Datasheet

ManualsBrandsNKK SWITCHES ManualsKey & Rotary SwitchesKey switch 250 Vac 1 A 1 x On/On 1 x 90 ° 1 pc(s)

Series SK

Low & Medium Security Keylocks

www.nkk.com

F10

Indicators

AccessoriesSupplement

Tactiles

KeylocksRotaries

Pushbuttons

Illuminated PB

Slides

Programmable

Touch Tilt

Rockers

Toggles

Electrical Capacity (Resistive Load)

Power Level (silver): 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 for 1 minute minimum;

1,500V AC minimum between contacts & case for 1 minute minimum

Mechanical Life: 30,000 cycles minimum

Electrical Life: 10,000 cycles minimum

Nominal Operating Torque: .026Nm (.234 lb

•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 Temperature Range: –25°C through +70°C (–13°F through +158°F)

Humidity: 90 ~ 95% humidity for 96 hours @ 40°C (104°F)

Vibration: 10 ~ 55Hz with peak-to-peak amplitude of 1.5mm traversing the frequency range & returning

in 1 minute; 3 right angled directions for 2 hours

Shock: 50G (490m/s

) acceleration (tested in 6 right angled directions, with 5 shocks in each direction)

Installation

Mounting Torque: 1.5Nm (13.28 lb

•in) maximum

Soldering Time & Temperature: Manual Soldering: See Proﬁle A in Supplement section.

Standards & Certifications

UL: File No. E44145

All low security models recognized at 3A @ 125V AC or 1A @ 250V AC

& all medium security models recognized at 3A @ 125V AC

Add “/U” to end of part number to order UL mark on switch.

Add “/CUL” to end of part number to order cULus mark on switch.

CSA: File No. 023535_0_000

All low security models certiﬁed at 3A @ 125V AC or 1A @ 250V AC

Add “/C” to end of part number to order CSA mark on switch.

General Speciﬁcations

Summary of content (6 pages)

PAGE 1
Toggles Series SK Low & Medium Security Keylocks Rockers General Specifications Electrical Capacity (Resistive Load) Pushbuttons Power Level (silver): Other Ratings F Materials & Finishes Key: Tumbler Barrel: Housing/Bushing: Rotaries Keylocks Programmable Illuminated PB Contact Resistance: Insulation Resistance: Dielectric Strength: Mechanical Life: Electrical Life: Nominal Operating Torque: Contact Timing: Angle of Throw: Slides Base: Movable Contactor: Stationary Contacts: Terminals:
PAGE 2
Toggles Series SK Rockers Distinctive Characteristics Pushbuttons 12mm diameter bushing for easy panel cutout preparation and high density mounting. Programmable Illuminated PB Epoxy sealed terminals prevent entry of flux and other contaminants. Short behind panel dimension - only 1.063” (27.0mm). High dielectric strength of 1,500 volts between contacts and case. F Rotaries Detent mechanism gives crisp, positive action for accurate switch setting.
PAGE 3
Series SK Toggles Low & Medium Security Keylocks TYPICAL SWITCH ORDERING EXAMPLE 1 Pushbuttons Rockers SK A Programmable Illuminated PB Poles 1 W 01 Lock Mechanisms SPDT Terminals A Low Security D Medium Security (not combinable with code 3D circuit) 01 Pos. 1 Pos. 2 Pos.
PAGE 4
Toggles Series SK Low & Medium Security Keylocks POLES, CIRCUITS & KEY-REMOVABLE POSITIONS Connected Terminals Model Pos 1 Pos 2 Pos 3 Pos 1 SPDT SK12A ON NONE ON COM-1 = Key Removable (Terminal numbers are on switch) Pos 2 Pos 3 Schematic • = Not Removable = Maximum Arc Rockers Key Positions Pole & Throw POS 1 ____ COM-2 COM SK12B ON NONE ON COM-1 ____ COM-2 1 2 3 ON OFF ON COM-1 OPEN COM-2 SPDT SK13E ON OFF ON COM-1 OPEN COM-2 POS 1 COM 1 3 Programmabl
PAGE 5
Series SK Toggles Low & Medium Security Keylocks CONTACT MATERIALS, RATINGS, & TERMINALS Rockers W Silver over Silver Power Level 3A @ 125V AC (4.5) .177 Epoxy Seal (2.0) .079 (1.1) .043 Thk = (0.8) .031 Solder Lug Terminals TYPICAL SWITCH DIMENSIONS Low Security • 90° Angular Throw (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .031 M12 P1 90° POS 3 F (17.0) .669 M (0.5) .020 (2.0) Typ .079 (3.0) .118 (13.2) .520 (14.0) Dia .
PAGE 6
Series SK Toggles Low & Medium Security Keylocks TYPICAL SWITCH DIMENSIONS 90° 005 005 (13.0) .512 (4.5) .177 (32.7) 1.287 Programmable Illuminated PB (10.0) (3.5) .394 .138 (15.3) .602 (15.0) Dia .591 Rockers M (2.0) Typ .079 (10.8) .425 SK12ADW01 (0.75) .0295 (15.0) Dia .591 F CO POS 3 (20.0) .787 M (2.0) Typ .079 (10.0) (3.5) .394 .138 (15.3) .602 (13.0) .512 (32.7) 1.287 (4.5) .177 Rotaries 45° 006 006 (1.1) x (2.0) Typ .043 x .079 (0.8) Typ .