ABB Relion REF620 Bus Protection Relay

ABB REF620 Bus – ABB Relion REF620 Bus Protection Relay

ABB is the global leader in electrification and automation technology, and the REF620 Bus reflects the engineering excellence that has made ABB the most trusted electrical brand across Saudi Arabia's industrial sector. As a protection relay, the REF620 Bus is engineered to the highest international standards for reliability, safety and performance in demanding environments. The ABB Relion REF620 Bus is a numerical busbar interface feeder protection relay providing feeder and busbar for power distribution and industrial networks. It integrates protection, control, measurement and supervision with IEC 61850 communication in a compact, withdrawable platform. Engineered for substations and industrial feeders, it ensures fast, selective fault clearance and seamless integration into modern protection and automation schemes.

Technical highlights of the REF620 Bus include: Relay family REF620; Function Busbar Interface Feeder Protection; Communication IEC 61850, Modbus, DNP3; Mounting Flush / withdrawable; Standard IEC 60255. These specifications ensure dependable operation across the wide temperature ranges, high humidity and dust conditions typical of Saudi Arabian industrial sites. Key product features comprise: Numerical multifunction protection; IEC 61850 communication; Withdrawable plug-in unit; Disturbance and event recording. Every unit is supplied as a genuine ABB product with full manufacturer documentation, type-test certification and warranty, ensuring compliance with SASO requirements and Saudi Aramco engineering standards (SAES).

Across the Kingdom, the ABB REF620 Bus is specified for MV substation feeders, Industrial power distribution, Aramco and SABIC switchgear, Utility and grid protection. It is deployed in flagship projects and operating facilities including Saudi Aramco oil and gas installations, SABIC petrochemical complexes, the NEOM giga-project, MAADEN mining and minerals operations, and SWCC desalination and water plants. ABB electrical equipment forms the backbone of power distribution, motor control and process automation across these critical national assets, where uptime, safety and energy efficiency are paramount.

Razz Middle East is your authorized ABB distribution partner in Saudi Arabia, stocking the REF620 Bus for fast delivery to Riyadh, Jeddah, Dammam, Al Khobar, Jubail, Yanbu and across the Kingdom. We provide expert pre-sales technical support, sizing and selection assistance, and full after-sales engineering backup from our in-kingdom team. Request a quotation for the ABB REF620 Bus and receive a response within four working hours. Razz supplies original ABB products only, with SASO import documentation, Saudi Aramco material approvals and project-specific datasheets available on request. Contact Razz Middle East today to secure competitive pricing and reliable supply of ABB protection relay products for your industrial, commercial or infrastructure project.