Eaton / Cutler-Hammer GWF3070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
Quantity
Eaton / Cutler-Hammer GWF3070 - 70A 3 Pole Molded Case Circuit Breaker
New
Quantity
Description
Designed for global industrial applications, the Eaton GWF3070 provides long-time and instantaneous trip functions for 415VAC systems. This 70-amp unit mount molded case circuit breaker meets IEC 60947-2 standards. It integrates seamlessly into Eaton Series C panelboards, switchboards, and motor control centers. The unit serves as a drop-in replacement for the legacy GW3070. Featuring a non-interchangeable thermal-magnetic trip unit, it delivers 25kA interrupting capacity for heavy loads.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | GWF3070 |
| Series | GWF |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 415VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 415VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-1 AWG |
| Max Wire | 1 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, Base Mounting Plate |
|---|---|
| Accessories | Line and Load Lugs Included, Mounting Hardware |
| Standards | IEC 60947-2 |
| Approval | IEC, KEMA |
| Temp Rating | 40C |
| Construction Features | Non-Interchangeable Trip, HACR Rated |
Product FAQs
7 answersWhat equipment is the Eaton GWF3070 circuit breaker compatible with?
This G-frame breaker is designed for use in Eaton Series C panelboards, switchboards, and motor control centers. It is also commonly used in OEM applications and standalone electrical assemblies.
What wire sizes do the terminals on the GWF3070 accept?
The factory-installed line and load lugs accommodate copper wire gauges ranging from 14 AWG to 1 AWG. Proper torque specifications must be followed during installation to ensure a secure connection.
How is the GWF3070 breaker mounted in an electrical system?
As a unit-mount, feed-thru circuit breaker, it fastens directly to a mounting surface or enclosure backpan using standalone hardware rather than plugging onto a panelboard busbar.
What type of trip mechanism does the GWF3070 use?
It utilizes a non-interchangeable thermal-magnetic trip unit. The fixed long-time and instantaneous (LI) functions provide reliable protection against both gradual overloads and sudden short-circuit faults.
What is the UPC for the Eaton GWF3070 circuit breaker?
The standard UPC for this 70-amp Series C breaker is 786679231586.
Is the Eaton GWF3070 suitable for IEC applications?
Yes, the GWF series is built specifically for IEC-rated applications, providing reliable fault protection for commercial and industrial three-phase distribution systems.
What are the physical dimensions of the GWF3070 G-frame breaker?
The breaker measures approximately 4.88 inches high, 3.00 inches wide, and 2.63 inches deep.
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