Protective relays and predictive devices

The compact, plug-and-play network and system protection combinations from Eaton’s Moeller series are suitable for systems from 30 kVA to 130 kVA and come in a plastic housing with IP65 protection. Both ranges meet the requirements of VDE-AR-N 4105:2018-11. The devices consist of one or two contactors connected in series, which are controlled via an NA protection relay and come pre-wired and mounted in an enclosure. The network and system protection combinations are intended for installation between the inverter and the mains connection.

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Overview Models Resources Support

Simplified settings

The EMR-3MP0 provides basic motor protection based on motor nameplate data. The EMR-3MP0 has been specially designed to simplify settings and configurations.

Standard relay and MP-3000 replacement kits

EMR-3MP0 relay
Cutout adapter panel
Conversion box assembly

See the document, EMR-3MP0 installation instructions, located on the resources tab for more information.

Flexible configuration options and multiple settings groups

The EMR-3000 is a current-only motor relay with flexible configuration options and multiple settings groups.

The EMR-4000 has the same features as the EMR-3000 but adds voltage protection and metering.

The EMR-5000 builds on the EMR-4000 by adding motor differential protection and a larger display.

Improved coordination

Zone selective interlocking

Increased uptime

Reduced operation and maintenance

Eaton's E-Series relays

Core features

The contactors have a low withstand rating and consume little energy
Undervoltage/overvoltage monitoring
Underfrequency/overfrequency monitoring
Power quality monitoring (10-minute mean value)
Vector shift monitoring can be added
Single-fault proof
Default settings according to VDE-AR-N 4105:2018-11, values can be changed
Alarm counter, alarm total time
Sealing option and code protection
4-pole contactors (3+N phases)
PE terminals
Switch position indicator

Reliable protection for any size

Eaton’s E-Series microprocessor-based protective relays offer reliable, secure and complete protection and control of power generation and distribution systems. Motor relays specifically provide you complete and reliable motor protection for any size motor at different voltage levels.

Specifications

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NAS network and system protection