Eaton / Cutler-Hammer EDH3175L Molded Case Circuit Breaker
- 175A
- 3 Pole
- Unit Mount
Eaton / Cutler-Hammer
EDH3175L
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EDH3175L
Quantity
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Eaton / Cutler-Hammer EDH3175L - 175A 3 Pole Molded Case Circuit Breaker
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Description
The Eaton EDH3175L is a high-performance 175A, 3-pole molded case circuit breaker designed for heavy-duty environments. As part of the Series C F-Frame lineup, it provides essential thermal-magnetic protection with fixed LI trip functions. Configured for unit mounting, this breaker includes both line and load lugs, making it ideal for feed-thru applications in Eaton switchboards. It is fully reverse feed capable. Delivering a robust 100 kAIC rating at 240VAC, it handles substantial faults.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EDH3175L |
| Series | EDH |
| Amperage | 175A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 125VDC |
| Phase | 3 |
| AIC Rating | 100kA @ 240VAC, 10kA @ 125VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 4 AWG - 4/0 AWG |
| Max Wire | 4/0 AWG |
| Min Wire | 4 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 |
|---|---|
| Accessories | Line and Load Terminals |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB-1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
6 answersWhat does the L suffix in the EDH3175L catalog number indicate?
The L suffix designates that the circuit breaker is supplied with factory-installed wire connectors, or lugs, on both the line and load sides. Without this suffix, the breaker would typically only include lugs on one end.
Can the EDH3175L circuit breaker be reverse fed?
Yes, this thermal magnetic breaker is suitable for reverse feed applications. Because it lacks specific line and load directional markings, you can safely backfeed it to energize panelboard bussing, provided you use an approved retaining bracket to secure it in place per electrical code requirements.
Which Eaton panelboards are compatible with this breaker?
As a Series C F-Frame device, it is designed to mount in Eaton Series C panelboards, switchboards, and motor control centers. It can also be installed in standalone F-Frame enclosures for individual equipment protection.
Is this breaker rated for direct current applications?
Yes, in addition to its alternating current ratings, it is rated for up to 125VDC with a 10kA interrupting capacity. This allows it to be used in specific industrial control circuits or battery backup systems requiring DC overcurrent protection.
What size wire is accepted by the standard lugs on this 175A breaker?
The standard factory lugs accept copper or aluminum conductors ranging from 4 AWG to 4/0 AWG. Always refer to the manufacturer label on the side of the breaker for the exact torque specifications required during installation.
Can the trip settings on the EDH3175L be adjusted in the field?
No, this breaker features a non-interchangeable thermal magnetic trip unit with fixed long-time and instantaneous functions. The trip curve is factory set and cannot be modified or swapped out by the user.
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