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Eaton / Cutler-Hammer HFA3050 Molded Case Circuit Breaker
- 50A
- 3 Pole
- Bolt-On
Eaton / Cutler-Hammer
HFA3050
Molded Case Circuit Breaker
Brand
Eaton / Cutler-Hammer
SKU
HFA3050
Quantity
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Eaton / Cutler-Hammer HFA3050 - 50A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for demanding environments, the HFA3050 is a 3-pole, 50A molded case circuit breaker that delivers reliable thermal-magnetic protection. It is designed to safeguard commercial and industrial electrical systems against overloads and short circuits. This unit mounts into Eaton Series C panelboards, switchboards, and motor control centers. If a modern substitute is required, it crosses over to the HFD3050. It features a 65 kAIC rating at 240VAC and includes load-side lugs.Specifications
| Brand | Eaton / Cutler-Hammer |
|---|---|
| Part Number | HFA3050 |
| Series | HFA |
| Amperage | 50A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 65kA @ 240VAC, 25kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC |
| Frame Type | HFA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Eaton Series C Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| 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, NEMA AB-1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Non-Interchangeable Trip, Reverse Feed |
Product FAQs
6 answersWhat equipment is compatible with the HFA3050 circuit breaker?
This bolt-on breaker is designed for seamless integration into Eaton Series C panelboards, switchboards, and motor control centers.
What is the modern replacement for the legacy HFA3050?
The HFA3050 is a legacy component. For system upgrades or direct replacements, it crosses over to the newer Eaton HFD3050 model.
What wire sizes and materials are accepted by the HFA3050 terminals?
The included load-side lugs accept both copper and aluminum wiring ranging from 14 AWG to 1/0 AWG.
Is the HFA3050 rated for HVACR applications?
Yes, this circuit breaker is HACR rated, making it fully compliant for protecting commercial heating, air conditioning, and refrigeration equipment.
Can the Eaton HFA3050 be reverse fed?
Yes, this breaker is rated for reverse feed applications, providing additional wiring flexibility during installation.
Are the thermal and magnetic trip functions adjustable on this breaker?
No, the HFA3050 utilizes a non-interchangeable trip unit with fixed thermal and fixed magnetic settings.
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