Auto-Maskin – RK-66 – DCU 305 Interface Module

The Auto‑Maskin RK‑ (PN ) is a DIN‑rail interface module designed for use with the DCU  engine controller family by Auto‑Maskin/Wärtsilä. This essential module provides digital switch inputs, analog inputs, and speed sensor interfaces—mounting directly on the DCU  to offer seamless connectivity and diagnostics for marine and industrial engine systems.  

Key Features:

• Model / PN: RK‑ (Interface Module for DCU ) ()

• Inputs:  switch/digital, analog, speed sensing (e.g., from pulse generators)  

• Mounting: DIN‑rail; connects directly to DCU  controller (via connectors P/P)  

• Purpose: Mandatory terminal interface kit when installing DCU  series R/R controllers  

• Part Number:  (sometimes shown as in aftermarket listings)  

• Weight: Approx.  g; low-profile design for control cabinet space efficiency  

• Industry Use: Marine, generator sets, propulsion engine automation