Characteristics of VM series

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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: B(130ºC)

Standard voltage: 24 Vdc

Standard duty cycle: ED100%

Supply possibilities: Flying leads for every size.

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.

Under demand

  • With campling screw from the VM25, with connector from the VM65.
  • The connector (1) has 4 possibilities of direction (4×90º) and it is possible to be incorporated to the same diodes of rectification for alterning current connection (AC).
Size
P at 20°C (W)
Thickness of the piece (mm)
Air gap (mm)
Dimensions (mm)
Weight (kg)
0
0.1
0.2
 Magnetic force Fm (N)
øA(-0.3)
B
C±0.1
D
E
F
VM20
2.6
1
3
10
18
18
18
5
5
5
1
1
1
20
M-3
25
5
0.04
VM25
4.3
1
3
10
20
23
29
7
7
10
3
4
7
25
M-4
27
5
40
0.06
VM30
4.5
1
3
10
24
45
52
10
10
14
5
6
7
30
M-4
28
5
45
0.17
VM40
7
1
3
10
39
108
128
29
57
58
22
29
37
40
M-5
30
6
55
0.24
VM50
10
1
3
10
43
129
226
30
110
125
28
75
80
50
M-5
35
6
65
0.44
VM65
14
1
3
10
44
266
374
35
203
238
25
140
145
65
M-8
40
8
112
80
0.74
VM80
18
1
3
10
44
294
588
35
267
362
25
217
256
80
M-8
45
8
127
95
1.42
VM100
25
1
3
10
45
299
1000
35
282
745
25
262
519
100
M-10
50
10
147
115
2.2
VM150
45
1
3
10
93
415
2000
75
350
1500
60
320
1300
150
M-16
65
15
197
165
6.6

Flying leads

Flying leads VM Serie

Connector

Connector VM

Campling screw

Campling Screw VM Serie

IMPORTANT: THE CLAMPING SCREW DOES NOT TO HAVE TO EXCEED THE MEASURE D

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

  • Direct current supply
  • Flat piece (3 µm rugosity) in AºSt37 and thickness as shown.
  • Room temperature 35ºC.
  • Coil working on its regime temperature when operating.

At different conditions the magnetic force (Fm) may decrease.

The dimension of the pieces used in the test are similar or bigger than the attraction face of the different holding electromagnets. The value of the magnetic remanence after the power supply stops is 5% of the holding force.

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

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