Protect your process against damage and downtime 
 
Your insurance against damage and downtime 
Emotron M20 shaft power monitor helps you save time and money. It protects your pumps or other applications against damage and detects process inefficiency. Early warnings allow you to take preventive action. Unique features include measuring shaft power output and using the motor as a sensor. The result is reduced maintenance and installation costs, extended equipment lifetime and increased reliability. 
Unique shaft power monitoring 
 
The Emotron M20 immediately detects over- and underload due to, for example, a pump running dry or a crusher jamming. A unique technique to calculate shaft power results in an accurate and reliable supervision across the whole load range. 
 
High accuracy with scalable output signal 
 
A special feature offers high accuracy also in the event of very small load variations. An analogue current output signal can be used to scale the machine load to the actual working range. The signal can be used as an input to indicating instruments, controllers or PLCs. 
 
Enter your settings in three seconds 
 
The Emotron M20 uses an Auto set feature that allows four protection set points to be established in just three seconds. By pressing Auto set during normal operation, the warning and stop levels are calculated automatically on the basis of the actual motor load measured. 
 
Low-cost installation and zero maintenance 
 
Using the motor as a sensor eliminates the need for external sensors and extra cabling, and no holes need to be made in pipes. The result is increased reliability and reduced investment, installation and maintenance costs. 
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TECHNICAL DATA 
 
The Emotron M20 shaft power monitor offers advanced multi-function monitoring thanks to two output relays, an analogue output and a display for load indication and parameter settings. 
Supply voltage Frequency Rated current Protection class Approvals 
100-240 VAC / 380-500 VAC / 525-690 VAC 50 Hz / 60 Hz 
Up to 999 A via current transformer 
IP20 
CE, UL, cUL 
 
For further technical information, please contact Field Electronics Ltd 
 
Te 01273 457089 
Email sales@fieldelectronics.com 
Web www.fieldelectronics.com 
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