| Item Description | STW84V, control for suction plants, AC230V / current relay for automatic start of suction plants 8 inputs for current transformers STWA1 or STWA1H, contacts or current sensor S1 operating value adjustable 0, 5...5 A for all inputs (STWA1 and STWA1H only) single evaluation of inputs for control of slide valves (K1-8) or evaluation for start of motor at suction (K9) analog output for control of frequency converter at motor for suction output for control of cellular wheel / discharge integrated control for cleaning of filter switch off delays and start delays programmable control of volume flow by opening of additional slide valves combination of several devices possible relays 11 x change-over contacts display of operating status with leds housing width 140 MM, mounting height 55 MM snap-on mounting on DIN-rail or with screws (option) supply voltage AC 230 V |