Actuator LA28
Data Sheet

LINAK.COM/MEDLINE-CARELINELA28|2Contents
Introduction��������������������������������������������������������������������������������������������������������������������������������� 3Features and options ����������������������������������������������������������������������������������������������������������������� 3Usage������������������������������������������������������������������������������������������������������������������������������������������� 3
Technical specifications��������������������������������������������������������������������������������������������������������������� 4
LA28 with standard motor��������������������������������������������������������������������������������������������������������� 4
LA28 with “S” motor���������������������������������������������������������������������������������������������������������������� 4
LA28 with 12V motor���������������������������������������������������������������������������������������������������������������� 5
Ordering example����������������������������������������������������������������������������������������������������������������������� 6Dimensions���������������������������������������������������������������������������������������������������������������������������������� 7Contacts��������������������������������������������������������������������������������������������������������������������������������������� 8

LA28 |Introduction
LA28 is primarily a system actuator. The actuator is very quiet and powerful, designed for use in theCARELINE®, MEDLINE® and TECHLINE® areas of business.

Features and options• Thrust up to 3500 N in push (with S-motor)• Protection class IP 51• Storage temperature -40 °C to 70 °C• Available with extra powerful motor(strong motor), increases speed and strength• Brake - increases self-locking ability for LA28 actuators with 6 or 9 mm pitch with or without strongmotor• Protection class: IPX5 or IPX6
• Reed-switch (LA28 = 8 pulses/spindle rev. and LA28 with strong motor = 6 pulses/spindle rev.)• Splines function (the actuator can only push)• Mounting bracket for CB8-T/A control boxes (order number 914078 (grey) and 914054 (black))• Safety nut for LA28 with 3, 6 or 9 mm pitch 0.2 m and 0.4 m coiled cable• Built-in CS print ensures electronic overload protection, see chapter 10.3 (not to be used in connection
with LINAK control boxes).

Usage• Duty cycle: Max. 10 % or 2 min. continuous use followed by 18 min. not in use.
• Ambient temperatures: +5° to +40°C• Compatibility: Compatible with LINAK control boxes. Please contact LINAK.
• Approvals: IEC 60601-1, ANSI/AAMI ES60601-1and CAN/CSA-22.2 No 60601-1

3

LA28 |

Technical specifications
LA28 with standard motor
OrdernumberPushmax.
(N)

Pullmax.
(N)*Selflock
max.
(N)
Push

*Selflock
max.
(N)
Pull

Pitch
(mm/spindle
rev.)

Typicalspeed(mm/s)
LoadnofullStandard
strokelengths(mm)
In steps of
50mm.

Typicalamp.

12V 24V

286xxx-xxxxx0xx

2500

2000

2000

2000

2

4.2

3.0

100-400-

1.5

285xxx-xxxxx0xx

2000

2000

2000

2000

2.5

5.3

4.0

100-400-

1.6

281xxx-xxxxx0xx

2000

2000

2000

2000

3

7.0

4.8

100-400-

1.5

284xxx-xxxxx0xx

1500

1500

1500

1500

4

9.5

6.7

100-400-

1.6

284xxx-4xxxx0xx

1500

1500

1500

1500

4

9.5

6.7

100-400-

1.6

282xxx-xxxxx0xx

1000

1000

500

500

6

14.3

9.6

100-400-

1.5

282xxx-4xxxx0xx

1000

1000

1000

1000

612.7

9.6

100-400-

1.5

283xxx-xxxxx0xx

800

800

200

200

921.1

14.5

100-600-

1.5

283xxx-4xxxx0xx

800

800

800

800

920.9

10.7

100-600-

2.4

287xxx-xxxxx0xx

600

600

00

1225.817.1

100-600-

1.9

287xxx-4xxxx0xx

600

600

300

300

1224.815.1

100-600

-

1.9

Pull
max.
(N)

*Selflock
max.
(N)
Push

*Selflock
max.
(N)
Pull

Pitch
(mm/spindle
rev.)Standard
strokelengths(mm)
In steps of
50mm.

Typicalamp.

LA28 with “S” motor
Ordernumber

Push
max.
(N)

Typicalspeed(mm/s)Loadnofull12V 24V

286xxx-xxxxx1xx

3500

2000

3500

2000

2

6.7

4.7

100-400-

3.9

285xxx-xxxxx1xx

3000

2000

3000

2000

2.5

8.6

6.1

100-400-

3.6

281xxx-xxxxx1xx

2000

2000

2000

2000

3

10.8

8.4

100-400-

2.9

284xxx-xxxxx1xx

2000

2000

1200

1200

4

14.6

10.3

100-400-

3.6

284xxx-4xxxx1xx

2000

2000

2000

2000

4

14.3

10.3

100-400-

3.4

282xxx-xxxxx1xx

2000

2000

500

500

6

22.0

13.8

100-400-

4.1282xxx-4xxxx1xx

2000

2000

2000

2000

622.0

12.7

100-400-

4.6

283xxx-xxxxx1xx

1500

1500

500

500

934.2

16.5

100-600-

4.9

283xxx-4xxxx1xx

1500

1500

1500

1500

933.0

10.9

100-600-

5.5

287xxx-xxxxx1xx

800

800

00

12

46.0

33.5

100-600-

3.1

287xxx-4xxxx1xx

800

800

800

800

1245.933.5

100-600-

3.1

4

LA28 |

LA28 with 12V motor
Typicalspeed(mm/s)
Load

Order
number

Push
max.
(N)

Pull
max.
(N)

*Selflock
max.
(N)
Push

*Selflock
max.
(N)
Pull

Pitch
(mm/spindlerev.)

StandardTypicalstroke lengths
amp.
(mm)
In steps of
50mm.
12V 24V

nofull286xxx-xxxxx2xx

3000

2000

2000

2000

2

7.0

3.2

100-400

6.9-

286xxx-4xxxx2xx

3000

2000

3000

2000

2

7.0

3.2

100-400

6.9-

285xxx-xxxxx2xx

3000

2000

2000

2000

2.5

8.6

3.6

100-400

6.6-

285xxx-4xxxx2xx

3000

2000

3000

2000

2.5

8.6

3.6

100-400

6.6-

281xxx-xxxxx2xx

2000

2000

2000

2000

3

10.2

6.2

100-400

6.9-

284xxx-xxxxx2xx

2000

2000

1500

1500

4

13.5

6.8

100-400

6.5-

284xxx-4xxxx2xx

2000

2000

2000

2000

4

13.3

7.5100-400

6.5-282xxx-xxxxx2xx

2000

2000

500

500

619.9

7.5

100-400

7.7-

282xxx-4xxxx2xx

2000

2000

2000

2000

619.8

7.0

100-400

8.5-

283xxx-xxxxx2xx

1500

1500

00

9

28.9

11.7

100-600

7.9-

283xxx-4xxxx2xx

1500

1500

1500

1500

9

28.9

11.7

100-600

7.9-

287xxx-xxxxx2xx

800

800

00

12

32.0

16.0

100-600

5.9-

287xxx-4xxxx2xx

800

800

800

800

12

32.0

16.0

100-600

5.9-

The measurements are made with the actuators connected to a stable power supply.
A reed-switch has no influence on above mentioned data.

5LA28 |Ordering example
28 1100 + 102 5 0000Cables:

Jack cables
0 = Straight 2.38m

4 = Cable without plug 1.5m

0 = Straight 2.4m with reed

5 = Cable without plug 1.0m

1 = Straight 1.13 m

X = Other cable/ Length

1 = Straight 1.09m with reed
General cable tolerance ± 0.080m

2 = Coiled 0.4
3 = Coiled 0.2

IP-Degree:

0 = IPX1
1 = IPX5
2 = IPX6Motor type:

0 = 24V
1 = 24V S-motor
2 = 12V S-motor

Stroke length

XXX = mm

(Cable without plug L=1.5m)

Max 500mm (for 600mm kontakt LINAK A/S)
Min 100mm

Inst. Dim.:

0 = Standard
X = Other inst. dimension

Option:1 = Safety nut RECOMMENDED
0 = None

4 = Brake

2 = Steel Splines

5 = Brake with safety nut

3 = Steel Splines with safety nut

Colour:+ = grey- = black

Option:0 = NonePos./CS:

0 = None
R = Reed switch
Y = CS 28A mount.

(without plug 1.0m)(not IP65/66)

Z = CS 28B mount.

(Without plug 1.0m

Handset cable only in black)
C = CS 28C mount. (Without plug 1.0m 5-core

Back fixture:

Cable only in black)
1 = Standard
2 = Turned 90 degrees

Spindle type:

Actuator type

1 = 3 mm

( 1 threaded )2 = 6 mm

( 2 threaded )( 3mm pitch )( 6mm pitch )3 = 9 mm

( 3 threaded )( 9mm pitch )4 = 4 mm

( 2 threaded )( 4mm pitch )5 = 2,5 mm( 1 threaded )( 2.5mm pitch )6 = 2 mm

( 1 threaded )( 2mm pitch )7 = 12 mm( 4 threaded )( 12mm pitch )28 = LA28

6LA28 |

7

Dimensions

With Reed

Backfixture
01 01
Backfixture

Backfixture02 02
Backfixture

Drawing no. 028745

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