Hammond Control transformer is made from high quality silicone steel laminations for durability and features an integrally molded terminal block. Transformer measuring 3.630 Inch x 4.190 Inch x 3.250 Inch contains encapsulated coils that secure the coils as well as terminations from moisture, dirt and other contaminants. It has a power rating of 100 VA and has a frequency rating of 50/60 Hz. The mounting feet are made of heavy steel and offers great strength. Transformer can be used automation, panel shops, machines, panel boards, solenoids, control applications, timers and more. It comes with a combination slot or Philips size 6 screw, SEMS washer and is cULus Listed, CE, ROHS complaint.