Square D SFA1080A Molded Case Circuit Breaker
- 80A
- 1 Pole
- I-Line
Quantity
Square D SFA1080A - 80A 1 Pole Molded Case Circuit Breaker
New
Quantity
Description
Built for heavy-duty applications, this 80A Square D MCCB provides reliable overcurrent protection for commercial facilities. The unit is engineered with a factory-set Phase A connection, simplifying installation and maintaining proper phase distribution. This breaker installs into Square D I-Line panelboards via a plug-on mounting style. For system upgrades, this legacy model is replaced by the PowerPact B-frame BDA140801. Operating at 240VAC, the SFA1080A features a 25 kAIC rating.Specifications
| Brand | Square D |
|---|---|
| Part Number | SFA1080A |
| Series | SFA |
| Amperage | 80A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC |
| Frame Type | SFA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| 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, Alarm Switch |
|---|---|
| Accessories | Phase A Connection (Factory Configured) |
| Standards | IEC 60947-2, UL 489 |
| Approval | IEC, UL |
| Temp Rating | -25C to 70C |
| Construction Features | IEC Rated, Non-Interchangeable Trip, Phase A Connection |
Product FAQs
8 answersWhat type of panelboard is the Square D SFA1080A compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It utilizes an I-Line style plug-in connection that mounts directly to the busbar.
Can the 1-pole SFA1080A be installed in a 3-phase panelboard?
Yes. While it is a 1-pole breaker designed to protect a single circuit, it can be mounted in a 3-phase Square D I-Line panelboard. It will connect to only one phase of the busbar to supply a single-phase load.
How does the I-Line plug-in connection work on the SFA1080A?
The I-Line design features a plug-on jaw that grips the panelboard busbar directly. This allows for faster installation and eliminates the need for separate mounting hardware or cable connections to the bus.
What does the 25kAIC rating mean for this 80A breaker?
The 25kAIC rating indicates that the breaker can safely interrupt up to 25,000 amps of fault current at 240V AC without sustaining internal damage. This makes it suitable for commercial and industrial systems with higher available fault currents.
What wire sizes are accepted by the lugs on the SFA1080A?
The terminal lugs on this breaker accept wire gauges ranging from 14 AWG to 1/0 AWG. Always verify the appropriate wire size based on the 80A load and local electrical codes.
Are the trip settings adjustable on the SFA1080A?
No. This breaker features fixed thermal and fixed magnetic trip settings. The long-time and instantaneous trip functions are factory-calibrated for 80A and cannot be modified in the field.
Can I use the SFA1080A to replace an older SFA frame breaker?
Yes. This breaker is a direct replacement for existing 80A, 1-pole SFA frame breakers in Square D I-Line panelboards. Using the same frame ensures proper fitment without needing to modify the panel space or busbar connections.
Does the SFA1080A include ground fault or arc fault protection?
No. This is a standard thermal-magnetic circuit breaker providing overload and short-circuit protection. It does not include GFCI or AFCI capabilities.
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