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Military/Aerospace/HI-REL
MIL-S-83731 Toggle Switches
Features/Benefits
Rated for logic level to 5 amp resistive loads
Qualified to MIL-S-83731 and 2 amp inductive loads
50 inch selective gold contact plating Flame retardant housing material
Epoxy sealed terminals for process compatibility RoHS compliant and compatible
Test Requirement MIL-S-83731/9, 10, 13, 14, 15, 16
1. Strength of Terminal 1 lb. solder lug
10 lbs. & 8 lbs. throughout range
2. Strength of Actuating Lever Pivot and Stop
3. Strength of Mounting Means 15 lbs. in. torque on bushing
4. Dielectric (Sea Level) Indication 1000 VAC Group B, 750 VAC after electrical endurance. 500A max. leakage
5. Contact Voltage Drop 2.5 millivolt initial, 5.0 millivolt after mechanical endurance @ 2-6 VDC 0.1 amp
6.Temperature Rise
50 C rise max. @ rated resistive load after endurance test
7. Short Circuit 10 operations carry 100 amps resistive load @ lowest DC volts
8. Mechanical Life 20K operations at specified high and low temperatures
9. Electrical Endurance 10K operations at specified high and low temperatures
10. Overload 50 operations @ 150% of rated resistive load
11. Electrical Endurance at Sea Level 10K operations resistive load @ room temperature
10K operations inductive load @ room temperature
10K operations lamp load @ room temperature
Performed on different test samples
12.Vibration Method 204 of MIL-STD-202, test condition A
.06 D. A. or 10 Gs 10-500 Hz, 10 usec. max. chatter
13. Shock Fuse-method 213 or MIL-STD-202, 10 usec. max. chatter
14. Salt Spray 48 hours method 101 of MIL-STD-202, test condition B
Test Upon Completion 10 operations resistive load (toggle sealed switches only)
15. Moisture Resistance Method 106 of MIL-STD-202
Test Upon Completion 100 VDC potential between current carrying parts and panel
16. Sand & Dust Method 110 of MIL-STD-202, test condition B
6 hours @ 23 C 2.5K operations mechanical life (toggle sealed switches only)
17. Explosion MIL-STD-202 method 109, maximum rated DC inductive load (toggle sealed switches only)
18. Sealing Toggle seal 5 operations under 0.5 inches of H O above top of bushing
2
19. A.) Toggle Seal (Toggle sealed switches only)
B.) Bushing Seal (Panel sealed switches only)
20. Temperature Operation Mechanical life, 25 C to +71 C
21.Life Low Cur. Level No requirement
22. Fungus No requirement
23. Intermediate Current 20K operations, 35/40 milliamps @ 5 VDC resistive load @ +71 C
24. Thermal Shock Method 107 of MIL-STD-202 test condition A; 5 cycles @ 55 C/+85 C
RATINGS MATERIALS
CURRENT RATINGS HIGH LEVEL
CASE: Diallyl phthalate (DAP) (UL 94 V-0).
BUSHING: Brass, nickel plated.
Current Capacity in Amperes Per Pole
HOUSING: Stainless steel.
28V dc 115V ac, 400 Hz 125V ac, 60
Hz
ACTUATOR: Brass, chrome plated.
Lamp Load
111
SWITCH SUPPORT: Brass, tin plated.
Resistive Load
TERMINALS: Gold over nickel over copper alloy.
55 5
TERMINAL SEAL: Epoxy.
Inductive Load
CONTACTS: Gold over nickel over silver over brass.
22 2
F
PANEL SEAL: Silicone rubber.
CURRENT RATINGS LOGIC LEVEL
MOUNTING HARDWARE: Two hexagon nut, brass with
0.5 Volt Amp (VA) Max. @ 28 V Max. (AC or DC)
nickel plating; one lockwasher, steel with nickel
plating; one locking ring, brass with nickel plating.
HOW TO ORDER: Complete part numbers for MIL-S-83731 TOGGLE SWITCHES are shown on pages F18 through F21.
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
F17Military/Aerospace/HI-REL
MIL-S-83731 Toggle Switches
SWITCH FUNCTION CONNECTED TERMINALS
POS. 1 POS. 2 POS. 3 POS. 1 POS. 2 POS. 3
NO.
SCHEMATIC
POLES MODEL NO.
ON OFF ON
M83731/9-211
ON NONE ON
M83731/9-231
M83731/9-261 ON NONE MOM.
22-33 OPENOPEN 22-11
SPSP
MOM. OFF MOM.
M83731/9-271
SPDT
ON OFF MOM.
M83731/9-311
NONE ON MOM. N/A 2-3 2-1
M83731/9-341
SPDT
SWITCH FUNCTION CONNECTED TERMINALS
POS. 1 POS. 2 POS. 3 POS. 1 POS. 2 POS. 3
NO.
SCHEMATIC
POLES MODEL NO.
M83731/10-211 ON OFF ON
M83731/10-231 ON NONE ON
ON NONE MOM.
M83731/10-261
2-3,5-623,56 OPENOPEN 2-1,5-421,54
MOM. OFF MOM.
M83731/10-271
M83731/10-311 ON OFF MOM.
DPDP
M83731/10-321 ON ON ON
2-3,5-62356 2-3,5-42354 2-1,5-42154
DPDT
ON ON MOM.
M83731/10-331
M83731/10-341 NONE ON MOM. N/A 2-3,5-6 2-1,5-4
M83731/10-351 MOM. ON MOM. 2-3,5-6 2-3,5-4 2-1,5-4
DPDT
PANEL MOUNTING
F
Without locking ring. With standard locking ring.
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
F18
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