Space-saving converter for AC currents. Conversion of AC 0 - 15 A at DC 0 - 20 mA (STWA 1 AH) or AC 0 - 20/100 A of DC 4 to 20 mA (STWA 2 AH), with electrical isolation. Multiple looping of the conductor reduces the measuring range. For larger currents,...
For over and/or under-voltage monitoring in AC and three-phase current supply with or without zero-conductors
Temperature monitor and controller TR 111 V are suitable for the application as temperature monitor or as electronic two-step controllers with high accuracy of repetition 3 measuring ranges in one device, adjustable hysteresis and time delay as well...
Using for control and monitoring of 1 or 2 temperatures to 1 or 2 levels (day / night switchable) in heating, solar thermal and ventilation systems Optimization and energy saving ventilation systems by difference in temperature. Default basic programs...
Use as a power decoupling relay in the feed-in of self-generation plants, particularly photovoltaic systems into the low voltage power supply according to VDE-AR-N 4105 and into the medium-voltage network in accordance with BDEW directive. Monitoring...