Used on alofts sonar system, model 980 (v1). 3.346" overall length 0.512" overall width switching relay module relay direct soldered; relay with 1 changeover contact 1u coil voltage 24 vac; contact material agni 0.15 +hv; max switching voltage ac/dc/ 250 v; max make current 4 s 16; max break current 8 a; continuous current 6 a; max switching power 1500 va, resistive; max switching power 100 w, resistive; pull in power 240 mw; operating power 500 mw; pull in time 4 ms typ; drop out time 6 ms typ; bounce time 2 ms typ; dielectric strength contact coil 4 kv; voltage acc to vde 250 v/4kv/30110/1.89; operating temp M25.0 to 40.0 deg c; current consumption, un, 16 ma coil 20 deg c; cross section from awg 28 awg; cross section to awg 12 awg; color gray; strip length from 8 mm