Square D SFA1063A Molded Case Circuit Breaker
- 63A
- 1 Pole
- I-Line
Quantity
Square D SFA1063A - 63A 1 Pole Molded Case Circuit Breaker
New
Quantity
Description
Part of the Square D SFA series, this 63A molded case circuit breaker is built for commercial power distribution. It features a factory-configured Phase A connection, indicated by the "A" suffix, ensuring proper phase balancing. Designed for seamless integration, the SFA1063A mounts into Square D I-Line panelboards using a secure plug-on connection. It accepts 14-1/0 AWG wire. Rated for 25 kAIC at 240VAC, this single-pole breaker delivers reliable long-time and instantaneous trip functions.Specifications
| Brand | Square D |
|---|---|
| Part Number | SFA1063A |
| Series | SFA |
| Amperage | 63A |
| Poles | 1 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 240VAC |
| 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
6 answersWhich panelboards accept the SFA1063A circuit breaker?
This breaker is specifically designed for installation in Square D I-Line panelboards. It utilizes an I-Line style plug-in connection to mount directly onto the interior bus assembly.
What does the A suffix mean in the SFA1063A part number?
The A suffix indicates the phase connection. This specific single-pole breaker is configured to plug into the A phase of the panelboard bus. If you need to connect to the B or C phase, you will need the SFA1063B or SFA1063C respectively.
What wire gauge range is supported by the terminals on this breaker?
The standard lugs on this 63A breaker accommodate wire sizes from 14 AWG up to 1/0 AWG. Ensure your conductors fall within this range for a secure and compliant termination.
Are the thermal and magnetic trip points adjustable on this model?
No, the SFA1063A features a fixed thermal-magnetic trip unit. The long-time function for overload protection and the instantaneous function for short-circuit protection are both factory set and non-adjustable.
Is the Square D SFA1063A still in active production?
No, Schneider Electric discontinued the SFA molded case circuit breaker series in 2021. However, these breakers are still utilized to maintain and service existing I-Line panelboard installations.
How does the SFA1063A secure to the panelboard?
It uses the standard I-Line plug-in connection to attach to the busbar, and is then secured to the panelboard backpan using the breaker's integrated mounting bracket and captive screw.
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