SK Keylock Switch Low/Med Security Datasheet by NKK Switches

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NKK® Series SK 2A ON NONE ON Positions 1 & 3 25 ON NONE ON Position 1 3!} ON OFF ON Positions 1, 2, 3 3:
Series SK
Low & Medium Security Keylock Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
DESCRIPTION FOR TYPICAL ORDERING EXAMPLE
SK12BAW01
TERMINALS
01 Solder Lug
WA1SK 2B
CIRCUITS & KEY-REMOVABLE POSITIONS
Code Pos. 1 Pos. 2 Pos. 3 Key Removes
2A ON NONE ON Positions 1 & 3
2B ON NONE ON Position 1
3D ON OFF ON Positions 1, 2, 3
3E ON OFF ON Position 2
SPDT ON-NONE-ON Circuit
Key Removable in Position 1
Solder Lug Terminals 12mm Diameter Bushing
Silver Contacts
Rated 3A @ 125V AC
2 keys supplied with each switch
LOCK MECHANISMS
ALow Security
Medium Security
D(not combinable
with code 3D circuit)
POLES
1SPDT
01
CONTACT MATERIAL
Silver
Rated 3A @ 125V AC
TYPICAL SWITCH ORDERING EXAMPLE
Switches are supplied without UL
& CSA marking unless specified.
Specific models & ratings noted
on General Specifications page.
IMPORTANT:
W
8-01
Series SK
Series SK
Low & Medium Security Keylock Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
Electrical Capacity (Resistive Load)
Power Level (code W): 3A @ 125V AC for low & medium security; 1A @ 250V AC for low security
Other Ratings
Contact Resistance: 10 milliohms maximum
Insulation Resistance: 1,000 megohms minimum @ 500V DC
Dielectric Strength: 1,000V AC minimum between contacts; 1,500V AC minimum between contacts & case
Mechanical Life: 30,000 cycles minimum
Electrical Life: 10,000 cycles minimum
Nominal Operating Torque: 270 grams-cm (3.74 ounce-in) for low & medium security
Contact Timing: Break before make
Angle of Throw: 90° for 2-position & 45° for 3-position
Materials & Finishes
Key: Zinc alloy with chrome plating (matte) for low security models;
brass with nickel plating (shiny) for medium security models
Tumbler Barrel: Zinc alloy with chrome plating (matte) for low security models;
zinc alloy with chrome plating (shiny) for medium security models
Housing/Bushing: Zinc alloy with chrome plating (matte) for low security models;
zinc alloy with chrome plating (shiny) for medium security models
Base: Phenolic resin (thermoset)
Movable Contactor: Silver
Stationary Contacts: Silver capped copper with silver plating
Terminals: Copper or brass with silver plating
Environmental Data
Operating Temp Range: -25°C through +70°C (-13°F through +158°F)
Humidity: 90 ~ 95% for 96 hours @ 40°C (104°F)
Vibration: 10 ~ 55 Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range
and returning in 1 minute; 3 right angled directions for 2 hours
Shock: 50g acceleration (tested in 6 right angled directions, with 5 shocks in each direction)
Installation
Mounting Torque: 15.3kgf/cm (13.3lb/in) in mounting torque
Soldering Time & Temperature: 3 seconds @ 350°C
Process Seal: Not available
Standards & Certifications
UL Recognized: All low security models recognized at 3A @ 125V AC or 1A @ 250V AC
& all medium security models recognized at 3A @ 125V AC; UL File No. E44145
CSA Certified: All low security models certified at 3A @ 125V AC or
1A @ 250V AC; CSA File No. LR23535
GENERAL SPECIFICATIONS
8-01
Series SK “KIT
Series SK
Low & Medium Security Keylock Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
Connected Terminals = Key Removable
Pole & Key Positions = Not Removable
Throw Model Pos 1 Pos 2 Pos 3 Pos 1 Pos 2 Pos 3 Schematic = Maximum Arc
SPDT SK12A ON NONE ON COM-1 ------ COM-2
SPDT SK12B ON NONE ON COM-1 ------ COM-2
SPDT SK13D ON OFF ON COM-1 OPEN COM-2
SPDT SK13E ON OFF ON COM-1 OPEN COM-2
1 key provided with each switch
(no master key available).
For ordering additional keys, indicate the same key
number that is engraved on the face of your switch.
2 keys provided with each switch
(no master key available).
For ordering additional keys:
AT4081 for SK12A and SK12B; marked "1201" or
AT4082 for SK13D and SK13E; marked "1301".
ALow Security Mechanism
with 3 Tumblers DMedium Security Mechanism
with 4 Tumblers
Zinc Alloy with Chrome Plating (matte finish) Brass with Nickel Plating (shiny finish)
ABE
Positions 1 & 3
(90° angular throw)
Position 1
(90° angular throw)
Position 2
(45° angular throw)
DPositions 1, 2, & 3
(45° angular throw)
AT4081
AT4082
Typical Key Ordering Example:
AT4124-001
(Terminal numbers are on switch)
* Available with low security only
*
POLES, CIRCUITS, & KEY-REMOVABLE POSITIONS
KEY REMOVABLE
LOCK MECHANISMS & KEYS
12
COM
12
COM
OPEN
POS 1
3
POS 1
3
POS 1 23
POS 1
2
3
(13.7)
.539
(16.2)
.638
(20.2)
.795
(1.8)
.071
(17.0)
.669
(14.2)
.559
(9.4)
.370
(1.8)
.071
(17.0)
.669
(14.2)
.559
(9.4)
.370
(1.8)
.071
8-01
Series SK “KIT
Series SK
Low & Medium Security Keylock Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
Silver over Silver Power Level 3A @ 125V AC
W
Solder Lug Terminals
01 Solder lug terminals have a .043" X .079" oval
hole which accommodates 1 solid 18-gauge
wire or 2 solid or stranded 20-gauge wires.
Low Security • 90° Angular Throw Single Pole
SK12BAW01
Low Security • 45° Angular Throw Single Pole
SK13EAW01
CONTACT MATERIALS, RATINGS, & TERMINALS
TYPICAL SWITCH DIMENSIONS
(2.0)
.079
Epoxy Seal (4.5)
.177
(2.0)
.079
(1.1)
.043
Thk = (0.8)
.031
POS 1
90°
POS 3
(14.0) Dia
.551
M12 P1
(13.0)
.512
(4.5)
.177
(30.0)
1.181
(3.0)
.118
(13.2)
.520
(0.5)
.020
(17.0)
.669
(1.1) x (2.0) Typ
.043 x .079
(0.8) Typ
.031
(2.0) Typ
.079
2
1
C
O
M
(10.8)
.425
(14.0) Dia
.551
POS 2
POS 3
POS 1
45° 45°
(13.2)
.520
M12 P1
(13.0)
.512
(4.5)
.177
(30.0)
1.181
(3.0)
.118
(0.5)
.020
(17.0)
.669
(1.1) x (2.0) Typ
.043 x .079
(2.0) Typ
.079
(0.8) Typ
.031
2
1
C
O
M
(10.8)
.425
8-01
Series SK
Series SK
Low & Medium Security Keylock Switches
NKK Switches • email: sales@nkkswitches.com • Phone (480) 991-0942 • Fax (480) 998-1435 www.nkkswitches.com
Medium Security • 90° Angular Throw Single Pole
SK12ADW01
Medium Security • 45° Angular Throw Single Pole
SK13EDW01
AT527M
Hex Mounting Nut
1 included with each switch
Steel, chromate over zinc plating
1 included with each switch
Steel, nickel plating
AT508
Internal Tooth Lockwasher
The 12mm bushing is 13.0mm (.512") long.
It allows mounting these devices in
a maximum effective panel thickness of 8.0mm (.315").
(12.1) Dia
.476
(15.8) Dia
.622
(13.8) Dia
.543
(14.0)
.551
M12 P1
TYPICAL SWITCH DIMENSIONS
PANEL CUTOUT & THICKNESS
STANDARD HARDWARE
(12.0) Dia
.472
(11.2)
.441
(0.5)
.020
(1.0)
.039
(16.0)
.630
(2.0)
.079
POS 1
90°
POS 3
(15.0) Dia
.591
005
2
1
C
O
M
(10.8)
.425
0 0 5
(2.0) Typ
.079
(0.8) Typ
.031
(1.1) x (2.0) Typ
.043 x .079
(4.5)
.177
M12 P1
(20.0)
.787
(0.75)
.0295
(10.0)
.394
(3.5)
.138
(15.3)
.602
(32.7)
1.287
(13.0)
.512
006
(15.0) Dia
.591
POS 2
POS 3
POS 1
45°
45°
0 0 6
(2.0) Typ
.079
(0.8) Typ
.031
(1.1) x (2.0) Typ
.043 x .079
(4.5)
.177
M12 P1
(20.0)
.787
(0.75)
.0295
(10.0)
.394
(3.5)
.138
(15.3)
.602
(32.7)
1.287
(13.0)
.512
2
1
C
O
M
(10.8)
.425
8-01

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