Magnetic Sensor Systems

Pull Type Tubular Solenoid

Series S-20-125

1.25" DIA X 2.00"

[31.8 mm DIA X 50.8 mm]

TOTAL WEIGHT: 9.5 OUNCES [270 GR]

PLUNGER WEIGHT: 1.6 OUNCES [45 GR]

duty cycle	1 (100%)	1/2 (50%)	1/4 (25%)	1/10 (10%)
maximum "ON” time, (Sec.)	infinite (∞ )	240	60	20
watts	12	24	48	120
approximate ampere turns	1300	1840	2600	4110

coil wire size (AWG)	coil resistance (Ω)	volts DC	volts DC	volts DC	volts DC
19	0.3	2.0	2.8	3.9	6.2
20	0.6	2.8	3.9	5.5	8.7
21	0.9	3.3	4.6	6.5	10.4
22	1.7	4.5	6.3	9.0	14.2
23	2.7	5.7	8.1	11.5	18.1
24	4.4	7.3	10.3	14.6	23.0
25	7.0	9.1	12.9	18.3	28.9
26	11.6	11.8	16.7	24.0	37.4
27	18.1	14.7	20.8	30.0	46.6
28	28.2	18.4	26.0	36.8	58.2
29	39.6	21.8	30.8	43.6	68.9
30	69.3	28.8	40.8	57.7	91.2
31	114	37.0	52.3	74.0	117
32	179	46.3	65.5	92.7	147
33	287	58.7	83.0	117	186
34	461	74.4	105	149	235
35	758	95.4	135	191	302
36	1205	120	170	241	380

HEAT SINK: For proper heat dissipation, body of solenoid should be mounted on an equivalent of 6.0" x 6.0" x 1/8" aluminum plate in an unrestricted flow of air.

6901 Woodley Avenue, Van Nuys, California 91406 USA
Telephone: +1-818-785-6244 Fax: +1-818-785-5713 www.solenoidcity.com

Tubular Pull Type Solenoid S-20-125 Page 1 Made in USA

Pull Type Tubular Solenoid

19

0.3

2.0

2.8

3.9

6.2

20

0.6

2.8

3.9

5.5

8.7

21

0.9

3.3

4.6

6.5

10.4

22

1.7

4.5

6.3

9.0

14.2

23

2.7

5.7

8.1

11.5

18.1

24

4.4

7.3

10.3

14.6

23.0

25

7.0

9.1

12.9

18.3

28.9

26

11.6

11.8

16.7

24.0

37.4

27

18.1

14.7

20.8

30.0

46.6

28

28.2

18.4

26.0

36.8

58.2

29

39.6

21.8

30.8

43.6

68.9

30

69.3

28.8

40.8

57.7

91.2

31

114

37.0

52.3

74.0

117