C73040-A27-C242-03 Siemens PCB Board for Industrial Control Systems

Description

The Siemens C73040-A27-C242-03 Printed Circuit Board (PCB) is a specialized RS-485 communication module used within the SIPROTEC protection relay systems. It enables robust serial communication between relays, controllers, and other automation components in power distribution networks. This board is engineered for high-reliability signal transmission, especially in environments with electrical noise, vibration, or temperature extremes. Moreover, the module supports IEC 61850 and IEC 870-5-103 protocols, making it compatible with modern SCADA and substation automation systems. Its compact design and modular architecture allow for easy integration into SIPROTEC relay enclosures or control cabinets. Therefore, it is widely used in utility substations, industrial plants, and infrastructure automation projects. In addition, the board is CE and RoHS certified, ensuring compliance with international safety and environmental standards. It is available in both new and refurbished condition through industrial suppliers and aftermarket channels.