Socomec – 15993020 – ATyS C20 Modular Transfer-Switch Controller, 110–400 V AC

The Socomec 15993020 is the ATyS C20 controller module, part of the ATyS C20/C30/C40 modular series. Designed for automatic transfer switch (ATS) applications, it manages single-source backup and offers automated retransfer operations. It accepts a wide-range power input and includes programmable I/O for system integration and remote control.

Key Features:

• Model: ATyS C20 controller, P/N 15993020  

• Power Supply: 110–400 V AC (measurement circuit also doubles as supply) or DC version available  

• Functionality:

  • Automatically monitors utility and generator voltages (3U on network 1, 1U on network 2)

  • Controls transfer switch actuators

  • Up to 2 programmable digital inputs (e.g., retransfer, test start/stop)

  • One programmable output for availability/status signaling

  • Dedicated generator control output  

• Modular Design:

  • Fits ATyS railable chassis (6 modules, 105 mm) with standard DIN-rail mounting  

  • Compatible with ATyS C30 and C40 variants for enhanced features  

• Compliance & Durability:

  • IEC 61010-1, IEC 61000-4-x, IEC 60068-2-x standards  

  • Weight ≈ 270 g per module