The amplifier and control units PVA-1.6, LCA-1.6 and EPC-24 are particularly suited for implementation in control systems containing electromagnetic components having nominal currents up to 3 A, whereas the amplifier unit ESV-24 is especially designed for driving electromagnetic devices with nominal currents lower than 100 mA. All units are snap-on mounting rail conform allowing easy installation. The quoted prices refer to purchase orders up to 5 units however, upon request substantial discounts can be accorded for ordering larger number of units.