Tender For supply of p and f make alarm trip unit, model no. kfd2-gs-1.2w , p and f make signal distributor, model no. kfd2-stc5-1.2o , p and f make 2-channel signal conditioner, model no. kfd2- sr3-2.2s , p and f make redundant power feed module, model no. kfd2-eb2.r4a.b , p and f make 1-channel isolated barrier, model no. kfd2-sr2- ex1.w.lb