High performance in the smallest space - the KS4

No other chain drive develops more power in such little space as the KS4 from AUMÜLLER. It sets the mark with ist advanced connectivity, independently integrates itself in a multi-drive system by means of M-COM-Click and communicates confidently with modern building management systems.

Unique Performance: The world's smallest chain drive with 400 N power.

Reliable Function: through high quality materials, wear-free stainless steel chain and durable construction.

Fast Assembly: universally applicable, direct fixing points without brackets, integrated connector solution.

Self-learning: automatic configuration of drive network system via pluggable M-COM-Click.

Large Bandwidth: applicable for natural ventilation, SHEV and ferralux®-NSHEV.

Natural Ventilation: automatic windows, user dependant energy saving, comfort and convenience.

Easier to install -

perfect integration


Surface mounted or in profile integration? Frame or casement profile? It doesn't matter how and where you install the KS4: the assembly is easy and the chain drive performs discreetly.

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"Modern facades are complex high-tech instruments. Innovative, smart window drives are in demand, which combines the knowledge of many specialist. AUMÜLLER is already developing them."

Product Range

KS4 24 V S12

Technical Data

Product Name KS4 S12 24 V DC (R/L)
Area of Application ventilation, SHEV, NSHEV (EN 12101-2)
Variants Stand-alone, "R" right / "L" left version, each with feedback contact "CLOSED", programmable in "OPEN"
Switch-Off Electronics S12 - intelligent, programmable control electronics
Rated Voltage 24 V DC
Cut-Off Current 1.2 A
Stroke 50 - 1000 mm; programmable
Force (Push / Pull) 400 - 50 / 400 N; stroke dependant, programmable from 5.0 mm/s
Speed (Open / Close) max. 13.0 / 8.0 mm/s: programmable
Extension Mechanism back-stiffed side bow roller chain made from stainless steel without protruding rivet heads
Housing (W x H x L) anodised aluminium, 35 x 24 mm, length stroke dependant
Connection Lead AUMÜLLER-Click plug, halogen free, grey, 5x0.5 mm², length 2 m
Protection Rating IP 32