Characteristics of ERMI 200/60 type

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      You can also contact us directly at:

      Teléfono: +34 94 453 10 61

      Email: elec@nafsa.es

      Fax: +34 94 625 01 51


      Protection rate: IP65

      Insulation class: Y (90ºC)

      Standard voltage: 24 Vdc

      Standard power: 250W

      Standard duty cycle: ED15%

      Different voltage, ED or size: Inquiry

      Documents:

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      Description

      The attraction and holding of the magnetic pieces are made by permanent magnets mounted in the solenoid. With these kind of products, we avoid the risk of load falling due to sudden power supply failure. The power supply on the coil allows to loose the load, when this power supply stops, the product recovers its initial force. When working with hanged loads norms must be respected.

      Supply possibilities

      Connector DIN43650 with stuffing box for every size
      Under demand: any size, volatge, duty cycle etc can be manufactured
      Other supply possibilities can be made under demand.

      ERMI200/60 Serie

      E (mm)
      Air gap (mm)
      0
      0,1
      0,2
      0,3
      0,4
      0,5
      1
      Holding magnetic force Fm (N)
      1
      250
      210
      190
      180
      165
      160
      140
      3
      1350
      1250
      1150
      1100
      1000
      925
      570
      6
      2350
      2000
      1750
      1400
      1200
      1100
      590
      10
      2800
      2450
      2150
      1900
      1600
      1400
      700
      16
      3000
      2550
      2300
      2000
      1700
      1500
      800

      For these holding electromagnet correct working the minimum pulse and resting time must be respected:

      • Minimum pulse time: 300ms
      • Minimum resting time: 5000ms

      The values of the minimum pulse time and resting time measured in the following conditions:

      • Coil working on its regime temperature.
      • Piece weight: 2 kilos (it is not recommended to use these holding electromagnet for lower weights)

      The data shown in the chart are the Magnetic Force (Fm) values depending on the air gap, measured in the following conditions:

      • No power supply.
      • Flat piece (3 µm rugosity) in AºSt 37 and thickness as shown.
      • Room temperature 35ºC

      The dimensions of the pieces used in the test are similar or bigger than the attraction face of the different holding electromagnets. At different conditions the magnetic force (Fm) may decrease. The value of the magnetic remanence after the power supply stops is 5% of the holding force.

      When lifting or handling heavy loads a minimun security margin of 3 must be respected, the weight of the load cannot exceed 33% of the magnetic force.

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