SIEMENS
Siemens GPC121.1A, S55499-D233 Rotary air damper actuator, AC/DC 24 V, 2-position, 4 Nm, spring return 60/15 s With self-centering shaft adapter for shaft dia. 8...15 mm, square 6...11 mm, min. shaft length 20 mm With position indication-Emergency...