product FAQs
8 answersWhat equipment is compatible with the EGB2050FFG breaker?
This EG-frame breaker is designed for use in Eaton Series G enclosures, switchboards, motor control centers, and custom OEM panels requiring unit-mount configurations.
What wire types and sizes are accepted by the EGB2050FFG terminals?
The standard line and load lugs accept 14 AWG to 1/0 AWG copper or aluminum (Cu/Al) conductors. Always torque connections to the manufacturer's specifications during installation.
What does the LI trip function on this breaker indicate?
The LI designation means the breaker features a thermal-magnetic trip unit with Long-Time (L) and Instantaneous (I) protection. The Long-Time function protects against sustained overloads, while the Instantaneous function trips immediately during a short circuit.
Is the EGB2050FFG rated for direct current (DC) applications?
Yes, this breaker is rated for up to 250VDC with an interrupting capacity of 10kAIC, making it suitable for specific DC control panels and distribution systems.
Does the EGB2050FFG offer current-limiting capabilities?
Yes, Eaton Series G EG-frame breakers utilize a patented high-speed blow-open contact design that provides current-limiting performance, reducing the let-through energy during a short circuit.
Can the EGB2050FFG replace older Cutler-Hammer breakers?
Yes, Eaton Series G breakers are physically and electrically interchangeable with many classic Westinghouse and Cutler-Hammer molded case circuit breakers, making them ideal for retrofitting existing panelboards and motor control centers.
Can the EGB2050FFG be reverse fed?
Yes, this thermal-magnetic EG-frame breaker is suitable for reverse feed applications, allowing power to be supplied to either the line or load terminals without affecting its protective functions.
How is the EGB2050FFG mounted in a panel?
This is a unit-mount breaker, meaning it is secured using mounting screws directly to the panel backpan or mounting plate, rather than snapping onto a DIN rail or plugging into a busbar.
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