Eaton EBR-3Z-2B0EB1-B Bus Differential Relay

The Eaton EBR-3Z-2B0EB1-B is a bus differential protection relay (EBR-3000 series) designed for three‑phase high‑impedance differential schemes. With a wide auxiliary supply range of 40–250 VAC or 19–300 VDC and support for Profibus‑DP (RS485/D‑SUB), it provides sensitive fault detection for switchgear busbars, feeders, transformers, generators and motor protection in industrial and utility applications.

Key Features

• Three‑phase high‑impedance bus differential protection for secure bus/feeder fault detection.
• Differential protection applicable to transformers, generators and motors, plus feeder protection functions.
• Restricted Earth Fault / sensitive ground input for grounded‑wye or balanced earth fault coverage.
• Communications via Profibus‑DP (RS485 / D‑SUB) for integration with protection and SCADA systems.
• Multiple I/O: 4 inputs and 4 outputs with relay contacts rated up to 5 A (some outputs/ configurations at lower rating).
• Robust operational range: wide supply voltage, low power consumption (10 W / 17 VA) and panel projection mounting; -20° to 60°C ambient.

Technical Specifications

Applications

Used for busbar differential protection in medium/high‑voltage switchgear, transformer differential schemes, generator and motor differential protection, and feeder/restricted earth fault protection in utilities and heavy industry.

We supply genuine Eaton protection relays through authorised channels from our base in Batam, with fast delivery across Indonesia and Southeast Asia. For competitive lead times and reliable stock, contact us to request a formal quotation today.