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.

Product Certifications

Certifications apply when product is marked. 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

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Product Certifications

Certifications apply when product is marked. 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.