Characteristics of ERMI 200/60 type

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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:

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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