Due to a planned change in payment facilitator, currently payment via credit and debit card is not available. The Service is planned to be back online ASAP.
Should a card payment order be required please contact one of our team either via the Dräger Chat, e-mail (nqrs@draeger.com) or our Customer Service contact number +44 (0)8000 884 540 and our Customer Service Team will process your requirement.
Dräger Regard 3900 Relay Board Each relay output board is populated with eight additional SPCO relays. Relay 1 on each relay board is a dedicated Fault relay and cannot be reconfigured. The remaining seven relays can be configured as Single, Common, Voting, Inhibit or Non-operational. An additional Alarm 3 level is offered by the relay board along with a second Fault threshold. All configurable relays can be Rising/Falling, Latching/Non Latching and normally energised/ energise on alarm. Alarm relays are acknowledged via the push button located on the front panel of the instrument housing. A maximum of two relay boards can be installed in a single Dräger REGARD 3900 control system.