Part Number 70G-OAC24-L I O Relay Modules Output in stock with ready to ship. Get an instant quote for Grayhill Inc part number 70G-OAC24-L by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 70G-OAC24-L. Our dedicated account manager will get back to you within 15 minutes.