R820-PCB-A01 | R820 Solid State Relay, 24 VAC Electronic PCB, 1 or 3 phases; replaces 021-0474 | Viconics Thread Size_11/16-20 x 3/4-14 The P499 Series transducers feature

The P499 Series transducers feature environmentally protected electronics with stainless steel construction

Connect up to 16 lights AC or 8 Lights DC

provides functional insulation only

3X3/4 PVC CLAMP SADDLE SOCKET FKM ZINC BOLT

^^CCV | 5" - 3 Way | 400 Cv | Electronic Fail-Safe | 24V | Floating^^

R820-PCB-A01 | R820 Solid State Relay, 24 VAC Electronic PCB, 1 or 3 phases; replaces 021-0474 | Viconics Thread Size_11/16-20 x 3/4-14 The P499 Series transducers featureMulti signal input board for SCRs; replaces 021 0474 Replacement Circuit Board For R820 REV2 Description The Viconics R820 series SCR power controls are designed for cost effective, precise modulation of electric loads for most electric heating applications. (Applicable on resistive loads only) The R820 series consists of SCRs power controls, c w factory assembled heatsink for surface or in panel mounting. Resources More Info