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Current monitoring relays

Simple and effective monitoring

Eaton’s current monitoring relays provide protection of mechanical apparatus from jam-up or other overloading conditions that result in measurable increase in motor current. Overcurrent relays (D65CH) should be used to detect an overcurrent condition, while undercurrent monitoring relays (D65CL) should be used to detect an undercurrent condition. Standard current monitoring relays (D65CE) can be used to detect either an overcurrent or undercurrent condition. 

Core features of current monitoring relays

  • External current transformer extends current range for accurate monitoring
  • Initiates jam-clearing devices to correct conditions without tripping motor overload protection
  • Detects no-load conditions indicating absence of water in water lubricated pumps and initiates shutdown to prevent burnout of pump bearings
  • Detects tool wear (high load) or breakage (low load) in machine tools and shutdown or signals maintenance for added safety
  • Senses high loads and allows for momentary reversal of feed to prevent motor protection from tripping

Become a motor control master! 

Eaton’s goal is to enhance your product competency, troubleshooting skills and safe operation of motor control products. From beginners who are growing their knowledge to experts who need a refresher, Eaton offers a range of self-guided, eLearning and instructor-led training to meet your individual needs.  

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Available for FREE. Contact an EatonCare representative between the hours of 8AM to 5PM EST at 877-ETN-CARE or 877-386-2273 and select OPTION 2. Send an email to