Siemens – SSB31.1 – Electromotoric Valve Actuator, 200 N, 5.5 mm Stroke, 230 VAC

The Siemens SSB31.1 (BPZ:SSB31.1) is a robust AC-powered electro-motoric actuator delivering up to 200 N of force with a 5.5 mm stroke. Designed for modulating or 3-position control of small HVAC valves (e.g., V..P45 series), it includes a 1.5 m plug-in cable and built-in auxiliary switch. Ideal for precise water-side temperature control in heating, ventilation, and cooling systems.

Key Features:

• Model: SSB31.1 (BPZ:SSB31.1)

• Brand: Siemens (Acvatix series)  

• Power Supply & Run Time: 230 VAC, 50 Hz, ~150 s stroke time  

• Force & Stroke: 200 N; 5.5 mm total travel  

• Control Signal: 3-position step input  

• Cable & Switch: 1.5 m cable; integrated auxiliary contact switch  

• Features: Manual override, automatic stroke adaptation, end-position force cutoff, position indication  

• Protection & Build: IP40, rugged housing, plug-in cable (halogen-free options)

• Mounting: Cap-nut G¾″ — direct valve mounting with no tools required