Eaton CurrentWatch EPRM Series Instructions Manual

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IntroductionThe CurrentWatch™ EPRM Series is a familyof DIN-rail compatible, split-core currentsensors. Product features include alarge aperture, switch-selectable inputsand outputs and isolation between primary andsecondary circuits. A patented technologyeliminates the use of a magnetic core and protects thesensor against saturation and damage, which can occurfrom continuous exposure to high currents. Models availableup to 400A and with 0-5/0-10V DC or 4-20 mA outputs as standard.The EPRM Series is also available in True RMS, for working withnonlinear loads in “noisy” power environments.WARNINGIN ORDER TO AVOID ELECTRIC SHOCK OR OTHER POSSIBLE INJURY:• DO NOT USE THIS PRODUCT FOR HUMAN SAFETY APPLICATIONS. ITWAS NOT DESIGNED, TESTED OR RECOMMENDED FOR THIS USE.• DO NOT USE THIS PRODUCT IN HAZARDOUS LOCATIONS (E.G.EXPLOSIVE ATMOSPHERES). IT WAS NOT DESIGNED, TESTED ORRECOMMENDED FOR THIS USE.• ENSURE THE PRODUCT IS PROPERLY WIRED TO THE CORRECT POWERSUPLLY FOR THE APPLICATION. REFER TO THE SPECIFICATIONS ANDWIRING DIAGRAMS IN THIS MANUAL.Models Covered In This ManualCatalog Number DescriptionEPRM0510ASP 24V DC Aux. Powered, 0-5/0-10V Output, 10/25/50A RangeEPRM1510ASP 24V DC Aux. Powered, 0-5/0-10V Output, 50/75/100A RangeEPRM2510ASP 24V DC Aux. Powered, 0-5/0-10V Output, 100/150/200 RangeEPRM3510ASP 24V DC Aux. Powered, 0-5/0-10V Output, 200/300/400A RangeEPRM0420LSP Loop-Powered, 4-20 mA Output, 10/25/50A RangeEPRM1420LSP Loop-Powered, 4-20 mA Output, 50/75/100A RangeEPRM2420LSP Loop-Powered, 4-20 mA Output, 100/150/200 RangeEPRM3420LSP Loop-Powered, 4-20 mA Output, 200/300/400A RangeEPRMR0510ASP 24V DC Aux. Powered, True RMS, 0-5/0-10V Output, 10/25/50ARangeEPRMR1510ASP 24V DC Aux. Powered, True RMS, 0-5/0-10V Output,50/75/100A RangeEPRMR2510ASP 24V DC Aux. Powered, True RMS, 0-5/0-10V Output,100/150/200 RangeEPRMR3510ASP 24V DC Aux. Powered, True RMS, 0-5/0-10V Output,200/300/400A RangeEPRMR0420LSP Loop-Powered, True RMS, 4-20 mA Output, 10/25/50A RangeEPRMR1420LSP Loop-Powered, True RMS, 4-20 mA Output, 50/75/100A RangeEPRMR2420LSP Loop-Powered, True RMS, 4-20 mA Output, 100/150/200 RangeEPRMR3420LSP Loop-Powered, True RMS, 4-20 mA Output, 200/300/400ARangePatented Protection TechnologyThe EPRM Series of current sensors features a patented technolo-gy that eliminates problems associated with magnetic circuits suchas core saturation. The sensor will not be damaged by momentaryperiods of high current, and the output from the sensor is limited toprotect the signal input device.Quick Install GuideThe below steps can be followed to quickly install a CurrentWatch™EPRM Series sensor.1. Run the wire to be monitored through the cable guide and aper-ture2. Mount the sensor to a standard DIN rail3. Connect output wiring with the provided terminal blocka. Use up to 12 AWG copper wiresb. For voltage output models, make sure output load is at least10 kilohms4. Choose the correct current range by positioning the RangeSwitchCurrentWatch™ EPRM Series Current SensorsPowered AC Current Sensors, Up to 400A InputRange, Analog OutputsInstructions Publication P51928 Effective March 2014Supersedes May 2010

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