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ABB REF615E Feeder Protection Relay

ABB REF615E is a numerical feeder protection relay from ABB's Relion® 600 Series, engineered for medium-voltage power distribution feeders. It offers comprehensive protection functions such as overcurrent, earth-fault, directional overcurrent, under/overvoltage, and thermal overload.

The relay supports IEC 61850 communication protocols, enabling integration into digital substations and advanced automation networks. With configurable digital and analog I/Os, event recording, and disturbance logging, the REF615E ensures operational reliability and facilitates maintenance and diagnostics.

Its robust design allows operation in harsh environments, making it suitable for industrial plants, utility substations, renewable energy facilities, and critical infrastructure.

• Comprehensive Feeder Protection: Phase and earth fault, directional overcurrent, voltage monitoring, and thermal protection.

• Fast Fault Detection: Ensures rapid isolation of faults to protect equipment and minimize downtime.

• IEC 61850 Ready: Supports digital substation communication and GOOSE messaging.

• Advanced Monitoring & Diagnostics: Remote control, event recording, and disturbance logging for improved system reliability.

• Flexible Configuration: Scalable I/O and protection functions to suit various feeder types.

• Robust Design: Reliable operation in industrial and utility environments.

• SCADA Integration: Compatible with IEC 61850, Modbus, DNP3, and IEC 60870-5 protocols.

• Medium-voltage distribution feeders in utility substations

• Industrial plant electrical distribution protection

• Renewable energy distribution networks

• Oil & gas and chemical plant feeder protection

• Smart grid and IEC 61850 digital substation applications

• Critical infrastructure and manufacturing facilities

Q1: What is ABB REF615E used for?
A1: REF615E is a digital feeder protection relay designed to safeguard medium-voltage feeders, monitor operations, and enable remote control in industrial and utility networks.

Q2: Which protection functions are included?
A2: Overcurrent, directional overcurrent, earth fault, undervoltage, overvoltage, and thermal protection.

Q3: Can it integrate with SCADA and digital substations?
A3: Yes. REF615E supports IEC 61850, Modbus, DNP3, and IEC 60870-5 protocols for automation system integration.

Q4: Is it suitable for harsh industrial environments?
A4: Yes. It operates reliably between -40°C and +70°C in industrial and utility conditions.

Q5: What is the advantage of using REF615E?
A5: Provides fast, accurate feeder protection, improves operational reliability, supports advanced automation, and simplifies maintenance.

Yes. We have local distribution centers on all continents, which can quickly transport parts to any corner of the world.

2. What payment methods and currencies do you accept?

To make your purchasing process as simple as possible, we offer multiple payment methods including bank transfer, check, and PayPal. Meanwhile, we also accept most mainstream credit and debit cards, such as Visa, Mastercard, and American Express. We can accept payments in most major currencies worldwide, but we recommend using US dollars (USD), British pounds (GBP), or euros (EUR) as a priority. Payments in other currencies may incur additional fees. All transactions are securely processed by HSBC Bank and HSBC Merchant Services.

How many parts do you currently have in stock?

We have a vast inventory of thousands of new, refurbished, and outdated automation components, including products from well-known manufacturers such as ABB and Schneider. If you cannot find the required parts, please do not worry. We work closely with a global network of professional suppliers to provide you with tailored quotes even if the part is not listed on our website.

Who can I contact if I encounter any problems?

Our experienced customer service team will handle any issues after you place your order.