Rugged, reliable, battle-field tested power connectors
excel in mission critical environments
MIL-DTL-55181 power connectors
MIL-DTL-55181 QPL and modified solutions
Eaton offers a comprehensive range of MIL--DTL
--55181
QPL
and specialized solutions. This extensive range of field-proven
products can be leveraged to quickly develop application
specific solutions including custom cable assemblies.
Innovations include a stacking connector that enables power
splitting in the field without the use of Y cables. The stacking
connector incorporates plug contacts that are mated to the
battery pictured to the right. Internal contacts split power
between the attached cable and receptacle contacts that are
mated to the QPL connector stacked on top of it.
Heritage-proven designs
are rated for 500 mate
and demate cycles.
Voltage drops for mated four-contact
connectors less than 20mV at 35 amps;
9 and 18 contact models less than 25mV
at 7 amps.
.5
Gold over nickel contact platings.
Heat treated, alloy-steel nosepiece.
QPL and RoHS compliant finish
options include electroless nickel
with black-trivalent chromate.
End-to-end connectivity capabilities
include custom-cable assemblies.
2
EATON
Tactical Communications Connectors
Product overview
MIL-DTL-55181 general specifications – page 4
5
QPL & Filtered Receptacles
•
MW Series Panel Mount
•
EMI/RFI and TVS Solutions
7
QPL & RoHS-Complaint Plugs
•
Cable Mounted MW Series
8
Straight Backshell Connectors
•
SB Series Plugs and Receptacles
•
In-line and Panel-Mount Applications
9
Stacking Power
•
Plug / Receptacle Feedthrough Enables
Power Sharing Without Y Cables
10
Dual-Entry Plugs
•
Single-Plug Body Distributes Power to Two Cables
11
Dual-Header Receptacles
•
Two Receptacles Share Power From a Single Cable
12
Multiple Power Access Unit
•
Plug Body Provides an Auxiliary Receptacle in Addition
to a Cable Connection.
13
Accessories and Assembly Instructions
•
Dust Covers and Spanner Wrenches
•
Torque Specifications
EATON
Tactical Communications Connectors
3
MIL-DTL-55181 general specifications
Materials and Finishes
Shells
Plugs
Receptacles
Spanner Nut
Draw Screws
Contacts
Socket
Pin
Insulator
Aluminum alloy body, steel alloy nosepieces, cadmium plate with olive drab chromate.
Brass, cadmium plate with olive drab chromate.
Brass, olive drab chromate.
Stainless steel.
Copper alloy with berylium-copper spring, gold over nickel plating.
Yellow brass, gold over nickel plating.
Glass-filled diallyl phthalate, type GDF-30 F or SDG F.
Electrical
Dielectric Strength - 4 Contacts
Dielectric strength - 9 and 18 contacts
Insulation Resistance
Voltage drop - 4 contacts
Voltage drop - 9 and 18 contacts
200 volts RMS
1500 volts RMS
1000 megohms minimum at 500 volts DC
20 mV at 35 amps
25 mV at 7.5 amps
Mechanical
Air pressure
Water immersion
Durability
Contact retention
Insert strength
2.5 PSI
6 feet for 48 hours
500 cycles with a coupling torque of 25 inch pounds.
10 pounds
400 pounds
MIL-DTL-55181
end-to-end
connectivity
solutions include
quick turn,
custom cable
assemblies.
4
EATON
Tactical Communications Connectors
MIL-DTL-55181 panel-mount receptacles
•
•
•
•
QPL
--certified
4, 9, and 18-contact configurations.
Gold over nickel contacts.
Rated for 500 mate/demate cycles.
Please refer to the accessories section for dust cap and
backshell information.
•
Custom capabilities include factory installed wiring
harnesses and cable assemblies.
Government
Designation
Manufacturers’
Designations
# Contacts
Contact Type
Contact size
Amps/
Contact
Termination
NSN
M55181/2-01
M55181/4-01
M55181/6-01
M55181/8-01
MW20M(M)A00
MW20F(M)A00
MW20F(M)B00
MW20F(M)D00
4
4
9
18
Pin
Socket
Socket
Socket
12
12
20
20
35
35
7.5
7.5
Turret
Turret
Solder cup
Solder cup
5935-01-378-9152
5935-01-199-7156
5935-00-853-5942
5935-00-133-0394
Please refer to page 4 for aditional specifications.
Solder turret and solder cup configurations share the same dimensions
0.38”
(9.60mm)
0.13” (3.18mm) four places
1.44”
(36.50mm)
1.47”
(37.29mm)
1.26”
(32.00mm)
0.85”
(21.59mm)
1.25” (31.75mm) -18NEF-2A
1.18”
(30.07mm)
Panel cutout for /2, /4, /6 & /8
Recommended panel thickness 0.125”
Backshells facilitate cable attachments and shielding. Please contact Eaton for additional information.
EATON
Tactical Communications Connectors
5
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