The REC670 is a bay control IED used for control, protection, and monitoring in power networks. It supports IEC 61850 station bus features for interlocking and communication. It offers various protection and control functions, including overcurrent, voltage, frequency protection, autorecloser, synchrocheck, and apparatus control. The IED can manage up to six bays and is suitable for various switchgear arrangements. It features advanced logic capabilities and cybersecurity measures. Multiple pre-defined configurations (A30, A31, B30, C30) are available, along with options for customization.