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Eaton/Cutler-Hammer FD3040L Circuit Breaker
- 40
- 3 Pole
- Unit
Eaton/Cutler-Hammer
FD3040L
Circuit Breaker
Brand
Eaton/Cutler-Hammer
SKU
FD3040L
Quantity
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Eaton/Cutler-Hammer FD3040L 3 Pole Circuit Breaker
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Eaton/Cutler-Hammer FD3040L 3 Pole Circuit Breaker
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| Brand | Eaton/Cutler-Hammer |
|---|---|
| Part Number | FD3040L |
| Series | C |
| Amperage | 40 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| Wire Gauge | AWG 14 to AWG 1/0, 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 |
|---|---|
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated, Non-Interchangeable Trip |
Quantity
Eaton/Cutler-Hammer FD3040L 3 Pole Circuit Breaker
Re-Certified
Quantity
| Brand | Eaton/Cutler-Hammer |
|---|---|
| Series | C |
| Amperage | 40 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| Wire Gauge | AWG 14 to AWG 1/0, 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 |
|---|---|
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated, Non-Interchangeable Trip |
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Description
Eaton/Cutler-Hammer FD3040L 3 Pole Circuit Breaker
The Eaton/Cutler-Hammer FD3040L is a 3 Pole thermal magnetic molded case circuit breaker with a current rating of 40 Amps and a voltage rating of 600VAC, 250VDC. It has an interrupting rating of 35kAIC at 480VAC, 65kAIC at 240VAC. The FD3040L has a feed-thru connection type and includes long time and instantaneous trip functions.
Specifications
| Brand | Eaton/Cutler-Hammer |
|---|---|
| Series | C |
| Amperage | 40 A |
| Poles | 3 |
| Mounting Style | Unit |
| Voltage | 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | F |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Enclosures |
| Wire Gauge | AWG 14 to AWG 1/0, 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 |
|---|---|
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated, Non-Interchangeable Trip |
Product FAQs
8 answersWhat does the "L" in the FD3040L catalog number indicate?
The "L" indicates that the circuit breaker comes factory-supplied with both line and load side lugs.
Can the Eaton FD3040L be reverse fed?
Yes, Eaton Series C F-frame thermal-magnetic circuit breakers are suitable for reverse feed applications.
What equipment is the FD3040L circuit breaker designed to fit?
This F-frame breaker is designed for use in Eaton Series C panelboards, switchboards, and enclosures.
What wire sizes are accepted by the standard lugs on the FD3040L?
The standard factory-installed lugs accept copper or aluminum wire ranging from 14 AWG to 1/0 AWG.
Where can I find the correct lug torque specifications for the FD3040L?
The required torque values for the line and load terminals are printed directly on the circuit breaker nameplate. Always use a calibrated torque wrench to ensure proper connections.
Is the FD3040L rated for use in DC circuits?
Yes, in addition to its AC ratings, this thermal-magnetic breaker is rated for up to 250VDC with an interrupting capacity of 10kAIC.
Can the Eaton FD3040L replace older Cutler-Hammer or Westinghouse breakers with the same part number?
Yes, Eaton acquired the Cutler-Hammer and Westinghouse distribution equipment lines. The FD3040L is a direct replacement for legacy Cutler-Hammer and Westinghouse breakers sharing the same catalog number.
Are the trip settings on the FD3040L adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. It provides long-time and instantaneous protection, but the trip points cannot be adjusted in the field.
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