Eaton / Cutler-Hammer GI3030 Molded Case Circuit Breaker
- 30A
- 3 Pole
- Panel Mount
Quantity
Eaton / Cutler-Hammer GI3030 - 30A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for demanding industrial environments, the Eaton GI3030 is a 30A, three-pole molded case circuit breaker. It delivers precise long-time and instantaneous (LI) thermal-magnetic trip functions to protect heavy machinery. This G-frame breaker utilizes a universal panel mount design for straightforward installation within Eaton Series C enclosures. It can be replaced by the newer GD3030 model. The "GI" prefix indicates international ratings, providing 14kAIC at 480VAC and 25kAIC at 240VAC.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GI3030 |
| Series | GI |
| Amperage | 30A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 415VAC, 125/250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 14kA @ 480Y/277VAC, 14kA @ 480VAC, 18kA @ 415VAC, 14kA @ 125/250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Enclosures, Control Panels, Machinery |
| 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, DIN Rail Adapter |
|---|---|
| Accessories | Line and Load Lugs Included, Mounting Hardware |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
9 answersWhat enclosures and applications is the GI3030 designed for?
This Series C G-frame breaker is designed for use in Eaton Series C enclosures, industrial control panels, motor control centers, and machinery.
Can the GI3030 be mounted on a DIN rail?
Yes. While it is primarily a panel-mounted feed-thru breaker, it can be installed on a standard 35mm DIN rail using the appropriate Eaton DIN rail adapter kit.
Are the terminal lugs included with this breaker?
Yes, the GI3030 includes factory-installed line and load lugs. These terminals accept wire sizes from 14 AWG to 1/0 AWG.
Is the GI3030 suitable for reverse feed applications?
Yes, Eaton Series C G-frame circuit breakers are suitable for reverse feed applications.
Is this circuit breaker HACR rated?
Yes, Eaton G-frame molded case circuit breakers carry an HACR rating, making them suitable for heating, air conditioning, and refrigeration equipment branch circuit protection.
Will this breaker be branded as Eaton or Cutler-Hammer?
Eaton acquired Cutler-Hammer, so the GI3030 may feature either brand name on the label. Both are the exact same authentic Series C G-frame circuit breaker.
Can the trip unit on the GI3030 be adjusted in the field?
No. The GI3030 features a fixed thermal-magnetic trip unit. The long-time and instantaneous trip functions are factory set and cannot be field-adjusted or replaced.
Can I field-install internal accessories like a shunt trip in the GI3030?
Under UL standards, internal accessories for G-frame circuit breakers must be factory-installed because the breakers are factory sealed. Field installation is only permitted where local codes allow and a UL listing is not required.
What are the primary safety steps before installing this breaker?
Always verify that the main power is completely de-energized and no voltage is present using a reliable voltage tester. Ensure the breaker is switched to the OFF position before mounting it in the panel.
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