QFP2430-1753P 175A 240V Plug-in. This is a very old Zinsco model with a nick-name Magnatrip. Other manufacturers purchased the line and branded their names during production such as Challenger, Sylvania, Thomas & Betts and now Connecticut Circuit Breaker Co. This is recondition only. Bolt-on type QFB's and feed-thru QFL's are available, but limited supply, please call. QFP2430-175