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Eaton / Westinghouse FCL3070 Molded Case Circuit Breaker
- 70A
- 3 Pole
- Unit Mount
Eaton / Westinghouse
FCL3070
Molded Case Circuit Breaker
Brand
Eaton / Westinghouse
SKU
FCL3070
Quantity
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Eaton / Westinghouse FCL3070 - 70A 3 Pole Molded Case Circuit Breaker
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Description
Designed to restrict short-circuit energy, this 70A molded case circuit breaker safeguards industrial electrical infrastructure. As a unit-mount component, it integrates perfectly into Eaton Series C motor control centers. Facility managers can utilize this unit to maintain existing systems, as it crosses over to the FDC3070. Featuring a 150kAIC capacity at 480V, the thermal-magnetic trip unit ensures reliable performance during massive fault events.Specifications
| Brand | Eaton / Westinghouse |
|---|---|
| Part Number | FCL3070 |
| Series | FCL |
| Amperage | 70A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC |
| Phase | 3 |
| AIC Rating | 200kA @ 240VAC, 150kA @ 480VAC |
| Frame Type | FCL |
|---|---|
| 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, Lug Kits |
|---|---|
| Accessories | Lugs Not Included |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Current Limiting, High Interrupting Capacity, HACR Rated |
| Special Features | Current Limiting |
Product FAQs
5 answersWhat equipment is the FCL3070 designed to fit?
This bolt-on F-frame breaker is engineered for industrial applications and mounts directly into Eaton Series C panelboards, switchboards, and motor control centers. It is commonly used as a direct replacement in aging Westinghouse systems.
Can I adjust the trip settings on the FCL3070?
No, the FCL3070 utilizes a fixed thermal-magnetic trip unit. Both the long-time and instantaneous (LI) trip functions are factory-set and cannot be modified in the field.
How does the current-limiting design of the FCL3070 protect my system?
As a current-limiting breaker, it is designed to clear severe faults extremely fast, restricting the peak let-through energy. This reduces thermal and mechanical stress, protecting sensitive downstream components from damage during a short circuit.
What is the modern replacement for the legacy FCL3070?
The FCL3070 is a legacy Westinghouse F-frame breaker. The Eaton FDC3070 is the modern Series C successor, providing the same physical footprint and high-interrupting capacity for commercial and industrial facilities.
Can the FCL3070 be installed in a standard residential load center?
No. This is a commercial-grade, bolt-on breaker designed exclusively for Eaton Series C industrial panelboards and switchboards. It will not fit in standard plug-on residential load centers.
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