The Eaton EBR-3Z-2B0TB1-B is a bus differential relay module delivering high-impedance differential protection for three-phase switchgear and power apparatus. Rated for robust fault-energy conditions (10.4 kJ) and built for protection relay applications, it supports IEC/utility communications and is used in substations, switchgear panels and industrial motor/transformer protection schemes.

Key Features

High‑impedance differential protection for busbar systems, minimizing restraint-setting sensitivity.
Three‑phase differential coverage suitable for switchgear, transformers, generators and large motors.
Restricted earth‑fault capability for grounded‑wye or balanced earth‑fault detection.
Communications support including IEC 61850, DNP3 and Modbus-capable links over RS485 (RJ45).
Conformal coating and projection mounting for harsher environments and compact bezel integration.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0TB1-B
Component	Bus Differential Relay
Protection Type	High‑impedance differential
Phases	Three‑phase
Communications	IEC 61850, Modbus, DNP3 over RS485 (RJ45)
Conformal Coating	Yes
Energy Withstand	10.4 kJ
Relay Mounting	Standard / Projection mount

Applications

Used for high‑speed bus differential protection in switchgear and substations; differential protection of transformers and generators; protection schemes for large motors; and selective earth‑fault detection in grounded‑wye systems.

We supply genuine Eaton protection relays through authorized distribution channels. Based in Batam, we deliver across Indonesia and Southeast Asia with fast logistics and competitive commercial terms. Contact us to request a quotation or check stock and delivery lead time.

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