Siemens BA120AFCH AFCI Miniature Circuit Breaker
- 20A
- 1 Pole
- Bolt-On
Quantity
Siemens BA120AFCH - 20A AFCI Miniature Circuit Breaker
New
Quantity
Description
Delivering enhanced short-circuit protection, this 20-amp combination AFCI unit handles up to 22kA fault currents. The integrated pigtail neutral ensures a solid return path for accurate arc-fault detection in commercial environments. Fastening securely via bolt-on connections, it fits Siemens P1, P2, and P3 panelboards. Facility managers can use this to replace legacy BA120AFH branch/feeder breakers. Onboard LED trip indicators simplify troubleshooting by displaying the specific fault.Specifications
| Brand | Siemens |
|---|---|
| Part Number | BA120AFCH |
| Series | BA |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120VAC |
| Frame Type | BA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Special Classification | AFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Load Side Lugs Included, Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, SWD, UL 1699, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Combination Type AFCI, High Interrupting Rating (22kA), LED Trip Indicator, HACR Rated, SWD Rated |
Product FAQs
5 answersWhich panelboards are compatible with the BA120AFCH circuit breaker?
This bolt-on breaker is designed for installation in Siemens P1, P2, and P3 commercial panelboards.
Can the BA120AFCH replace older Siemens arc fault breakers?
Yes, this combination AFCI unit serves as a direct, upgraded replacement for legacy BA120AFH branch and feeder breakers.
How is the neutral connection handled on the BA120AFCH?
This breaker utilizes a pigtail neutral wire, which must be routed and connected directly to the panelboard neutral bar to ensure accurate arc fault detection.
What type of arcing conditions does this breaker detect?
As a Combination Type AFCI, it provides protection against both high-energy parallel arcing and low-energy series arcing, de-energizing the circuit when hazardous conditions are detected.
Does the BA120AFCH feature diagnostic indicators?
Yes, it includes built-in LED trip indicators to help maintenance personnel quickly identify the specific fault condition after a trip event.
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