Weidmüller TRS 230VUC 2CO Relay Module Guide
The Weidmüller TRS 230VUC 2CO relay module is a compact TERMSERIES interface product designed for industrial control systems that need dependable switching, galvanic isolation, and organized cabinet wiring. Also listed as Weidmüller 1123540000 relay module, it is built as an assembly of a plug-in relay and a plug-in socket, which helps simplify installation and replacement in practical panel-building environments. The product uses 2 changeover contacts, a 230 V UC ±10% rated control voltage, and screw connection technology.
What makes the Weidmüller TRS 230VUC 2CO relevant
In industrial automation, relay modules still play an important role because they provide a clear electrical interface between the control side and the load side. The Weidmüller TRS 230VUC 2CO relay module is specifically intended for applications where those two circuits need to remain electrically isolated. That makes it useful in machine control panels, utility cabinets, signal transfer assemblies, and general industrial automation projects where reliability and maintainability are part of the design brief.
Key technical details that matter in practice
The combination of 2 CO contacts and a 230 V UC coil gives this module strong flexibility. Two changeover contacts allow one module to support more than a basic single-path switching function, which is helpful in interlocking, alarm routing, status forwarding, and compact signal duplication tasks. The screw connection format remains highly relevant in industrial environments because it is familiar, easy to inspect, and compatible with many established wiring standards. The product data also indicates conductor ranges for fine-stranded wiring and ferruled conductors, which reinforces its suitability for structured cabinet assembly.
Why exact module selection matters
Relay modules are often treated as simple accessories, but in real projects they influence maintenance speed, cabinet layout quality, and spare-part strategy. The Weidmüller 1123540000 relay module is searched by full code for a reason: engineers often need an exact combination of contact arrangement, control voltage, and connection method. A near match is not always a functional match, especially when system standardization is important.
Typical applications
The Weidmüller TRS 230VUC 2CO relay module is suitable for OEM panels, building services control, process-related interfaces, and industrial systems using universal 230 V control logic. Because it arrives as a module concept rather than a loose relay-only item, it supports faster specification and more predictable installation workflows. For more information about related interface products, visit Weidmüller solutions.
FAQ about the Weidmüller TRS 230VUC 2CO relay module
What is the Weidmüller TRS 230VUC 2CO?
The Weidmüller TRS 230VUC 2CO is a TERMSERIES relay module made from a plug-in relay and plug-in socket assembly for industrial switching and interface tasks.
How many contacts does the Weidmüller 1123540000 module have?
It has 2 CO contacts, which means two changeover contact paths for flexible switching functions.
What is the control voltage of the Weidmüller TRS 230VUC 2CO?
The module is specified with a 230 V UC ±10% rated control voltage.
What connection method does it use?
This version uses screw connection, which remains popular in many industrial cabinet designs.
Why would someone choose a relay module instead of separate parts?
A relay module can simplify sourcing, reduce compatibility uncertainty, and support a more organized maintenance concept.
Where is this module commonly used?
It is commonly used in industrial control panels, interface assemblies, and automation systems where galvanic isolation between control and load circuits is needed.