BASIC SWITCHES
Precision Snap Action Switches
FEATURES
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Snap action
Plastic, flame resistant case
Single, double and three pole circuits
Eight types of terminations
Long life
1000 V rms dielectric strength
Current capacities from dry circuit to 40 amperes
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Military approved
Environmentally sealed
UL recognized
Low movement differential and operating force types available
Stacking and gang mounting capabilities
SELECTION AND SPECIFICATIONS TABLE
SERIES
Characteristics
Catalog
Number
D4-4
D8-4
D8-9
D4-44
D8-44
D8-344
E4-103
Circuit
4 CKT
Dbl. Brk.
Electrical Rating Life
15 amps, 125/250VAC, 30VDC Resistive
10 amps, 30VDC Inductive
100,000 operations mechanical life
50,000 operations electrical life
Terminals
End Solder
Side Solder
Side Solder
End Solder
Side Solder
Side Solder
Solder
Description
Standard
Non-Simultaneous Break
MS25348-1
MS25349-1
Reset Type
Operating Release
Force
Force
(Max.)
(Min.)
Pretravel
(Max.)
Diff.
Travel
(Min.)
Diff.
Travel
(Min.)
28+/-5 oz
3 oz.
.060 in.
.018 in.
Series D
1 PDT
Operations, Min.
150,000 2.5 amps. 125/250VAC Res. & Ind.
100,000 5.0 amps. 125/250VAC Res. & Ind.
50,000 4.0 amps. 30VDC Resistive
50,000 2.5 amps. 30VDC Inductive
25,000 operations min. electrical life at:
4 amps, 28VDC Resistive
2.5 amps, 28VDC Inductive
1 PDT
150,000 operations at 2.5 amps, 125/250VAC
100,000 operations at 5.0 amps, 125/250VAC
50,000 operations at 2.5 amps, 30VDC Inductive
50,000 operations at 4.0 amps, 30VDC Resistive
150,000 operations at 2.5 amps, 125/250VAC
100,000 operations at 5.0 amps, 125/250VAC
50,000 operations at 2.5 amps, 30VDC Inductive
50,000 operations at 4.0 amps, 30VDC Resistive
2 CKT
(1 PDT)
Mom.
125/250VAC, 30 amps Resistive
125/250VAC, 20 amps Inductive
125/250VAC, 10 amps Motor
28VDC, 40 amps Resistive
28VDC, 30 amps Inductive
28VDC, 15 amps Motor
25,000 Operations Min.
15 amps, 125/250VAC, 60/400 Hz, 15 Amp Ind.,
30VDC Resistive
10 amps, 30VDC Inductive
50,000 operations
Double
Turret
Solder
Double
Turret
Wire Leads
Standard (Dust,
Splash-proof)
MS25085-1
MS25085-2
EM-4111
200
grams
40
grams
.020 in.
.003 in.
.007 in.
Series E-4 & EM
E4-270
E4-271
5 oz.
1 oz.
.004 in.
.005 in
Standard
EF-103
5-17 oz.
4 oz.
.050 in.
.004 in.
.003 in.
Series EF
Wire Leads
High-Temp.
(-65°F to +300°F)
EF-110
Solder
MS25357-1
G3-44
50.75 oz
6 oz.
0.093 in.
.055 +/-
.010 in.
.015 in.
Series G
6 CKT
3 N.O.
3 N.C.
Side Solder
Series K
Standard
U.L. Listed - 30A, 250VAC
MS25356-1
MS25353-1, Reset Type
Standard
K3-4
K3-12
K3-44
K3-344
S1-4
S2-4
S3-4
56 oz.
4 oz.
.060 in.
.075 in.
.028 +/-
.007 in.
.015 in.
.036 in.
End Solder
2 CKT 750,000 operations at 10 amps, 125VAC
End Screw
Dbl. Brk. 10,000 operations at 1 amp, 125VAC pilot duty
200,000 operations at 10 amps, 30VDC res & ind Side Solder
U.L. Listed for 10 amps, 125/250VAC,
1/2 amp, 125VDC (1/2 hp, 125/250VAC)
Military rated for 10 amps 125/250VAC, 30VDC Ind.
50,000 minimum operation
2 CKT 125VAC, 10 amps Resistive & Inductive
Dbl. Brk. 30VDC, 10 amps Resistive & Inductive
125VAC, 6 amps motor
28VDC, 6 amps motor
750,000 operations at 10 amps, 125VAC
1 PNC
10,000,000 oper. at 1 amp, 125VAC pilot duty
Dbl brk.
200,000 operations at 10 amps, 30VDC Inductive
1 PNO
Military rated for 10 amps 125/250VAC, 30VDC
Dbl brk.
End Solder
End Screw
12+/-3 oz.
4 oz.
.060 in.
.020
+/-
.005in
.015in
MS25342-1, .027 max
move. diff.
MS25344-1, .027 max
move. diff.
S1-44
S2-44
1.25 lbs
0.027
12 +/-3 oz
4 oz.
.060 in.
.015 in.
+/-
.020in
Series S
Side Solder
End Screw
Side Solder
Side Solder
MS25343-1, .020+/- .005 move diff
S3-44
Standard .020 +/- .005 move. diff.
Standard .010 +/- .004-.003 mv df
U.L. Listed
S2-25
S3-5
S3-6
19
15
15
15
oz.
oz.
oz.
oz.
D2
EATON CORPORATION Aerospace
TF300-5B February 2007
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