Eaton / Cutler-Hammer HFDE308036L Molded Case Circuit Breaker
- 80A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer HFDE308036L - 80A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for industrial applications, the Eaton HFDE308036L is an 80A, 3-pole molded case circuit breaker that delivers advanced protection. The F-Frame unit-mount breaker integrates with Eaton Pow-R-Line C panelboards, motor control centers, and switchboards. It includes standard line and load lugs accepting 14-1/0 AWG wire for straightforward installation.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | HFDE308036L |
| Series | HFDE |
| Amperage | 80A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480VAC, 25kA @ 600VAC |
| Amperage Range | 32-80A |
|---|
| Frame Type | HFDE |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line C Panelboards, Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSIG |
| Trip Function | Long-Time, Short-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, True RMS Sensing, Current Limiting |
Product FAQs
8 answersWhich panelboards and enclosures can accept the HFDE308036L circuit breaker?
This Series C F-frame breaker is designed for installation in Eaton Pow-R-Line C panelboards, traditional Series C panelboards, switchboards, and motor control centers.
What trip unit technology is utilized in the HFDE308036L?
It is equipped with a Digitrip 310 RMS (or 310+) electronic trip unit. The "36" in the part number designates LSIG protection, which includes Long-Time, Short-Time, Instantaneous, and Ground-Fault sensing.
What does the "L" suffix indicate for the installation of the HFDE308036L?
The "L" signifies that the breaker comes with factory-installed line and load terminals. These feed-thru lugs accept 14 to 1/0 AWG copper or aluminum wire.
Is a neutral current sensor required for ground-fault protection?
If this 3-pole LSIG breaker is installed on a 3-phase, 4-wire system, an external neutral current transformer (such as the Eaton CTF080 for 80A maximum applications) must be wired to the trip unit to ensure accurate ground-fault detection.
Can the HFDE308036L be applied in DC electrical systems?
Yes, in addition to its AC voltage ratings, this molded case circuit breaker is rated for use in applications up to 250 Vdc.
Can this F-frame breaker replace an older HFD3080?
Yes, the HFDE308036L shares the same F-frame physical dimensions as traditional thermal-magnetic HFD breakers. It can serve as a direct upgrade to the HFD3080 or HFD3080L, adding advanced electronic LSIG coordination capabilities.
Are the electronic trip functions on this breaker adjustable?
Yes, the trip unit features adjustable dials for the Long-Time, Short-Time, Instantaneous, and Ground-Fault parameters, allowing precise coordination with upstream and downstream protective devices.
What safety precautions are necessary when adjusting the LSIG settings?
Trip unit dials should only be modified by a qualified professional in accordance with a site coordination study. Improper settings can defeat ground-fault protection or increase arc flash hazards.
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