The Contactron solid-state reversing contactor from Phoenix Contact combines four functions in a module that’s just 22.5 mm wide (see the figure). Designed for three-phase ac motors up to 4 kW/5 HP in ...

Membrane contactors have emerged as a promising technology for the simultaneous recovery of ammonia and the treatment of various wastewater streams. Their design, utilising hydrophobic membranes to ...

Munich – Schaltbau, located in Munich, has launched a new safety contactor designed for use with control boxes. It combines the functions of the main contactor and the disconnecting and earthing ...

When designing equipment with switching functions, most engineers find that switching high currents and high voltages is a major problem. A solid-state solution may be possible, but it’s complex and ...