Motor overload and protective relays

Eaton’s D65 phase monitoring relays protect loads from voltage fault conditions. The devices provide protection against phase loss, phase reversal, and phase unbalance due to blown fuses, broken wires or worn contacts. They monitor simultaneous voltage drops/increases and help to prevent damaged machinery and the injury of personnel.

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Motor control training Eaton Industrial Control Line Card

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Overview Models Resources Support

Core features of phase monitoring relays

Detects reversal of phases when modifications are made to the circuit for worry-free maintenance
Detects motors from running at temperatures above approved ratings for added safety

Detects three-phase motors from continuing to run after losing a phase that could result in motor burnout

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Download Links

Brochures

D65 series monitoring relays

(PDF 163 KB , 10/31/2015)

Catalogs

Control, ground fault, voltage relays and pilot devices consulting application guide

CAG - Section 32 - CA08104001E

(PDF 1 MB , 09/30/2011)
Motor protection and monitoring

Volume 5, Tab 5

(PDF 10 MB , 04/15/2020)

Installation instructions

D65 series monitoring relays installation instructions

(PDF 106 KB , 06/30/2017)

Manuals and user guides

D65VMLP voltage monitoring relays instructions

(PDF 92 KB , 06/30/2017)

Contact me form

Email: Technical support

mailto:trc@eaton.com

Phone: Technical support

For technical support call 877-386-2273 then select OPTION 2 then OPTION 1

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Eaton is an intelligent power management company dedicated to improving the quality of life and protecting the environment for people everywhere. We are guided by our commitment to do business right, to operate sustainably and to help our customers manage power ─ today and well into the future. By capitalizing on the global growth trends of electrification and digitalization, we’re accelerating the planet’s transition to renewable energy and helping to solve the world’s most urgent power management challenges.

Phase monitoring relays