Siemens / Murray MP220AF AFCI Miniature Circuit Breaker
- 20A
- 2 Pole
- Plug-On
Quantity
Siemens / Murray MP220AF - 20A AFCI Miniature Circuit Breaker
New
Quantity
Description
Part of the classic MP series, the Siemens MP220AF delivers 20A of branch/feeder arc fault protection. This two-pole breaker combines thermal-magnetic trip mechanisms with advanced arc detection to mitigate electrical fire risks. Engineered for seamless integration, it mounts into legacy Murray and Siemens plug-on panelboards. It provides an exact fit for older enclosures and is the direct predecessor to the Q220AFC. Rated for 10 kAIC at 120/240V, it features Insta-Wire connectors.Specifications
| Brand | Siemens / Murray |
|---|---|
| Series | MP |
| Amperage | 20A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | MP |
|---|---|
| Terminal Type | Lugs |
| For Use With | Murray Load Centers, Siemens Load Centers |
| 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 | Pigtail Neutral |
| Standards | CSA C22.2 No. 5, UL 1699, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Branch/Feeder Arc Fault Protection, HACR Rated, Common Trip, Insta-Wire |
Product FAQs
5 answersCan I install the Murray MP220AF in a Siemens load center?
Yes. Siemens manufactures Murray products, and the MP220AF is engineered for seamless integration into both legacy Murray and Siemens plug-on panelboards.
What type of arc fault protection does the MP220AF provide?
The MP220AF delivers branch/feeder arc fault protection. It uses thermal-magnetic trip mechanisms combined with advanced arc detection to mitigate electrical fire risks in branch and feeder wiring.
How do I connect the neutral on the MP220AF?
This breaker is equipped with a pigtail neutral. The coiled white pigtail wire must be routed and secured directly to the neutral bus bar in your panelboard.
Does this breaker include Insta-Wire connectors?
Yes, the MP220AF features Insta-Wire connectors, which allow for faster and easier wiring during installation.
What is the modern equivalent to the MP220AF?
The MP220AF is a legacy branch/feeder AFCI. Its direct successor is the Siemens Q220AFC, which provides updated combination arc fault protection for modern code compliance.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 4 reviews.
- JVJulie V.Verified BuyerReviewingSiemens / Murray MP2100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars3/5/26on breaker
so far so good on the refurbished breaker
- JFJon F.ReviewingSiemens / Murray MP250 - 50A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars12/17/20Sales
Fantastic group to work with...
- DSDavid S.ReviewingSiemens / Murray MP2100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars1/5/20Thank you so much for
Thank you so much for sending me a 100 amp breaker that was in the condition that you said it would be in.With out your breaker I would still be in the dark Thank you David
- RARichard A.ReviewingSiemens / Murray MP2100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/13/19Awesome!
Your prices and number of available items to choose from is Awesome!