Position Sensors
SE and XE Series
Environment-Sealed Basic Switches
GENERAL INFORMATION
FEATURES
SE and XE switches are the smallest envi-
ronment-sealed switches offered by
MICRO SWITCH. Both types enclose ba-
sic switches within a corrosion resistant
aluminum housing to seal precision
switch contacts from contamination. SE
switches include a SM basic switch, and
XE switches include the smaller SX basic
switch.
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Watertight seal per enclosure design
symbol 3, MIL-S-8805
Power load switching capability up to 7
amps
Temperature tolerance up to +221°F
(105°C)
High temperature construction for use
to +300°F (149°C)
Several auxiliary actuators
Choice of termination
Military standard construction with list-
ings qualified to MIL-S-8805
All 4SE switches are UL recognized
and CSA certified
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Switches held depressed for extended
periods of time at temperature extremes
may experience retarded plunger return
upon deactuation. Where such a condi-
tion exists in the application, contact the
800 number for special designs that are
available.
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4XE switches are UL recognized
ELECTRICAL RATINGS
Circuitry
Electrical Rating Code
Single-Pole
Double-Throw
A
5 amps res., 3 amps ind., (sea level), 5 amps res.,
2.5 amps ind., (50,000 feet) 28 vdc.
D
UL Rating
7 amps, 250 vac 60 Hz
5 amps res., 5 amps ind., 125 or 250 vac, 60 Hz.
B
C
UL and CSA Rating
5 amps, 250 vac, 60 Hz
E
R
7 amps res., 4 amps ind., (sea level),
7 amps res., 2.5 amps ind., (50,000 feet), 28 vdc.
7 amps res., 4 amps ind., (sea level),
1 amp res., 0.50 amp ind., 28 vdc.
7 amps res., 2.5 amps ind., (50,000 feet), 28 vdc.
7 amps res., 4 amps ind., (sea level), 115 vac, 400 Hz
Characteris tics : O.F. — Operating Force; R.F. — Release Force;
P.T. — Pretravel; O.T. — Overtravel; D.T. — Differential Travel;
O.P. — Operating Position
SE SWITCHES ORDER GUIDE
Characteris tics
Electrical
Rating
Code
O.F.
R.F. min. P.T. max. O.T. min. D.T. max.
O.P.
mm
inches
Catalog
Lis ting
Recommended
For
Newtons Newtons
ounces
mm
mm
mm
ounces
inches
inches
inches
1 foot leads
(other lengths
available)
1SE1
1SE2
1SE3
4SE1
Most applications
A
A
A
B
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
SPST — Normally-
closed
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
SPST — Normally-
open
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
UL and CSA listing
and UL and CSA
listed lead wire
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
5SE1
Oil resistant
Fluorosilicone seal
A
A
A
A
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
Fig. 1
7SE1
Lower force
1,11-2,22
0,56
2
1,27
.050
0,08
.003
0,1
.004
10,8
.425
4-8
12SE4-T
1SE1-T
High return force
1,39-5,28
5-19
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
For customer
leading
1,39-4,73
5-17
1,11
4
1,27
.050
0,08
.003
0,1
.004
10,8
.425
Fig. 2
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