Trip thermally (in an overload situation) or magnetically (under a short circuit situation). Switching duty rating (SWD) on 15 and 20 Amp single pole breakers.Quick make - quick break mechanism. SKU: 42910004 MFG: HOMT2020C Shop more products by Square D. Biggest electrical equipments retail store to buy Circuit Breakers & Fuses SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Free shipping over $35 Sold out $18.19 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Standard 1? format Trip thermally (in an overload situation) or magnetically (under a short circuit situation) Switching duty rating (SWD) on 15 and 20 Amp single pole breakers Quick make - quick break mechanism Available in convenient 10-packs Limited lifetime warranty by manufacturer FEATURES MFR: HOMT2020C SKU: 42910004 UPC: 047569071089 Brand: Square D