CM-LWN 1SVR450335R0100 ABB CM-LWN Motor load monitor, 2x1c/o L1-L2-L3 500VAC,L1/k-l 20A, 24-240VAC/DC View larger
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CM-LWN 1SVR450335R0100 ABB CM-LWN Motor load monitor, 2x1c/o L1-L2-L3 500VAC,L1/k-l 20A, 24-240VAC/DC




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CM-LWN Motor load monitor, 2x1c/o L1-L2-L3=500VAC,L1/k-l=20A, 24-240VAC/DC

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Electric Relays Switch

Electronic relays


* Brand new product in its original packaging covered by the warranties and certifications provided by ABB

*This price is per unit and is the net value (not including taxes if applicable).

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The CM-LWN relay is from the CM motor load monitors range. This relay operates with a rated control supply voltage of 24-240 V AC / DC, has a 2 x 1 c/o (SPDT) output with contacts rated at 250 V / 4 A and works according to the closed-circuit principle. Its measuring principle is based on the evaluation of the phase shift between the voltage and the current in one phase of single- or three-phase asynchronous motors (squirrel cage). The measuring circuit is designed for measuring voltages of 110-500 V AC and measuring currents of 2-20 A AC. The window (over- and underload) monitoring allows setting of two individual threshold values, one for maximum load and one for minimim load. The hysteresis is fixed at 4 ° related to the phase angle. The tripping delay is adjustable within a range of 0.2 to 2 s and the start-up delay within a range of 0.3 to 30 s. A sealable transparent cover for protection against unauthorized changes is available as accessory.


  • EAN:
  • Minimum Order Quantity:
    1 piece
  • Customs Tariff Number:


  • Product Net Width:
    45 mm
  • Product Net Height:
    78 mm
  • Product Net Depth:
    100 mm
  • Product Net Weight:
    0.299 kg

Container Information

  • Package Level 1 Units:
    1 piece
  • Package Level 1 Width:
    81 mm
  • Package Level 1 Height:
    106 mm
  • Package Level 1 Length:
    46 mm
  • Package Level 1 Gross Weight:
    0.325 kg


  • Function:
    Motor load monitoring
  • Measuring Range:
    2-20 A @ 110-500 V AC
  • Rated Control Supply Voltage (Us):
    24 ... 240 V AC/DC
  • Rated Frequency (f):
    15 ... 400 Hz
  • Output:
    2 x 1 c/o (SPDT) contact
  • Time Range:
    0.3-30 s start-up delay
    0.2-2 s tripping delay
  • Terminal Type:
    Screw Terminals


  • RoHS Status:
    Following EU Directive 2002/95/EC August 18, 2005 and amendment

Certificates and Declarations (Document Number)


  • Object Classification Code:
  • ETIM 4:
    EC002057 - Power relay
  • ETIM 5:
    EC002057 - Power relay
  • eClass:
    7.0 27371016

Datasheet - PDF

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