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Common Features of All CTC Switching Modules

Feature Description
Input Voltage approx. 9 V to 24 V DC, digital current – (AC only with smoothing capacitor)
Interfaces CTC-IR-balise

From February 2025, we will include a TVS diode with all CTC switching modules. For more details, see the section “Overvoltage Protection” on the page “Power Supply and Router”.

Overview of CTC Switching Modules (from €40)

For switching turnouts, signals, lights, etc., the following CTC modules are available:

CTC Turnout Module Optimized for Dimensions Switching Outputs Servos Sensor Inputs IR Balises Max. Total Current
CTC-Weichenmodul Solenoid actuators, Märklin C-track 68 x 26 mm 4x 0.5 A Lowside - - 2 2 A
CTC-Weichenmodul-G Garden railway, motor drives 53 x 31 mm 4x 2 A Half-bridge 2 4 2 3 A
CTC-Multi-I/O-Board Solenoid actuators, servos 74 x 46 mm 8x 0.5 A Lowside 2 4 2 2 A


Notes:

  • Operating CTC modules on alternating current (AC) or unfiltered direct current without an additional capacitor will cause irreversible damage to the CTC module.
  • Switching outputs are differentiated by whether they switch ground/negative (LowSide) or the positive pole (HighSide). Especially with LED boards, one pole often has a common line. In such cases, it is crucial whether the module’s switching outputs are designed as HighSide or LowSide.
  • A half-bridge can switch between the positive and negative poles but is never fully off. Particularly so-called solenoid actuators (e.g., classic turnout drives) can suffer permanent damage if incorrectly configured on a half-bridge and should therefore not be connected to one.
  • Servos require an additional power supply module.

Installation Guides

Turnouts

The following installation guides are available for the CTC turnout module:

Guides for the CTC turnout module-G:

Servos

Turntable

A turntable can also be connected to the CTC turnout module G. For details, see Anschluss Fleischmann-Drehscheibe