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LinemanModel LM-3 -Power Monitors

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The LINEMAN LM-3 power monitor is a single-function unit, intended for applications that demand safeguard against a specific operational hazard. Ideal for protection of centrifugal pumps against dry-running, the LM-3 is a cost-effective monitoring solution for machine builders and OEMs. For more advanced multi function load monitoring, see the LM-5, LM-6 and LM-7.

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  • Lightweight, small footprint design easily fits into most any electrical power cabinet.
  • Mounts onto a standard 35mm DIN rail (DIN 46277).
  • Easy installation and set up within minutes - no sensors to install. Alarm sets at the push of one key.
  • Digital display provides clear readout at all times.
  • Provides consistent sensitivity across the complete load range of the pump motor.
  • Single trip switch can be set to sound an alarm and stop the pump automatically in event of either over- or under-load condition
  • Operates on 50 or 60Hz AC.
  • CE, cUL and UL approved (up to 600 V).
  • Encapsulation class/Fitting: IP20/35 mm DIN-rail 46277
  • Power consumption/Fuses: Max 3W/max 10A
  • Voltage: 1x100-240 and 3x100-600 3x600-690 VAC
  • Frequency 50 or 60Hz
  • Relay output 5A/240VAC Resistive, 1.5A/240VAC Pilot duty/AC12
  • Current input: Up to 50A with transformer CT010, CT025, CT050
  • Digital input: External reset, Max 240VAC or 48VDC, High: >24VAC/DC, Low: >VAC/DC
  • Approved: CE (up to 690VAC) and cUL (up to 600VAC)