TORONTO — tekmar Control Systems has announced the addition of four new switching relay and zone valve control models to their existing line of zone control solutions. tekmar now offers 2-zone pumps, ...

Differential protection is best understood as a fault control philosophy rather than a component category. The relay itself is secondary to the scheme it enforces. Once a zone is defined, the system ...

Description: This series of zone controls manages circulators and boilers in residential hydronic heating systems. The non-networked devices control up to six heating zones and can be coupled together ...

Abstract: A method of linearization of dead zone relay with respect to control signal in relay limit-cycling servo systems is proposed. The proposed method furnishes higher accuracy compared to known ...

Hydrolevel Co. introduced the HydroZone, a Single Zone Switching Relay. HydroZone controls circulator pumps via standard 24V room thermostats. Equipped with an LED Zone Fault Indicator, HydroZone ...

A production-ready IoT relay control system featuring enterprise-grade security, modern web interface, and comprehensive safety mechanisms. Control electrical appliances remotely with confidence ...