What is the purpose of the coil in a dry contact relay?

Sep 23, 2017 ... The relay has a coil. Find it and measure the voltage across the coil pins. If you're getting 0V (or close to it) when you close the switch then you have two ... In a "dry" relay configuration, there is no live voltage wired or routed to the common leg of the relay and when the relay closes, there is nothing but a closed ... Toshiba Part Number: UT1-RMT-CONTACT. Notes: 1. Dry Contact Relay Card is to convert UPS signals into real potential-free Dry Contacts for. TX90-RELAY. Dry Contact Card. Installation Guide www.xpcc.com | © 2014 Xtreme ... DCE-C is an UPS management product with 6 relay output contacts for monitoring ... Apr 13, 2019 ... Dry contacts do not switch power from the control circuit powering the relay coil, they are also known as clean contacts & are used to interface ... The maximum loads for the ZEN51 are 960W incandescent, 150W LED bulbs, 10A resistive, and 1/2 HP fan motors The ZEN51 relay should not be connected to a mixed ... The AZ 7731 Hard Wired CO2/RH/T Monitor is compatible with standard plate switches, and it includes dry contacts for external connections, suggesting that it ... Dec 30, 2018 ... Need zwave dry contact relay control · NuTone NFS20Z Smart Z-Wave Enabled Isolated Fixture Mounted Control, White... · Double Relay Switch - ... Sep 18, 2013 ... A dry contact is where the power comes from an external source. A good example is an MCC, where each bucket has its own control power transformer. Dry contacts have a power source going through them that is independent of the control circuit. It's like a contactor or relay.