RUGGED CONNECTORS FOR A RANGE OF APPLICATIONS
PEI-Genesis Standard K ® connectors are rugged, reliable, lightweight and easy to use. Standard K ® connectors were developed as aircraft connectors or for use in TV cameras and instrumentation, but are now used in applications as diverse as oil field equipment, shipboard circuit breakers, concert audio snakes, mass transit applications, and MRI machines. Standard K ® connectors are chemical-resistant and corrosion-resistant and have excellent electrical insulating properties and dimensional stability. The Standard K ® series is available in common layouts including 2 pin connectors, 4 pin connectors and 6 pin connectors, all the way up to 110 pins. The Standard K ® connector was originally an ITT Cannon plug and is now manufactured by Sure Seal Connections, a division of PEI-Genesis. For full details on PEI-Genesis Standard K ® connectors, see the product specifications below.
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 Standard K Full PDF Tech Specs  Create P/N  Dimensions
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PEI-GENESIS STANDARD-K SERIES FEATURES
- Proven Design
Over 60 years of service in rugged, harsh environments.
- Superior Materials
Standard-K insulators are made of diallyl phthalate or phenolic, offering near perfect resistance to chemicals, superior electrical insulating properties, and excellent dimensional stability. Aluminum housings with a heavy, clear plating ensure a rugged, corrosion resistant interconnection.
- Quick Connect & Disconnect
Special Acme Threads lock the connector halves together and allow rapid mating and un-mating of the connector halves.
- Variety of Shell Styles
Straight or right angle cable-mounted plugs mate with two flange sizes of panel-mounted receptacles. All configurations are available with male or female contacts. Rotational polarization is a standard option to avoid mis-mating connector pairs when more than one connector with the same layout is used on the same system.
- Simple Assembly and Termination
Standard-K has no complicated parts, special tooling, or demanding wire preparation requirements. Assembly of the connector is simple and fool-proof using a soldering iron and a screw driver.
- Wide Range of Wire Gauges and Current Carrying Capabilities
Wire sizes from 26 through 4 AWG can be accommodated. Contacts are rated from 5 amps for a size #20 contact up to 80 amps for a size #4 contact.
PEI-GENESIS STANDARD-K SERIES MATERIALS & FINISHES
Shell Aluminum alloy, solid shell
Shell Plating Clear chromate over cadmium per QQ-P-416 Type II class 3 thickness or electroless nickel
Insulator Diallyl phthalate, fabricated phenolic or mineral-filled glass
Contact Plating Silver plate, (gold plate optional)
PEI-GENESIS STANDARD-K SERIES ELECTRICAL DATA
Operating/Test Voltage There shall be no evidence of breakdown when the test voltages indicated are applied, for a period of one minute between the contacts and between the shell and the contacts.
Laboratory Conditions
Ambient Temperature: 23°C to 27°C.
Relative Humidity: 69% to 73%
Barometric Pressure: 29.70" to 9.75"
Insert Material: Phenolic XXX-P or molded diallyl phthalate
K-21
K-22
K-23
K-24
K-31
K-32
K-21
K-22
K-23
K-24
K-31
K-32
PEI-GENESIS STANDARD-K SERIES MECHANICAL
Operating Temperature -67°F to +257°F (-55°C to +125°C)
Mating Life 500 cycles minimum
Contact Type Solder pot or crimp, mini coax
Number of Circuits 2 to 110
Polarization Key and keyway plus optional rotational polarization
Color Silver. Insulators are brown or black.
PEI-GENESIS STANDARD-K SERIES EXPLODED VIEW
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PEI-GENESIS STANDARD-K SERIES APPLICATIONS
- Multi-pin power/signal connections
- Test equipment & systems
- Industrial machinery & automation
- Instrument panels
- Motion control & robotics
- Power supplies & generators
- Ground support for aircraft & satellites
- Refrigeration equipment
- Oil field equipment
- Television cameras
- Professional audio equipment
- Medical equipment
- Transportation equipment
- Food processing equipment
- Security systems
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PEI-GENESIS STANDARD-K SERIES EXAMPLE
STEP 1: CHOOSE SHELL SIZE LAYOUT BY NUMBER OF CONTACTS
Choose the contact arrangement from the layouts pictured on pages SK 6 and SK7 or the chart below. Layout designations include a letter prefix indicating the shell size. The coupling diameter of the shells are as follows:
WK = 7/8"
GK = 1-3/16"
SK = 1-5/16"
NK = 1-9/16"
LK = 2-1/2"
Test Voltage 60 cps (ac rms)
Uses Coax Contacts (sold separately)**
* Size 20 contacts are gold plated. Size 16 are standard silver plated, optional gold plated (add -A95 suffix to part number). All other sizes are silver plated.
** Contact us for more information.
✓ indicates most popular layouts.
 R*K Reverse Standard K Connector; Please contact us.
READ LESSLAYOUT BY SHELL SIZE
2-#16 (1 & 3)
2-#10 (2 & 4)
5-#16 (1,2,5,6,7)
2-#14 (3 & 4) 4-#16 (2, 3, 5, 6)
4-#10 (1, 4, 7, 8) 3-#16 (2, 6, 7)
4-#10 (1, 3, 4, 5) 8-#16 (2, 4-10)
2-#10 (1 & 3) 8-#16 (1, 3, 5, 7, 9-12)
4-#10 (2, 4, 6, 8) 14-#16 (1-12, 14, 16)
2-#10 (13, 15) 4-#14 (1, 3, 6, 8)
4-#8 (2, 4, 5, 7) 1-#16 (1)
8-#14 (2-9)
2-#10 (10, 11) 19-#16 (5-23)
2-#14 (3, 4)
2-#10 (1, 2) 13-#16 (1-13)
7-#10 (14-20) 20 min. coax.
Call for contacts
READ LESS
STEP 2: CHOOSE SHELL STYLE
21C
Straight plug, socket contacts with cable clamp 23C
90º plug, socket contacts with cable clamp 22C
Straight receptacle, pin contacts with cable clamp 24C
90º receptacle, pin contacts with cable clamp
31S
Small flange plug,
socket contacts. LK size not available 31SL
Large flange plug, socket contacts. 32S
Small flange
receptacle, pin contacts. 32SL
Large flange receptacle, pin contacts.
STEP 3: CHOOSE CABLE CLAMP
Straight Endbells 21C/22C
Dimension C: (Maximum cable clamp capacity)
Right Angle Endbells 23C/24C
Dimension C: (Maximum cable clamp capacity)
Not available in 23C or 24C
STEP 4: OPTIONAL ROTATIONS
Choose a rotation (omit this character for normal orientation).
Refer to chart in Step 1 for rotations for your layout.
Position N
Position X
Position V
Position Y
Position W
Position Z
NOTES:
1. Shell polarizing means is indicated by arrow at 45° and will remain constant regardless of insert rotation.
2. Insert to be rotated within the shell to the required position as viewed from engaging end of pin insert, wire side of socket insert.
3. Consult factory for alternate positions available for each layout or for alternate positions not shown.
STEP 5: SHELL PLATING
Omit - (for clear chromate over cadmium)
EN - Electroless Nickel
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PEI-GENESIS STANDARD-K SERIES K-21C STRAIGHT PLUG
Socket Contacts
PEI-GENESIS STANDARD-K SERIES K-22C STRAIGHT RECEPTACLE
Pin Contacts
PEI-GENESIS STANDARD-K SERIES K-32S & K-32SL WALL MOUNT RECEPTACLES
Pin Contacts
K-32S (Small Flange)
K-32SL (Large Flange)
For K-32SL (large flange) add "L" to nomenclature, e.g. WK-(*)-32S becomes WK-(*)-32SL. Large flange most popular.
* Add contact arrangement.
PEI-GENESIS STANDARD-K SERIES K-23C 90º ANGLE PLUG
Socket Contacts
K-32S (Small Flange)
PEI-GENESIS STANDARD-K SERIES K-24C 90º ANGLE RECEPTACLE
*Add contact arrangement
PEI-GENESIS STANDARD-K SERIES PANEL CUTOUTS
PEI-GENESIS STANDARD-K SERIES K-31S & K-31SL WALL MOUNT PLUG
Socket Contacts
K-31S (Small Flange)
K-31SL (Large Flange)
For K-31SL (large flange) add "L" to nomenclature, e.g. WK-(*)-31S becomes WK-(*)-31SL. Large flange most popular.
* Add contact arrangement.
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PEI-GENESIS STANDARD-K SERIES DUST CAPS
Metal-threaded dust caps with chain or cost-effective, press-fit plastic dust caps are available.
PEI-GENESIS STANDARD-K SERIES BARREL EXTENSIONS
019961-0014 019961-0021 019961-0006
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ITT Cannon 
