Eaton / Cutler-Hammer EH3030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Bolt-On
Quantity
Eaton / Cutler-Hammer EH3030 - 30A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Engineered for commercial power distribution, the Eaton EH3030 delivers 30 amps of thermal-magnetic protection. This 3-pole MCCB features fixed trip functions to safeguard electrical systems. Designed with a bolt-on mounting style, it integrates perfectly into Eaton Pow-R-Line panelboards and switchboards. It is a reliable replacement for aging Westinghouse E-Frame breakers. With a 14kAIC rating at 480VAC, this HACR-rated breaker comes equipped with load-side lugs.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EH3030 |
| Series | EH |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Frame Type | EH |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Pow-R-Line Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG (Al/Cu) |
| 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 | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, HID Rated, Non-Interchangeable Trip |
Product FAQs
7 answersWhich panelboards are designed to accept the EH3030 circuit breaker?
This breaker is engineered specifically for Eaton Pow-R-Line panelboards, switchboards, and motor control centers that utilize a bolt-on mounting configuration.
Can the Eaton EH3030 be used to replace legacy Westinghouse breakers?
Yes, Eaton acquired the Westinghouse distribution equipment line. The EH3030 is a direct replacement for older Westinghouse E-frame breakers, maintaining the same physical footprint and bolt-on connections.
What are the wire size requirements for the terminals on this breaker?
The included lugs accommodate wire gauges from 14 AWG up to 1/0 AWG. Both aluminum and copper conductors are supported.
Is this circuit breaker rated for HVAC equipment?
Yes, the EH3030 is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration systems.
Can the EH3030 be used for switching high-intensity discharge lighting?
Yes, this breaker is HID rated, making it suitable for switching high-intensity discharge (HID) lighting loads.
Does this breaker support direct current (DC) applications?
Yes, in addition to its AC ratings, the EH3030 is rated for 250VDC systems, providing a 10kA interrupting capacity for DC power distribution.
Are the trip settings on the EH3030 adjustable?
No, this breaker features a non-interchangeable thermal-magnetic trip unit with fixed long-time and instantaneous (LI) trip functions. The thermal and magnetic settings cannot be adjusted in the field.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
- TSThomas S.Verified BuyerReviewingSiemens EH3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/6/25Great
Thanks
- JMJim M.ReviewingSiemens EH3B040 - 40A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/24/23They fit perfectly and saved
They fit perfectly and saved us a lot of money by being able to replace just these breakers
- KHKen H.ReviewingSiemens EH3B030 - 30A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/12/23Great service
Great service and products fast shipping
- JSJerry S.ReviewingSiemens / ITE EH3B070 - 70A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/20/22Great Price - Breakers Work Fine
My local Supplier was charging me three times the price for a breaker that i bought on super Breakers.
- MRMatt R.ReviewingSiemens EH3B020 - 20A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/6/2020 Amp Breaker
Received item quickly and in great shape. Thank you!!!