Web rib relays are the most reliable, well made, and convenient relays in the industry. What sets this relay apart, is its bacnet communications and the addition of a binary input. They have been prepackaged to save the installer the time, trouble, and expense of buying separate components (relay, led indicator, socket, mounting rail, transient protection, and housing) and assembling them on the job or at the shop. They're pretty handy, mounting is much simpler than other types. Web the rib21cdc makes for a great utility truck relay, considering its 120 vac to 277 vac acceptance. You can even permanently short together the dry contact input wires or terminals to get the device to act as a normal relay when the input power is. Web relays functional devices, inc. Web the 'rib' stands for 'relay in a box', by the way. These prepackaged relays come in a plastic housing and have a 0.5″ or 0.75″ national pipe thread (npt) nipple. Web the relay products we offer are made to be installed in various locations.
Use only one control voltage, and insulate the other control wire. What sets this relay apart, is its bacnet communications and the addition of a binary input. Web the rib relay in a box pilot series (includes ribu1c, ribu2c, ribh1c, ribh2c, ribh1s and more) has 10a relay contacts and is used to control light electrical loads, dirve power relays or contactors, or sense the voltage being fed to electrical loads. Use only one control voltage, and insulate the other control wire. Web the rib21cdc makes for a great utility truck relay, considering its 120 vac to 277 vac acceptance. Web the relay products we offer are made to be installed in various locations. Our most common mounting means can be found on our relay in a box (rib®) products. That’s why you’ll find rib relays in panels that johnson controls installs. They’re easy to use, save us a ton of time, and most importantly they make our customers happy. Web relays functional devices, inc. You can even permanently short together the dry contact input wires or terminals to get the device to act as a normal relay when the input power is.
