Tecom TS0841 8 Way Relay Board
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Relay boards are connected to a ten-way plug on the Challenger, Access Controllers, or DGP's to expand relay capacity.The TS0841 provides an additional 8 dry contact relays to the Challenger Panel Access Controllers, & TS0820 DGP's.The TS0841 & TS0842 can be used in combination, providing the maximum output count is not exceeded.