Electromechanical Relays – Erik Prayoga

Eaton EBR-3Z-2B0DB1-B Bus Differential Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0DB1-B (EBR-3000) is a bus differential protection relay designed for high-impedance differential schemes. With wide auxiliary supply 40–250 Vac and 19–300 Vdc and multi-protocol communications, it provides selective protection for switchgear, transformers, generators and motors in distribution and utility applications. Ideal where IEC/ANSI protection relays and bus differential protection are required.

Key Features

High-impedance three-phase bus differential protection for secure fault discrimination in switchgear and busbars.
Supports differential protection of transformers, generators and motors, plus restricted earth-fault protection for grounded-wye windings.
Wide auxiliary supply: 40–250 Vac and 19–300 Vdc for flexible installation environments.
Multiple communications: Modbus RTU and DNP3 over RS-485 plus Profibus-DP via fiber (ST connector) for SCADA/automation integration.
Compact projection panel mounting, with built-in I/O (8 inputs, 11 outputs) and options such as IRIG‑B and trip coil monitoring.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0DB1-B (EBR-3000)
Protection Type	High-impedance bus differential / distribution protection
Auxiliary Supply	40–250 Vac; 19–300 Vdc
Power Consumption	10 W / 17 VA
Frequency	50/60 Hz
Relay Load Amperage	1 A, 5 A
Inputs	8
Outputs	11
Analog Inputs / Outputs	0 / 0
I/O Options	IRIG‑B; Trip Coil Monitor
Communications	Modbus RTU over RS-485; DNP3 RTU over RS-485; Profibus‑DP (fiber optics, ST)
Sensing / Metering	Current, Voltage and Power protection & metering
Mounting	Projection (panel)
Operating Temperature	-20° to 60°C
Component	Distribution Protection

Applications

Designed for busbar differential protection in medium-voltage switchgear, transformer and generator differential protection schemes, motor differential applications, and utility/distribution substation protection and automation.

We supply genuine Eaton protection relays through authorized distribution channels. Based in Batam, we deliver fast across Indonesia and Southeast Asia with competitive pricing. Contact us to request a quotation or confirm availability of the EBR-3Z-2B0DB1-B.

Eaton EBR-3Z-2B0TB0-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0TB0-B is a high‑impedance bus differential protection relay combining a 3000 High Impedance module and an EBR‑Z module in a common bezel. With a 10.4 kJ energy capability and three‑phase differential plus restricted earth‑fault functions, it protects switchgear, transformers, generators and motors. Communications include IEC 61850 and Modbus/DNP3 over RS‑485 (RJ45); conformal coating and standard mounting suit industrial and utility environments.

Key Features

High‑impedance differential protection for three‑phase buses, transformers, generators and motors.
Dual‑module design (3000 High Impedance + EBR‑Z) in a common bezel for compact protection panels.
Protocol support: IEC 61850, MDBS/Modbus and DNP3 via RS‑485 (RJ45) for modern SCADA/relay integration.
Comprehensive I/O: 8 inputs, 5 outputs and 4 analog inputs; analog outputs not fitted.
Durable hardware: conformal coating, IRIG‑B timing, URTD interface and sensitive ground (REF) input; 10.4 kJ energy withstand.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0TB0-B
Product Type	Bus differential / protection relay (high‑impedance)
Protection	Three‑phase high‑impedance differential; restricted earth‑fault
Energy Withstand	10.4 kJ
Communications	IEC 61850, MDBS/Modbus, DNP3 (RS‑485 RJ45)
I/O Options	URTD interface; sensitive ground input; IRIG‑B
Inputs / Outputs	8 inputs, 5 outputs, 4 analog inputs, 0 analog outputs
Relay Load Amperage	1 A, 5 A
Sensing Inputs	Current, voltage and power protection & metering
Mounting / Protection	Standard mount; conformal coating for harsh environments

Applications

Designed for bus differential protection in medium and high‑voltage switchgear, transformer and generator differential schemes, and critical motor protection in industrial plants and utilities. Integrates into substation automation and SCADA networks.

We supply genuine Eaton protection relays through authorized channels from our Batam base with fast delivery across Indonesia and Southeast Asia. Competitive pricing and stock availability — contact us to request a quotation and confirm lead time.

Eaton EBR-3Z-2B0KB1-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0KB1-B is a bus differential protection relay combining a 3000 High‑Impedance and an EBR‑Z High‑Impedance module in a common bezel. Designed for three‑phase high‑impedance differential protection, it supports IEC 61850, Modbus and DNP3 over fibre‑optic LC, features conformal coating and a projection mount, and includes a 10.4 kJ energy rating. Ideal for switchgear, transformer, generator and motor differential protection schemes where secure bus protection and fast communication are required.

Key Features

High‑impedance differential protection for secure detection of internal faults on buses and windings.
Dual‑module design: 3000 High‑Impedance and EBR‑Z High‑Impedance modules in a single bezel.
Communications: native IEC 61850 plus Modbus and DNP3 via fibre‑optic LC for substation integration.
Conformal coating and projection mount for improved reliability in harsh environments.
Withstand/energy rating of 10.4 kJ to handle through‑fault energy during high‑stress events.
Supports restricted earth fault and balanced earth fault protection for grounded‑wye systems.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0KB1-B
Component	Bus Differential Relay
Protection Type	Three‑phase high‑impedance differential; restricted earth fault / balanced earth fault
Modules	3000 High‑Impedance and EBR‑Z High‑Impedance (common bezel)
Communications	IEC 61850, Modbus, DNP3 (FO LC)
Mounting	Projection mount / Standard relay mounting
Environmental	Conformal coating
Energy Rating	10.4 kJ

Applications

Used for high‑security bus protection in medium and large switchgear, differential protection of transformers and generator sets, motor differential protection, and restricted earth fault schemes on grounded‑wye windings.

We supply genuine Eaton protection relays through authorized channels from our Batam base, with fast delivery across Indonesia and Southeast Asia. For competitive pricing and availability, contact us to request a formal quotation today.

Eaton EBR-3Z-2B0KB0-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0KB0-B is a high-impedance bus differential protection relay module designed for three-phase protection schemes. Featuring a 10.4 kJ energy withstand rating, integrated 3000 and EBR‑Z high-impedance modules, and IEC 61850/MODBUS/DNP3 over fiber (FO LC), this protection relay suits switchgear, transformer, generator and large motor differential protection in utility and industrial substations.

Key Features

High-impedance three-phase bus differential protection for switchgear and busbars.
Integrated 3000 and EBR‑Z high-impedance modules packaged in a common bezel.
Communications: IEC 61850, Modbus and DNP3 via fiber‑optic (FO LC); IRIG‑B timing support.
Extensive I/O: 8 digital inputs and 11 programmable outputs, with trip coil monitor option.
Rugged design with conformal coating and projection/standard mounting; 10.4 kJ energy withstand capability.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0KB0-B
Component	Distribution Protection
Protection Type	High-impedance bus differential relay
Modules	3000 High Impedance and EBR‑Z High Impedance (common bezel)
Energy Withstand	10.4 kJ
Communications	IEC 61850, MODBUS, DNP3 (FO LC)
I/O Options	IRIG‑B, Trip Coil Monitor
Inputs	8 (digital)
Outputs	11 (programmable)
Relay Load Amperage	1 A, 5 A
Analog Inputs	0
Analog Outputs	0
Mounting	Projection / Standard mount
Environmental	Conformal coating

Applications

Used for busbar differential protection in switchgear, transformer and generator differential schemes, restricted earth-fault detection on grounded-wye windings, and large motor protection in industrial and utility substations.

We supply genuine Eaton protection relays through authorized channels from our Batam base, delivering across Indonesia and Southeast Asia. Contact us for competitive lead times and to request a formal quotation for the EBR-3Z-2B0KB0-B bus differential relay.

Eaton EBR-3Z-2B0HB1-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0HB1-B is a bus differential protection relay module engineered for high-impedance, three-phase protection of switchgear, transformers, generators and large motors. This configuration combines a 3000 high-impedance module with an EBR‑Z module in a common bezel, provides a 10.4 kJ energy capability and supports IEC 61850, Modbus and DNP3 communications over RJ45. Its conformal coating and projection mounting make it suitable for demanding utility and industrial protection relay applications.

Key Features

High-impedance differential protection tailored for three-phase bus systems.
Dual-module common bezel: 3000 high-impedance module plus EBR‑Z module.
Field communications: IEC 61850, Modbus and DNP3 via RJ45 port.
Conformal coating to resist moisture and contaminants in harsh environments.
Projection mount / standard panel fit for switchgear and control cubicles.
10.4 kJ capability to support effective fault detection and trip coordination.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0HB1-B
Component	Bus Differential Relay
Protection Type	High-impedance differential protection
Phases	Three-phase
Module Configuration	3000 high-impedance module + EBR‑Z module (common bezel)
Communications	IEC 61850, Modbus, DNP3 (RJ45)
Energy Capability	10.4 kJ
Mounting	Projection mount / standard panel bezel
Environmental Protection	Conformal coating

Applications

Designed for bus differential protection in medium- and high-voltage switchgear, transformer differential schemes, generator and large motor differential protection, and restricted earth-fault detection on grounded-wye windings.

We supply genuine Eaton protection relays through authorized channels. Based in Batam, Deddy Susanto delivers quickly across Indonesia and Southeast Asia. Contact us for stock confirmation and request a quotation — competitive lead times and support for industrial and utility projects.

Eaton EBR-3Z-2B0TA1-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0TA1-B is a high‑impedance bus differential protection relay module combining 3000 high‑impedance and EBR‑Z modules in a common bezel. Designed for three‑phase bus, transformer, generator and motor differential protection, it supports IEC 61850, Modbus and DNP3 communications and is specified with a 10.4 kJ energy withstand rating — ideal for medium‑voltage switchgear and protection panels requiring selective differential tripping.

Key Features

High‑impedance differential protection for secure bus differential schemes.
Three‑phase protection for switchgear, transformers, generators and motors.
Restricted earth‑fault / balanced earth‑fault capabilities for grounded‑wye windings.
Communications: IEC 61850, DNP3 and Modbus support, with RS485 (RJ45) and fiber (ST) options.
Integrated I/O and monitoring: 8 inputs, 11 outputs, trip‑coil monitor and IRIG‑B time sync option.
Compact bezel configuration combining 3000 and EBR‑Z high‑impedance modules.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0TA1-B
Component	Distribution protection / bus differential relay
Configuration	3000 High‑Impedance + EBR‑Z modules in common bezel
Mounting	Projection / Semi‑flush
Energy Withstand	10.4 kJ
Relay Load Amperage	1 A; 5 A
Inputs	8
Outputs	11
Analog Inputs	0
Analog Outputs	0
I/O Options	IRIG‑B; Trip coil monitor
Sensing Inputs	Current, voltage and power protection/metering
Communication	IEC 61850; DNP3 RTU; Modbus (RS485 RJ45); Modbus/DNP3 over fiber (ST)

Applications

Bus differential protection for medium‑voltage switchgear, transformer differential protection, generator and motor differential schemes, and restricted earth‑fault protection in industrial and utility substations.

We supply genuine Eaton protection relays through authorized channels from our Batam base with fast delivery across Indonesia and Southeast Asia. Contact us for competitive lead times and request a quotation today to secure stock and technical support for your project.

Eaton EBR-3Z-2B0TA0-B Bus Differential Protection Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0TA0-B is a high-impedance bus differential protection relay module combining the 3000 and EBR-Z high-impedance elements in a common bezel. With support for IEC 61850, MDBS and DNP3 over RS-485 (RJ45) and a 10.4 kJ energy handling rating, this protection relay is built for sensitive three-phase differential and restricted earth-fault detection in switchgear, transformer, generator and motor protection schemes in utility and industrial substations.

Key Features

High-impedance three-phase bus differential protection for sensitive fault discrimination.
Combined 3000 and EBR-Z high-impedance modules in a single common bezel for compact panel installation.
Communications: IEC 61850, MDBS and DNP3 supported via RS-485 (RJ45) for SCADA/automation integration.
Restricted earth-fault (REF) functionality for grounded-wye and balanced earth-fault schemes.
Standard front mounting with 10.4 kJ energy handling suitable for medium-voltage bus protection panels.
Designed for differential protection of transformers, generators and motors in distribution and substation environments.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0TA0-B
Component	Bus Differential Relay
Modules	3000 High Impedance + EBR-Z High Impedance (common bezel)
Communications	IEC 61850, MDBS, DNP3 (RS-485, RJ45)
Relay Mounting	Standard / Front mount
Protection Functions	Three‑phase high-impedance differential; restricted earth-fault (REF)
Energy Handling	10.4 kJ

Applications

Used for bus differential protection in medium-voltage switchgear, transformer differential schemes, generator and motor differential protection, and protection panels in distribution substations and industrial plants.

We supply genuine Eaton protection relays through authorized distribution channels from our base in Batam. Fast delivery available across Indonesia and Southeast Asia, competitive pricing for project and MRO purchases. Contact us to request a quotation or technical support for the EBR-3Z-2B0TA0-B.

Eaton EBR-3Z-2B0HB0-B Bus Differential Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0HB0-B is a high-impedance bus differential protection relay module tailored for distribution protection and switchgear applications. This EBR-Z family device provides three-phase differential protection, restricted earth-fault capability and an energy withstand rating of 10.4 kJ. It supports modern communications for protection relays and is suitable for transformer, generator and motor differential schemes in utility, industrial and commercial installations.

Key Features

High‑impedance differential protection for sensitive and stable fault detection on busbars and transformers.
Three‑phase differential and restricted earth‑fault protection suitable for switchgear protection.
Communications support including IEC 61850, Modbus and DNP3 (RJ45) for integration into protection systems.
Trip coil monitoring and multiple digital I/O for system interface and alarm/event outputs.
Conformal coating for enhanced environmental protection in harsh electrical rooms.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0HB0-B
Product Type	High-impedance bus differential relay / Distribution protection
Energy Withstand	10.4 kJ
Communications	IEC 61850, Modbus, DNP3 (RJ45)
I/O Options	IRIG‑B; Trip coil monitor
Sensing Inputs	Current, Voltage and Power protection & metering
Analog Inputs / Outputs	0 / 0
Digital Inputs / Outputs	8 inputs / 11 outputs
Relay Load Amperage	5 A; 1 A
Mounting	Semi‑flush / Standard
Environmental	Conformal coating

Applications

Bus differential protection for medium‑ and low‑voltage switchgear, transformer differential schemes, generator and large motor protection, and restricted earth‑fault detection in utilities, industrial plants and commercial substations.

We supply genuine Eaton protection relays through authorized distribution channels. Based in Batam, Deddy Susanto offers fast delivery across Indonesia and Southeast Asia and competitive commercial terms. Contact us to request a quotation or confirm availability for EBR-3Z-2B0HB0-B.

Eaton EBR-3Z-2B0KA1-B Bus Differential Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0KA1-B is a bus differential protection relay combining a 3000-series high‑impedance module and an EBR‑Z high‑impedance module in a common bezel. Rated for three‑phase differential and restricted earth‑fault schemes, it supports IEC 61850, Modbus and DNP3 (Ethernet and fibre LC) communications and is suitable for switchgear, transformer, generator and large motor protection applications.

Key Features

High‑impedance differential protection for sensitive three‑phase bus and power asset protection.
Supports IEC 61850, Modbus TCP and DNP3 (TCP/UDP) plus fibre LC option for secure communications.
Time sync and monitoring options including IRIG‑B and trip‑coil monitoring for fast, coordinated tripping.
Multiple discrete I/O: 8 inputs and 11 outputs for flexible control and interlocking integration.
Designed for projection mounting in protection panels and switchgear environments; energy handling noted at 10.4 kJ.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0KA1-B
Component	Distribution protection / Bus differential relay
Modules	3000 High‑Impedance & EBR‑Z High‑Impedance (common bezel)
Communications	IEC 61850; Modbus TCP over Ethernet (RJ45); DNP3 TCP/UDP over Ethernet (RJ45); Fibre (LC)
I/O Options	IRIG‑B; Trip Coil Monitor
Inputs	8
Outputs	11
Analog Inputs	0
Analog Outputs	0
Relay Load Amperage	1 A, 5 A
Relay Mounting	Projection
Energy Handling	10.4 kJ
Sensing Inputs	Current, Voltage and Power protection & metering

Applications

Three‑phase bus differential protection in switchgear, transformer differential schemes, generator differential protection, large motor differential and restricted earth‑fault protection in industrial and utility substations.

We supply genuine Eaton protection relays through authorized channels from our Batam base, with fast delivery across Indonesia and Southeast Asia. Contact us for a formal quotation and technical support to specify the right EBR‑3Z configuration for your system.

Eaton EBR-3Z-2B0KA0-B Bus Differential Relay

Erik Prayoga — Fri, 19 Jun 2026 15:02:42 +0000

The Eaton EBR-3Z-2B0KA0-B is a high‑impedance bus differential protection relay module (EBR‑Z/3000 series) engineered for three‑phase differential schemes and switchgear busbar protection. With a 10.4 kJ module rating and support for IEC 61850, Modbus and DNP3 protocols, it provides secure differential and restricted earth‑fault protection for substations, transformers, generators and motor installations.

Key Features

High‑impedance three‑phase differential protection for busbars, transformers, generators and motors.
Communications: IEC 61850 plus Modbus and DNP3 (RS‑485, D‑SUB) and fiber‑optic (FO LC) options for modern substation integration.
Digital I/O: 8 inputs and 11 programmable outputs with trip coil monitor and IRIG‑B time sync support.
No onboard analog I/O (0 analog inputs/outputs) — optimized for discrete protection and metering signals.
Relay load capability noted at 1 A and 5 A control ratings; standard projection/standard mount form factor for panel bezel installation.
Designed for distribution protection with a 10.4 kJ module energy rating to handle internal fault conditions.

Technical Specifications

Manufacturer	Eaton
Commercial Reference	EBR-3Z-2B0KA0-B
Component / Function	Distribution protection / Bus differential relay
Protection Inputs	Current, Voltage, Power protection and metering
Differential Type	High impedance, three‑phase
Communications	IEC 61850; Modbus RTU (RS‑485, D‑SUB); DNP3 RTU (RS‑485, D‑SUB); FO LC
I/O Options	IRIG‑B, Trip Coil Monitor
Digital Inputs	8
Digital Outputs	11
Analog Inputs	0
Analog Outputs	0
Relay Load Amperage	1 A, 5 A
Mounting	Standard mount / projection bezel
Module Energy Rating	10.4 kJ

Applications

Ideal for busbar differential protection in medium/high‑voltage switchgear, transformer and generator differential schemes, motor protection, and restricted earth‑fault protection on grounded‑wye windings; commonly used in utility substations and industrial distribution panels.

We supply genuine Eaton protection relays through authorized distribution channels from our Batam base, with fast delivery across Indonesia and Southeast Asia. Contact us for competitive lead times and request a quotation to secure stock and pricing.