SKT Series
2 Position Key Switch
MATERIAL SPECIFICATIONS
TYPICAL PERFORMANCE CHARACTERISTICS
Contact Rating ………………Gold: 0.4 VA max. @ 20 VDC or
Contacts
Gold or silver plate
peak AC
Silver: 3A @ 125 VAC or 28 VDC
resistive
Cylinder Material ..............................Zinc alloy
Lock Body..........................................Zinc alloy
Key Material ......................................Brass
Terminals/Fixed Contacts..................Tin lead plate
Terminal Seal ....................................SP epoxy
Initial Contact Resistance……20 Milliohms max.
Contact Timing ……………Non-shorting
Insulation Resistance ………1,000 Megohms @ 500 VDC min.
Dielectric Strength …………1,000 Volts @ sea level
Actuator Travel ……………80°
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ..............-30°C to +85°C (-22°F to +185°F)
Storage Temperature..................-30°C to +85°C (-22°F to +185°F)
Solder Heat Resistance ..............See page M3-4
Note: All keylocks are supplied with 2 brass keys on a ring.
SPDT/DPDT
4 Disc Tumblers
1.63
(41.4)
.300
PANEL CUT-OUT
(7.62)
0.86
(21.8)
POS.1
.640
(16.3)
.630
80°
.760
(19.3)
.750
(19.1)
DIA.
(16.0)
1.00
(25.4)
POS.2
1.00
(25.4)
3/4-24 UNS-2A
SKT131
Tyco
Electronics
Alcoswitch
Type
Remove Key
Contacts
1437598-4
1437598-5
SKT131AEL01
SKT131GAEL01
SKT132AEL01
SKT132GAEL01
SKT331AEL01
SKT331GAEL01
SKT332AEL01
SKT332GAEL01
SK1323AEL01
SPDT
On On
1 Only
1 Only
1 or 2
1 or 2
1 Only
1 Only
1 or 2
1 or 2
Silver
Gold
Silver
Gold
Silver
Gold
Silver
Gold
H
SPDT
On On
On On
On On
On On
On On
On On
On On
1437598-7
SPDT
1437598-8
SPDT
1437598-9
DPDT
1-1437598-0
1-1437598-1
1-1437598-3
3-1437598-4
DPDT
DPDT
DPDT
Spare key for SKT13 Series
H3
Catalog 1308390
Issued 9-04
Dimensions are in inches
and millimeters unless otherwise reference purposes only.
specified. Values in parentheses Specifications subject
or brackets are metric equivalents. to change.
Dimensions are shown for USA: 1-800-522-6752
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
www.tycoelectronics.com
UK: 44-141-810-8967