The SP2201-1 is an industrial grade contact block manufactured by Spamel. It has one Normally Closed (NC) contact rated for 2.5 Amps at 230 Volts AC or 4 Amps at 24 Volts DC. It comes with a 22 mm (standard) front fixing and can be used as main power input for machines or machine control. The SP2201-1 is a UL, CSA and VDE approved component, making it a reliable and safe choice for industrial use.