Control power transformers from Schneider Electric set the industry standard for design innovation and performance. This industrial control transformer, Terminal Cover has been certified by UL,CSA, cUL listed, CE & NOM standards. A variety of designs are available to meet the diverse needs of panel builders and machinery OEMs. The versatility of our control transformer line offers unparalleled options for design engineers. This Transformer's Product Compatability for use with D1, D2, D3, D4, D5, D13, D14, D33, D37, D15, D20, D23, D31, D32 with a power rating of 25-200 VA and comes in 1 set of 10, (set of 2). They are designed with low impedance windings for excellent voltage regulation, and can accomodate the high inrush current associated with contactors, starters, solenoids, and relays.