Made in USA
EN3 SERIES WEATHERTIGHT CONNECTORS -
26 AWG 9-18 CRIMP CONTACTS & CLAMPING SYSTEM
Features and Benefits
● Easier to assemble
● New longer cable clamp secures cable up to .380
● New thicker heavier boot seals cable diameters
between .230 & .380
● Brass nut secures cable clamp
● New crimp pins/contacts eliminate soldering
● Gold plated contacts standard
● Withstands 2 meter submersion for 24 hours
®
Product Specifications
Materials
Connector Shell, Contact Locking Disc:
Thermoplastic polymer
glass fiber, flame retardant
Cable Clamp:
High grade thermoplastic
Boot, Connector Shell Interior:
Thermoplastic elastomer
Contacts:
Copper base alloy, gold plated over nickel underplate
Mechanical
Shock:
Mil-Std 202 Method 213B, Condition K
Vibration:
Mil-Std 202 Method 201A
Life:
600 insertion/withdraw cycles minimum
Electrical
Voltage Rating (Sea Level):
Tested at 600 VRMS
Insulation Resistance:
100 megohms minimum at 77° F.
Contact Resistance:
5 milliohms maximum
Current Rating:
3 Amps
Environmental
Temperature Limits:
-40° C to +65° C (non-operating)
Moisture Resistance:
Mil-Std 202 Method 106F
Insulation Resistance:
Mil-Std Method 302 Condition B
Thermal Shock:
Mil-Std 202 Method 107G
Salt Spray:
Mil-Std 202 Method 101D Condition B
Water Tightness Test:
U.S. Coast Guard CFR 46
Part 110.20
Product Ratings
IP16/IP18
IP66/IP68
NEMA 250 (6P)
CFR 46 Part 110.20
UL 94V-0
Assembled EN3 with
Large Boot
Panel Mount with
Crimp Contacts
New Boot & Clamp
with Ring
®
5555 North Elston Avenue / Chicago, IL 60630
Phone: 773-792-2700 / Fax: 773-792-2129
Switchcraft
www.switchcraft.com
Product Bulletin 572
Switchcraft
®
EN3™MINI WEATHERTIGHT - 26 AWG MULTI-PIN SERIES
Cable End
.71 18.0
2.20 55.9
1.93 49.0
Panel Mount
.83 21.0
.30 7.5
.81 20.6
5/8-27 THREAD
.610 15.5
.53 13.5
PIN #1 INDICATOR
.13 3.2
(CRIMP CONTACTS
SHOWN)
PANEL
.582 14.8
RECOMMENDED
PANEL CUT-OUT
±0.003" [±0.08mm]
In-Line
2.27 57.6
.71 18.0
2.00 50.7
Contact Arrangements
8
9
10
7
6
5
4
3
2
9
10
11
1
8
7
5
4
3
2
(Wiring View of Cable End)
8
9
10
11
1
7
6
5
4
3
2
9
10
11
1
8
7
6
5
4
3
2
16
9
10
11
1
8
7
6
5
4
3
2
13
16
9
10
11
1
18
8
7
6
5
4
3
2
13
9 PIN
8
16
9
10
11
1
18
12
7
6
5
4
2
10 PIN
14
3
15
9
10
11
17
8
7
6
11 PIN
5
4
2
1
18
12
14
3
12 PIN
15
16
9
10
11
17
1
12
8
7
6
5
4
2
14
3
13
18
13 PIN
15
16
9
10
11
17
18
1
12
8
7
6
5
4
2
14
3
14 PIN
13
15 PIN
16 PIN
17 PIN
18 PIN
NEW CABLE CLAMP SYSTEM FOR LARGER O.D. CABLE
For cable O.D. 0.230" to 0.380" [5.8 - 9.7] and maximum cable jacket stripping of 0.750" [9.1] long.
Note: Cable clamp system, for cable O.D. 0.090" to 0.265" [2.3 - 6.7] and maximum cable jacket
stripping of 0.375" [9.5] long, still available.
EN3™ Connector
Cable Clamp
Retaining Nut
Boot
EN3™ SERIES PLUG CAPS
EN3IPCAP
.70 17.8
.72 18.3
EN3CAP
.61 15.5
.26 6.7
.04 0.9
.50 12.7
.43 10.9
.81 20.6
1.61 40.9
.81 20.6
REAR VIEW
.58 14.7
All dimensions for reference only.
.61 15.5
EN3™ SERIES ORDERING CODE
EN3
Connector Type:
C
- Cord
P
- Panel
L
- In-Line
# of Contacts:
2-3
for #16
2-8
for #20
9-18
for #26
Gender:
M
- Male
F
- Female
Contact Size:
16
- 16 AWG
Leave blank for 20 AWG
26
- 26 AWG
Cable Clamp system option:
L
- for 0.230" to 0.380"
cable nom. O.D. and
0.750" long stripping.
Leave blank for 0.160" to 0.265"
cable nom. O.D. and
0.380" long stripping.
Packaging Options:
K
- Kit
Leave blank for Bulk
Contact plating:
AG
- Silver
Leave blank for Gold
Contact Style:
C
- Crimp
P
- PC tail
S
- Staggered Solder Cup
Leave blank for Straight Solder Cup
Notes:
7 and 8 pin not available in male Cord or In-Line connector
7 and 8 pin not available in female In-Line connector
AG (silver plating) special order
EN3™ SERIES FIELD ASSEMBLY INSTRUCTIONS FOR CRIMP CONTACTS:
STEP 1:
PRESS THE TWO WINGS OF CABLE CLAMP INWARD, THEN THREAD NUT CLOCKWISE ONTO CABLE CLAMP
TO THE POSITION SHOWN.
CABLE CLAMP
NUT
CABLE CLAMP WITH NUT
IN POSITION
CORD CONNECTOR
CONTACTS
CABLE CLAMP
BOOT
CABLE
CRIMP
COUPLING RING
CUT-OFF END OF BOOT HERE FOR
LARGER THAN 0.280" DIA. CABLES
STEP 2:
.75 19.1
FEED THE FREE END OF CABLE THROUGH BOOT, CABLE CLAMP,
AND COUPLING RING IN THE ORDER SHOWN.
NOTE: CUT-OFF END OF BOOT FOR LARGER THAN 0.280"
DIAMETER CABLES.
STRIP CABLE END AND CONDUCTORS AS SHOWN.
CRIMP CONDUCTORS TO CONTACTS.
.156 4.0
USE CRIMP HAND TOOL EN3CR OR PNEUMATIC CRIMP TOOL
NOTCH,
EN3CRAUTO WITH #26 POSITIONER EN3POS26.
PIN #1 INDICATOR
INSERT CONTACTS TO CONNECTOR HOUSING PER CONTACT
ARRANGEMENTS AND INSERTION INSTRUCTIONS.
CORD WIRING SIDE VIEW
CABLE
TYPICAL CONTACT INSERTION INSTRUCTIONS:
PLACE CONTACT IN GROOVE OF INSERTION HAND TOOL
EN3INS26.
NOTE: TIP OF TOOL SHOULD BE UP AGAINST
THE SHOULDER OF CONTACT.
INSERT CONTACT INTO CORRECT CAVITY OF CONNECTOR
BODY BY APPLYING CONSTANT PRESSURE UNTIL
CONTACT BOTTOMS UP AGAINST LOCKING DISC.
NOTE: DO NOT TILT TOOL DURING THE INSERTION.
REPEAT ABOVE PROCEDURE TO INSERT ALL CONTACTS
PER CONTACT ARRANGEMENTS.
LOCKING DISC
INSERTION
HAND TOOL
CONTACT
CORD HOUSING
CONDUCTOR
STEP 3:
ALIGN TABS OF COUPLING RING WITH NOTCHES OF
CORD HOUSING AND PUSH COUPLING RING ONTO
CORD HOUSING.
STEP 4:
ALIGN CABLE CLAMP AND PUSH FORWARD UNTIL IT
SNAP-LOCKS ONTO THE REAR OF CONNECTOR HOUSING.
TURN NUT OF CABLE CLAMP COUNTERCLOCKWISE
UNTIL CABLE CLAMP TIGHTENS AGAINST CABLE.
STEP 5:
PUSH BOOT ALL THE WAY FORWARD, OVER
CABLE CLAMP, UNTIL FRONT END OF BOOT
SEALS TIGHTLY ONTO CONNECTOR HOUSING.
Analogue and Mixed Signal
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