8-way Relay Card. An 8-way version of the DA220. This unit has 8 independent DPCO Relays on one PCB. 12V DC operation.
Metal Cased. The unit also has an inhibit line that de-energizes all 8 relays when pulled high. Typical applications are as for the DA220. This unit can also be useful when the control of a number of components (e.g. door locks) needs to be over-ridden by another system (e.g. a fire panel).