Eaton / Cutler-HammerEGB3050FFG
Eaton / Cutler-Hammer EGB3050FFB Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EGB3050FFB
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EGB3050FFB
Quantity
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Eaton / Cutler-Hammer EGB3050FFB - 50A 3 Pole Molded Case Circuit Breaker
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Description
Rated for 18 kAIC at 480V, this three-pole molded case circuit breaker provides reliable thermal-magnetic protection for commercial and industrial systems. The Eaton EGB3050FFB mounts into Pow-R-Line panelboards using a secure bolt-on connection. It serves as a drop-in replacement for older models and can be substituted by the PDG13C0050TFFJ with an appropriate mounting kit. Built with current-limiting capabilities and HACR certification, it handles demanding electrical loads efficiently.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EGB3050FFB |
| Series | EGB |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 10kA @ 250VDC |
| 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
8 answersWhich panelboards are compatible with the Eaton EGB3050FFB circuit breaker?
This EG frame breaker is designed for use in Eaton Pow-R-Line panelboards that accept bolt-on Series G breakers. Always verify your specific panelboard labeling to ensure EG frame compatibility.
Does the EGB3050FFB come with lugs included?
Yes, this breaker includes load-side lug terminals that accept 14 to 1/0 AWG wire. It features a bolt-on connection for secure mounting directly to the panelboard bus.
What does the FFB suffix in the EGB3050FFB catalog number indicate?
The FFB suffix designates that this EG frame breaker features a fixed thermal and fixed magnetic trip unit, along with a bolt-on mounting configuration.
Can the trip settings on the EGB3050FFB be adjusted in the field?
No, this breaker utilizes a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions are factory set and cannot be adjusted.
What type of protection does the LI trip function provide on this breaker?
The LI designation indicates thermal magnetic protection. The long-time (L) function protects against sustained overloads, while the instantaneous (I) function provides immediate tripping during severe short circuits.
Is the EGB3050FFB rated for direct current applications?
Yes, this thermal magnetic breaker carries a 250VDC rating with an interrupting capacity of 10kA, making it suitable for specific DC control and distribution circuits.
Is the EGB3050FFB a direct replacement for older Cutler-Hammer EG frame breakers?
Yes, Eaton and Cutler-Hammer are the same manufacturer. The EGB3050FFB directly replaces older Cutler-Hammer branded breakers with the exact same catalog number.
Is it safe to install this Eaton EGB breaker in a GE or Square D panelboard?
No. Even if the breaker physically fits, it is not UL listed or safe for use in GE, Square D, or other competitor panelboards. It must only be installed in approved Eaton or Cutler-Hammer enclosures.
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