Part Number AB20S 12 A ER having (CAGE Code 15755) and FSC 6120 Transformers: Distribution and Power Station in stock with ready to ship. Get an instant quote for AB20S 12 A ER Power Supply by Martek Power Incorporated. Fill the form below with your desired order quantity, targeted price and the expected order-fulfilment date. Our dedicated account manager will get back to you within 15 minutes.