PRODUCT
BULLETIN
541
WEATHERTIGHT
CONNECTORS
EN3™Series 9-18 Pins
Switchcraft expands the EN3™ Series up to 18 pins. The
EN3™ Series is a popular plastic connector series that meets
a number of harsh weather environmental ratings. It’s now
available from 2 through 18 pins. The 9-18 pin versions are only
available with solder terminals. The solder terminals come in
two styles, straight or staggered. The straight style has equal
length terminals, all facing the same way. The staggered
version has the inner set of terminals longer than the outer set.
Also, the staggered terminals face radially away from the center
of the connector, to make soldering much easier. The 9-18
versions carry the same environmental ratings as the 2-8,
which include IP66/IP68 and NEMA 250, when mated.
Features and Benefits
• Available in solder terminals only, either straight or staggered
for easier soldering
• Exceeds enclosure rating IP16/IP18 when not mated or
covered, IP66/IP68 when mated
• Exceeds Coast Guard specifications for water tightness (CFR
46 Part 110.20)
• UL 94V-O rated material
• Gold-plated pins and contacts to reduce contact resistance
Specifications
Materials
Panel connector shells and contact locking disk:
Thermoplastic polymer glass fiber, flame retardant
Connector shell interior: Thermoplastic rubber
Contacts: Copper base alloy gold-plated over nickel
underplate
Mechanical
Shock: Mil-Std 202 Method 213B, condition K
Vibration: Mil-Std 202 Method 201
Life: 600 insertion/withdrawal 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: 3.0 Amps (#26 contact)
Continued
EN3P18M26S
EN3C18F26
Series
Connector Type
P - Panel
C - Cord
# of Pins/Contacts
9-18
2WEATHERTIGHT CONNECTORS PRODUCT BULLETIN 541
Ordering information
Contact Style
S - Stagger Solder
Leave Blank for Straight Solder
Contact Size
26 - #26
Gender
M - Male
F - Female
Specifications continued
Environmental
Temperature Limits: -40°C to +65°C (non-operating)
Moisture Resistance: Mil-Std 202 Method 106F
Insulation Resistance: Mil-Std 202 Method 302 condition B
Thermal Shock: Mil-Std 202 Method 107G
Salt Spray: Mil-Std 202 Method 101D condition B
Ratings
IP16/IP18
IP66/IP68
NEMA 250 (6P)
CFR 46 Part 110.20
UL 94V-O
EN3 26
____ ___ ___ ___ ___ ___
See Engineering Design Guide or website for
details on the complete EN3 product line. The EN3
Series is available in a wide assortment of pin
counts, configurations, plating materials, and
styles. Contact the factory for details.
WEATHERTIGHT CONNECTORS 3
5555 North Elston Avenue / Chicago, IL 60630
Phone: 773-792-2700 / Fax: 773-792-2129
4WEATHERTIGHT CONNECTORS PRODUCT BULLETIN 541
5555 North Elston Avenue / Chicago, IL 60630
Phone: 773-792-2700 / Fax: 773-792-2129
