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BY21AF2CWCDG2

Description
KEYLOCK SWITCH, DP3T, LATCHED, 4A, 28VDC, PANEL MOUNT-THREADED, ROHS COMPLIANT
CategoryMechanical and electronic products    switch   
File Size197KB,5 Pages
ManufacturerC&K
Environmental Compliance
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BY21AF2CWCDG2 Overview

KEYLOCK SWITCH, DP3T, LATCHED, 4A, 28VDC, PANEL MOUNT-THREADED, ROHS COMPLIANT

BY21AF2CWCDG2 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerC&K
package instructionROHS COMPLIANT
Reach Compliance Codecompliant
ECCN codeEAR99
body height27.76 mm
Body length or diameter25.98 mm
Contact (AC) maximum rated R load4A@125VAC
Maximum contact current (AC)4 A
Maximum contact current (DC)4 A
Contact (DC) maximum rated R load4A@28VDC
Maximum contact voltage (AC)125 V
Maximum contact voltage (DC)28 V
Electrical life10000 Cycle(s)
Graduation angle45 deg
Manufacturer's serial numberBY
Installation featuresPANEL MOUNT-THREADED
Number of independent keys2
Number of switching segments1
sealEPOXY TERMINAL SEALED
surface mountNO
Switch actionLATCHED
switch functionDP3T
Switch typeKEYLOCK SWITCH
Terminal surfaceGold (Au) - with Silver (Ag) barrier
Termination typeWIRE
Base Number Matches1
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
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