Engineered for commercial power distribution, this 20A molded case circuit breaker delivers reliable thermal-magnetic protection. Designed to install into Square D I-Line panelboards, this legacy F-Frame breaker utilizes a plug-in mounting system. For modern upgrades, it is replaced by the BDA140205 model. Rated at 18kAIC at 120VAC, it includes a factory-configured Phase C connection and a Visi-Trip indicator. It is SWD and HACR rated for versatile switching and HVAC applications.
HACR Rated, SWD Rated, Phase C Connection, Visual Trip Indicator
Product FAQs
5 answers
Can I install the FY12020C in a standard Square D QO or Homeline load center?
No. The FY12020C features an I-Line plug-in mounting style, which is exclusively compatible with Square D I-Line panelboards and switchboards. It will not fit in QO, Homeline, or NQOD residential and light commercial load centers.
What does the 'C' in the FY12020C catalog number indicate?
In Square D I-Line nomenclature, the trailing letter on a 1-pole breaker indicates the specific phase connection on the panelboard bus. The 'C' signifies that this breaker is factory-configured with the jaw positioned to connect to Phase C of the I-Line bus.
Does this breaker require a separate mounting bracket or strap for installation?
No. The I-Line mounting system is designed so the breaker plugs directly into the panelboard bus stack. The mechanical mounting and electrical connections are made simultaneously without the need for external mounting brackets or bus straps.
What is the modern replacement for the legacy FY12020C breaker?
The FY frame is a legacy series that has been largely phased out. When upgrading or replacing this unit in an I-Line panel, electricians typically cross-reference to the newer Square D PowerPact B-frame (such as the BDA series) or FA frame breakers that match the 20A, 1-pole, 120V, and 18kAIC requirements.
Can the trip settings on the FY12020C be adjusted in the field?
No. This breaker features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit trip points are factory-calibrated and cannot be modified by the user.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.