Siemens B115AFC AFCI Molded Case Circuit Breaker
- 15A
- 1 Pole
- Bolt-On
Quantity
Siemens B115AFC - 15A AFCI Molded Case Circuit Breaker
New
Quantity
Description
Rated at 10 kAIC, this 15-amp combination arc-fault circuit breaker delivers advanced protection against dangerous arcing conditions. The Siemens B115AFC features a bolt-on mounting design, making it a secure fit for commercial and industrial applications. It installs into Siemens P1, P2, P3, P4, and P5 panelboards. Serving as a direct upgrade, this unit replaces the older B115AF branch/feeder model to meet modern NEC combination AFCI requirements. Includes a pigtail neutral and SWD rating.Specifications
| Brand | Siemens |
|---|---|
| Series | B |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 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 Thermal, Fixed Magnetic |
| Special Classification | AFCI |
|---|---|
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
| Accessories | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, UL 1699, UL 489 |
| Approval | CSA, HACR, SWD, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated |
Product FAQs
7 answersWhich panelboards are compatible with the B115AFC breaker?
This bolt-on breaker is engineered specifically for Siemens P1, P2, P3, P4, and P5 commercial panelboards. It will not fit in standard residential plug-on load centers.
Can I use the B115AFC to replace a B115AF breaker?
Yes. The B115AFC is a combination arc fault circuit interrupter that serves as a direct, code-compliant upgrade for the older B115AF branch/feeder model, meeting current NEC standards for arc fault protection.
Does this breaker require a plug-on neutral panel?
No, the B115AFC is equipped with a pigtail neutral wire. This pigtail must be routed and secured to the neutral bus bar in the panelboard for the arc fault circuitry to function correctly.
Is the B115AFC suitable for multi-wire branch circuits?
No. Because this is a single-pole 120V arc fault breaker with a pigtail neutral, it cannot be used on shared-neutral multi-wire branch circuits. Each AFCI breaker requires a dedicated neutral for the circuit it protects.
What wire sizes are accepted by the load terminals on the B115AFC?
The load lugs accommodate 14 to 10 AWG copper or 12 to 10 AWG aluminum conductors. Always verify the required torque settings printed on the breaker face before terminating the wire.
What is the difference between this combination AFCI and a standard breaker?
While standard breakers only trip during overloads or short circuits, this combination AFCI actively monitors the circuit for dangerous parallel and series arcing conditions to prevent electrical fires.
What do the long-time and instantaneous trip functions indicate?
The long-time function provides thermal protection against sustained overloads, while the instantaneous magnetic function trips the breaker immediately during a severe short circuit.
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