CA /MS A&B
ITT Cannon is the foremost manufac-
turer of MS and MS type connectors
with the widest range of connector
styles, sizes and variations in the
industry. These connectors utilize the
finest materials, which, along with
precision manufacturing and rigid
quality control, assure ITT Cannon
customers of the finest quality con-
nectors. The MS A & B product line
has environmentally safe green and
black zinc alloy plating. The Black
zinc plating is RoHS complaint. The
plating is a high quality, uniform fin-
ish. The contact, which are preloaded
in the insulator, have been
redesigned such that the solder cups
remain in the proper orientation and
will not rotate during wiring termina-
tion. The contacts are machined for
strength and durability and plated
with silver. The Cannon MS A&B
design meets the performance
requirements of the MIL-C-5015. The
Product Features and Benefits
• High strength aluminum alloy connector
• High strength plastic insulators
• Environmentally safe shell finishes
• Protected against corrosion
• High quality plating finish
• Threaded coupling
• Product is tooled and available in 50 insert patterns
• Machined contacts
• Low cost
• UL recognized
Performance Specifications
Temperature Range:
Current Rating:
Durability:
Wire Accommodation:
No. of Contacts:
Termination:
–55°C to 125°C (-67°F to 257°F)
13 A to 150 A*
500 mating cycles min.
0 to 20 AWG*
2 to 48
Solder
*Depending on contact size.
A
product is available in all the popular
sizes and configurations available in
Class A (solid end bell) and Class B
(split end bell) versions.
Applications:
• Industrial Controls
• Test Equipment
• Traffic Signals
• Bus Systems
Circular
ELECTRICAL SERVICE DATA
Test current ratings of contacts and
allowable voltage drop under test con-
ditions when assembled as in service
are shown below. Maximum total cur-
rent to be carried per connector is the
same as the allowable in wire bundles
as specified in MIL-W-5088.
Contact
Size
16
12
8
4
0
Test Current
(amps)
13
23
46
80
150
Potential Drop
(millivolts)
49
42
28
23
21
HIGH POTENTIAL TEST VOLTAGE
MS connectors show no evidence of breakdown with the test voltage given
below is applied between the two closest contacts and between the shell and
the contacts closest to the shell for a period of one minute.
MS
Service
Rating
Inst.
A
D
E
B
C
Test
Voltage
(RMS)
60 cps
1000
2000
2800
3500
4500
7000
Suggested*
Operating Voltages
DC
AC (rms)
250
200
700
500
1250
900
1750
1250
2450
1750
4200
3000
Air
Spacing
Nom.
(inches)
1/16
1/8
3/16
1/4
5/16
Creepage
Distance
Nom.
(inches)
1/16
1/8
3/16
1/4
5/16
1
*As indicated in previous MS Specification and to be used by designer only as a guide.
Materials and Finishes
Description
Shell
Insulator
Contact
Material
Aluminum Alloy
Hard Plastic
Brass or Copper Alloy
Finish
Green Zinc Standard, Black Zinc (RoHS), OD CAD
—
Silver
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-72
www.ittcannon.com
MS A&B
Introduction
CA/MS 3100A wall mounting recepta-
cles are used to carry wires through
walls or bulkheads, or to provide the
means of disconnection at a bulk-
head. CA/MS 3100A receptacles mate
with CA/MS 3106 and 3108 plugs.
A
Circular
CA/MS 3101A cable connecting
receptacles are used for cable
extension
requirements
where
mounting provisions are unnecessary.
CA/MS 3101A plugs mate with
3106A/B and 3108B connectors.
Note:
The D revision of MIL-C-5015
has changed the nomenclature of the
3101 from receptacle to plugs.
CA/MS 3102A box mounted recepta-
cles are used in junction boxes or as
an integral part of equipment. CA/MS
3102A receptacles will mate with
3106 and 3108 plugs.
CA/MS 3106A straight plug utilizes a
solid endbell. The CA/MS 3106A
mates with 3100, 3101, and 3102
connectors
CA/MS 3106B is identical to the
3106A straight plug except it utilizes
a split endbell. CA/MS 3106B mates
with 3100, 3101, and 3102 connec-
tors.
CA/MS 3108B 90° angle plugs are
used where there is limited space ad
where wires must be brought at
abrupt angles. This plug will mate
with 3100, 3101, and 3102 connec-
tors.
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A-73
CA /MS A&B
How to Order
A
Circular
SERIES PREFIX
MS – Complies with Military
Specification MIL-C-5015
CA – Cannon prefix
CAR – RoHS Compliant (Black Zinc Only)
SHELL STYLE
3100 – Wall Mounting Receptacle
(A version only)
3101 – Cable Connector Receptacle
(A version only)
3102 – Box Mounting Receptacle
3106 – Straight Plug
3108 – 90° Angle Plug
(B version only)
CLASS
A – Solid or one-piece endbell
B – Split or two-piece endbell
SHELL SIZE
Coupling thread diameter in
sixteenths of an inch
CONTACT ARRANGEMENTS
Refer to page B-5
CONTACT TYPE
P – Pin
S – Socket
ALTERNATE INSERT POSITIONS
Refer to page 4
MODIFICATIONS
A206 (RoHS) Black Zinc Plating
Contact Cannon for other options.
For more information, please
contact your local Cannon sales office.
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-74
www.ittcannon.com
CA /MS A&B
Contact Cavity Arrangements
A
Circular
10SL-3
*
3 - #16
Service
Rating
10SL-4
*
2 - #16
2 - #16
12S-3
A
3 - #16
14S-1
A
4 - #16
14S-2
Inst.
5 - #16
14S-5
Inst.
6 - #16
14S-6
Inst.
3 - #16
14S-7
A
2 - #16
14S-9
A
2 - #16 (B, D)
2 - #12 (A, C)
16-9
A
3 - #12
16-10
A
2 - #12
16-11
A
A
A
7 - #16
16S-1
A
5 - #16
16S-8
A
10 - #16
18-1
4 - #16
18-4
D
1 - #16 (A)
2 - #12 (B, C)
18-5
D
7 - #16 (A-G)
1 - #12 (H)
18-8
A
5 - #16 (B, C, E-G)
2 - #12 (A, D)
18-9
4 - #12
18-10
A
5 - #12
18-11
A
6 - #16
18-12
A
A (B,C,F,G)
Inst. (all others)
Inst.
5 - #16
18-20
A
3 - #16
18-22
D
3 - #12
20-3
D
4 - #12
20-4
D
8 - #16
20-7
20-19
3 - #8
14 - #16
20-27
A
17 - #16
20-29
A
11 - #16
20-33
A
A (C-F)
D (A,B,G,F)
A
3 - #8
22-2
D
19 - #16
22-14
A
14 - #16
22-19
A
8 - #12
22-23
7 - #12
22-28
A
7 - #12
24-2
D
24-10
7 - #8
D (H)
A (all others)
A
9 - #16 (A-D, G-L)
2 - #12 (E, F)
24-20
D
24 - #16
24-28
Inst.
3 - #12 (A, F, G)
2 - #8 (B, E)
2 - #4 (C, D)
28-10
18 - #16 (A-I, N-X)
4 - #12 (J-M)
28-11
A
26 - #16
28-12
A
35 - #16
28-15
A
20 - #16
28-16
A
37 - #16
28-21
A
D (G)
A (all others)
4 - #0
36-5
A
40 - #16 (A-Z, a-s)
7 - #12 (t-z)
36-7
A
46 - #16 (A-X, Z-z)
1 - #12 (Y)
36-8
A
48 - #16
36-10
A
* 10SL is available in the following configurations only: 3100, 3101, 3102,
pin contacts only and 3106 and 3108 socket contacts only
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
www.ittcannon.com
A-75
CA /MS A&B
Wall Mounting Receptacle - Solid Endbell
MS3100A
CA/CAR 3100A
A
Circular
ITT CANNON
HARDWARE
KIT NO.
(GREEN ZINC)
ITT CANNON
HARDWARE
KIT NO.
(BLACK ZINC)
*
* 10SL is available in the following configurations only: 3100, 3101, 3102,
pin contacts only and 3106 and 3108 socket contacts only
Dimensions shown in inches (mm)
Specifications and dimensions subject to change
A-76
www.ittcannon.com
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