What are some energy-efficient designs for relay driver circuits?

What is Dry Contact? ... A dry contact, also known as a “volt-free contact,” is a type of relay or switch contact that does not carry any voltage or current from ... Dry contact card for Lowell UPS8 or UPS9 Series, provides Form C relay dry contact closures for remote monitoring. Relays rated at 24V, 1A. Aug 10, 2017 ... Hello all, What are the best options out there for a z-wave or zigbee controlled relay that will work with SmartThings Hub? Functional Devices, Inc. RIB Dry Contact Relay, 10 Amp SPDT, Class 2 Dry Contact Input, 120-277 Vac Power Input, NEMA 1 Housing. Aug 5, 2021 ... The alarm tech wants me to achieve this by using a dry contact relay closing, for alarm activated and relay open, when alarm deactivated. I ... dry contact outputs are specified or whenever normally closed contacts are required. Good choice for specifications that call for contact closure outputs. 20 Amp SPDT, Class 2 Dry Contact Input, 120 Vac Power Input, NEMA 1 Housing. Our RIB® relays are prepackaged to save you installation time. May 17, 2020 ... All relays, including solid-state relays, use dry contacts. One of the advantages of using a relay at all is it provides the ability to get a ... The RTS dry-contact Interface can be used to communicate between home automation, commercial controls, or other third-party systems and SOMFY's RTS products. Toshiba Part Number: UT1-RMT-CONTACT. Notes: 1. Dry Contact Relay Card is to convert UPS signals into real potential-free Dry Contacts for.