Medium Voltage Motor & Feeder Differential Protection

Bulletins 865 and 857 Motor and Feeder Protection protects devices in the distribution networks of utilities, industry, power plants and offshore application. Configure these relays using our bundled SetPointPS software.

Bulletin 865 Medium Voltage Motor & Feeder Differential Protection
  • Overview
  • Product Selection
  • Specifications
  • Software
  • Documentation
  • Resources

Features

  • 16-bit microprocessor and 16-bit A/D conversion technique
  • Wide setting ranges for the protection functions
  • Digital signal control inputs (DI) and outputs (DO)
  • Adaptable to various substations and alarm systems
  • Serial connection to automation system
  • Multiple communications protocols
  • Built-in, self-regulating AC/DC converter
  • Built-in 12-channel disturbance recorder
  • Eight programmable stages for alarm or protection purposes
  • SetPointPS relay configuration software included

Medium Voltage Motor Protectors

To view commonly ordered and quickly available products, use the Product Configuration Assistant for our complete product offerings.

Specifications

TitleNumberDownload
Bulletin 857 RAA/RAD RTD Scanner User Manual857-UM002
Bulletin 865 Differential Protection Relay For Motor, Transformer, and Generator Differential Protection, Series A Specification Guide865-SR001

Certifications

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

SetPointPS Software

SetPointPS is a relay configuration tool for Bulletin 857 and 865 relays. The SetPointPS tool reads all information directly from the device, and it can be used to evaluate disturbance recordings from the relays. The built-in evaluator uses standard COMTRADE files for saving the records. SetPointPS is compatible with all Microsoft® Windows® systems (back to and including Windows 95.

Downloads

Learn More

Additional software products are available from Rockwell Software.

Documentation

TitleNumberDownload
Bulletin 865 Differential Protection Relay Product Profile865-PP001
865 Differential Protection Relay For Motor, Transformer and Generator Differential Protection Bulletin 865, Series A Specification Guide865-SR001
Bulletin 857 Motor/Feeder Protection Relay Quick Start Manual857-QS001
Bulletin 857 RAA/RAD RTD Scanner User Manual857-UM002
865 Differential Protection Relay For Motor, Transformer and Generator Differential Protection Bulletin 865, Series A User Manual865-UM001
SetPointPS Configuration Software Programming Manual857-PM001
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Product Certifications

See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Configuration & Selection Tools

Other Resources

  • Knowledgebase — Visit our online resource for technical information, support chat and forums, software updates, and product safety advisories/notices.