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BY21AFSCWCNB22

Description
KEY SWITCH,STRAIGHT,3,WIRE TERMINAL,KEYLOCK
CategoryMechanical and electronic products    switch   
File Size581KB,5 Pages
ManufacturerC&K Components
Environmental Compliance
Download Datasheet Parametric View All

BY21AFSCWCNB22 Overview

KEY SWITCH,STRAIGHT,3,WIRE TERMINAL,KEYLOCK

BY21AFSCWCNB22 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid304204042
Reach Compliance Codecompliant
ECCN codeEAR99
Actuator typeKEYLOCK
body height27.7622 mm
Body length or diameter25.9842 mm
center contact materialCOPPER ALLOY
Center contact platingGOLD OVER NICKEL
Contact (AC) maximum rated power R load0.4VA@20VAC
Contact resistance0.01 mΩ
Dielectric withstand voltage1000VRMS V
Electrical life10000 Cycle(s)
End contact materialCOPPER ALLOY
End contact platingGOLD OVER NICKEL
Shell materialGLASS FILLED POLYESTER
Graduation angle45 deg
Insulation resistance1000000000 Ω
JESD-609 codee4
Installation featuresPANEL MOUNT
Number of positions3
surface mountNO
Switch typeKEYLOCK SWITCH
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
Terminal length6 inch
Terminal materialCOPPER ALLOY
Termination typeWIRE
BY Series
4 Tumbler Value Added Security Switchlocks
Features/Benefits
Anti-static switch
Removable lock core
Latch pawl option
Snap-together assembly
Typical Applications
Computers
Point-of-sale terminals
Postal equipment
Models Available
Specifications
CONTACT RATING: Q contact material: 4 AMPS @ 125 V AC or
28 V DC; 2 AMPS @ 250 V AC (UL/CSA). Low level models
with gold plating available. See page M-26 for additional ratings.
ELECTRICAL LIFE: 10,000 make-and-break cycles at full load.
CONTACT RESISTANCE: Below 10 m
typ. initial @ 2-4 V DC, 1
00 mA,for both silver and gold plated contacts.
INSULATION RESISTANCE: 109
min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
INDEXING: 45º or 90º, 2-3 positions. Other functions available,
consult Customer Service Center.
STATIC RESISTANCE: Anti-static models exceed 20 KV DC static
resistance @ sea level, lock body to terminals.
NOTE:
Any models supplied with Q, B or G contact material are RoHS compliant.
NOTE:
Specifications and materials listed above are for switchlocks with standard options.
For information on specific and custom switchlocks, consult Customer Service Center.
Materials
LOCK: 4 tumbler lock with positive detent. Shell-zinc alloy;
Core-ABS plastic, black, std.; Facing-ABS plastic, black.
KEYS: Two nickel plated brass keys with code number. Plastic key
cover, black.
SWITCH HOUSING: Glass filled polyester (UL 94V-0).
CONTACTS & TERMINALS: Q contact material: Copper, silver plated.
See page M-26 for additional contact materials.
MOUNTING NUT: Zinc alloy.
MOUNTING CLIP: Steel, zinc plated.
TERMINAL SEAL: Epoxy.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown and
described on pages M–23 through M–26. For additional options not shown in catalog, consult Customer Service Center.
Switch and Lock Function
BY011U
SP, 90º, Index, keypull pos. 1 & 2
BY211U
DP, 90º Index, keypull pos. 1 & 2
BY01AF
SP, 45° Index, keypull pos. 1, 2 & 3
BY21AF
DP, 45° Index, keypull pos. 1, 2 & 3
M
Switchlock
Keying
J
One plastic round head key
and one nickel plated key
2
Two nickel plated keys
Lock Type
C
4 Tumbler lock with detent
Terminations
03
Solder lug
with hole
WC
Wire lead
Mounting Style
N
With nut
D
With clip
L
With latch pawl
and nut
M
With latch pawl
and clip
Contact Material
Q
Silver
B
Gold
G
Gold over silver
Lock Color
2
Black
Key Color
2
Black
NONE
Nickel plated brass
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
M–22
www.ck-components.com
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