Geeplus Europe Limited
We specialise in design and supply of advanced
actuation devices for your next generation products.

Open Frame Solenoids

As other linear solenoids open frame solenoids are on/off type actuators and develop force in one direction when energised. The return force must be provided externally, e.g. by a return spring.

Standard versions are pull type solenoids, but also push type versions can be made as custom versions. We also offer latching solenoids, where one position is based on the magnetic attraction by a permanent magnet with no electrical power applied.

products / open frame solenoids

Open Frame Solenoids are the most cost effective version of linear solenoids. They are used in many versions in all kind of applications, which causes a wide spread of requirements regarding quantities, delivery time, quality and last but not least price. That's why we work with three production lines with different manufacturing equipment and locations. The according product families have their own profile for specific market segments.

open frame linear solenoids
 
SK Series
RD Series
price
most costly
cost-effective in small volume
lead time
8-10 wks
<3-4 wks ex factory
for quantities up to 10k
reliability
>500k cycles
>500k cycles
quality
good
good
customisation
available for orders >500pcs.
available for orders >500pcs.


General characteristics of Open Frame Solenoids:

  • stroke up to 15mm (depending on type)
  • holding force up to 30N (in endposition, energised)
  • life time up to 500,000 cycles
  • miniature versions: standard versions from 8 x 10 x 15mm
  • many mechanichal options
  • rapid delivery service for RD series (4 weeks)




Model
Stroke
Holding Force
N
Dimensions
mm
weight
g
Data-
sheet


mm
10% ED*
100% ED*
LxHxD
overall
plunger
.pdf
RD-A420
4
2.5
0.5
21.4x10.8x9.8
12
2
 
RD-B425
7
2.5
0.9
25x12x10
16
3
 
RD-A520
6
5.0
1.2
20x15x13
20
3
 
RD-U617
6
3.5
0.7
17x18x19
25
4
 
RD-A622
12
4.5
1.0
21.5x18x14
26
5
 
RD-S622
14
4.5
0.5
21.5x18x14
26
6
 
RD-A625
14
4.5
1.3
25x20x16
39
5
 
RD-A628
14
4.9
1.5
28x20x16
43
6
 
RD-B630
7
8.0
2.0
31x15x13
29
6
 
RD-U630
16
4.2
1.8
30x20x15
42
6
 
RD-U640
16
3.7
1.1
40x20x15
44
8
 
RD-A730
12
6.0
1.4
30x16x14
32
9
 
RD-A732
16
9.9
3.1
32x21x16.5
53
9
 
RD-A840
16
13.5
5.0
36.8x26x20
83
12
 
RD-B840
16
9.0
3.0
40.8x19x14.5
58
14
 
RD-A940
16
16.0
5.1
36.8x26x20
85
16
 
RD-B945
14
14.0
6.0
46.5x23x19
98
20
 
RD-A1040
16
18.2
7.1
40x29x24
129
22
 
RD-A1053
16
22.0
10.1
53x30x27
194
29
 
RD-A1250
16
31.0
15.0
50x40x36
319
38
 
RD-A1264
16
28.0
14.0
64x38x30
337
49
 
SK-A0315
2
1.9
0.4
15x11x8
5
1
 
SK-F0420
6
2.2
0.3
20x11x7.5
8
2
 
SK-A0520
6
6.9
2.0
21x17.8x14
22
4
 
SK-A0626
6
11.0
4.8
26.8x20x16
43
7
 
SK-C0640
6
9.1
4.1
40x20x13.5
48
9
 
SK-A0730
6
14.2
5.1
30.3x20x16
48
8
 
SK-A0832
6
20.1
9.9
33x26x22
82
14
 
SK-W0836
6
23.0
10.0
37x26x20
100
14
 
SK-A0946
6
22.0
10.1
46.5x23x19
96
20
 
SK-A1040
6
31.0
13.0
40x29x24
126
23
 
SK-W1250
6
54.0
28.5
50x40x36
362
40
 

latching solenoids

Latching solenoids are solenoids with permanent magnet; they are mainly manufactured as Open Frame Solenoids. Latching Solenoids exhibit magnetic attraction between plunger (moveable iron component) and pole piece (fixed iron component) with no electrical power applied. Latching solenoids are ideally suited to applications where the "moving" time is very short compared to holding time in the closed position, and where the system may be required to maintain either the open position or the closed (pulled in) position for a prolonged period of time.

General characteristics of Latching Solenoids:

  • stroke up to 15mm (depending on type)
  • holding force up to 36N (in endposition, deenergised (no current))
  • bistable versions (dual coil) available
  • special version for higher actuation force (lower holding force): Leakage Pole Type
  • life time up to >5 million cycles
  • miniature versions: standard dimension from 4 x 8 x 15mm, custom design even smaller!
  • many mechanichal options


Open Frame Solenoids Modifications Customisation

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