Part Number MS3320-7-1-2 Circuit Breaker Push Pull 7 5 in stock with ready to ship. Get an instant quote for Peerless Instrument Co Inc part number MS3320-7-1-2 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for MS3320-7-1-2. Our dedicated account manager will get back to you within 15 minutes.