Basic Switches
SM Series
Subminiature
Characteris tics : O.F. — Operating Force; R.F. — Release Force;
P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel; O.P.
— Operating Position; F.P. — Free Position
* All characteristics are taken with actuator assembled to Catalog Listing 11SM3-T as
shown.
AUXILIARY
ACTUATORS
ORDER GUIDE
Switches are not
included with the
actuators.
Actuator
Length
‘‘A’’
mm
inches
O.F. max. R.F. min.
newtons newtons
ounces ounces
P.T. max.
mm
inches
O.T. min. D.T. max.
O.P.
mm
inches
F.P. max.
mm
inches
Catalog
Lis ting
mm
mm
Des cription
inches
inches
J S-2
Straight leaf
16,8
.66
2,78
10
0,56
2
1,98
.078
0,38
.015
0,38
.015
8,89±0,38
.350±.015
11,3
.445
Dim. Dwg. Fig. 14
J S-5
J S-7
Roller leaf
(Bronze roller)
15
.59
2,78
10
0,83
3
1,98
.078
0,38
.015
0,38
.015
14,2±0,38
.580±.015
16,9
.665
Dim. Dwg. Fig. 14
Formed leaf
(Simulated
roller)
14,7
.58
2,78
10
0,56
2
2,39
.094
0,79
.031
0,38
.015
9,65±0,38
.380±.015
12,1
.475
Dim. Dwg. Fig. 14
J S-220
J S-246
Straight lever
26,2†
1.03
0,28
1
0,04
.14
3,18
.125 approx.
0,76
.030
0,76
.030
10,3
.406 approx.
—
—
Dim. Dwg. Fig. 16
Roller lever
(Steel roller)
25,4†
1.00
0,28
1
0,04
.14
3,18
.125 approx.
0,76
.030
0,76
.030
14,3
.562 approx.
Dim. Dwg. Fig. 16
J S-221
Formed lever
(Simulated
roller)
25,4†
1.00
0,28
1
0,04
.14
3,18
.125 approx.
0,76
.030
0,76
.030
11,6
.455 approx.
—
Dim. Dwg. Fig. 16
J S-33** Tandem leaf
5,3
.21
5,00
18
2,78
10
2,36
.093
0,15
.006
0,38
.015
8,89±0,38
.350±.015
10,5
.415
J S-31** Tandem
roller leaf
4,3
.17
11,1
40
4,45
16
2,36
.093
0,13
.005
0,38
.015
14,5±0,38
.570±.015
16,1
.635
(Bronze roller)
**Travel characteristics on tandem actuators vary with actual basic switch characteristics.
NOTE: Above actuators should be used below +300°F.
See page 79 for other actuators that may be used with SM Switches at higher temperatures.
†
‘‘A’’ measurement is from the pivot point of lever to the point indicated on drawing.
30 Honeywell Sensing and Control
For application help: call1-800-537-6945.