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 ...

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 ...

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 ...

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 ...