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Eaton / Cutler-Hammer EHC3070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
EHC3070
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
EHC3070
Quantity
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Eaton / Cutler-Hammer EHC3070 - 70A 3 Pole Molded Case Circuit Breaker
Re-Certified
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Description
Designed to handle demanding loads, the Eaton EHC3070 is a 70A, 3-pole molded case circuit breaker. As part of the Series C F-Frame lineup, it delivers consistent thermal-magnetic protection. This unit features a bolt-on mounting style for secure integration into Eaton panelboards. When seeking a cross-reference, the EHD3070 serves as the designated replacement. With an interrupting capacity of 14 kAIC at 480V, it safely clears electrical faults. It is fully HACR rated for HVAC applications.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | EHC3070-R |
| Series | EHC |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 18kA @ 240VAC, 14kA @ 480VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| 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 |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489, NEMA AB-1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhich Eaton enclosures are compatible with the EHC3070?
This F-frame breaker is designed for installation in Eaton Series C panelboards, switchboards, and motor control centers. It requires a bolt-on connection directly to the chassis bus.
Is there a direct cross-reference available for the EHC3070?
Yes, the Eaton EHD3070 serves as a direct replacement. Both are 70A, 3-pole F-frame breakers with identical physical dimensions and bolt-on mounting configurations.
What size conductors are required for the load-side lugs?
The factory-installed load lugs on this breaker accommodate wire gauges ranging from 14 AWG to 1/0 AWG.
Is this breaker approved for use in DC control panels or battery systems?
Yes, the EHC3070 is rated for direct current applications up to 250 VDC, delivering a 10 kA interrupting capacity for DC systems.
Does this breaker offer adjustable trip settings for selective coordination?
No, the thermal-magnetic trip unit features fixed thermal and fixed magnetic settings for its long-time and instantaneous (LI) protection functions.
Is the EHC3070 suitable for protecting HVAC equipment?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment that requires this specific protection standard.
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