ITT E121SD1ABE Sealed snap-acting momentary pushbutton switch Datasheet

C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
Features/Benefits
• Process sealed with disposable
A
Pushbutton
splashproof boot
• Long life contact design
• Snap-fitting plunger available
• RoHS compliant models available
Typical Applications
• Instrumentation
• Telecommunications and
networking equipment
• Computers and peripherals
Models Available
Specifications
Materials
CONTACT RATING: B contact material (EX25 Models): 0.4 VA max.
CASE & BUSHING: Glass filled nylon 6/6, flame retardant
@ 20 V AC or DC max. G contact material (EX21 Models): 1 AMP
(UL 94V-0).
@120 V AC or 28 V DC or 0.4 VA max. @ 20 V AC or DC max.
PLUNGER: Glass filled nylon or glass filled polyester (PBT)
Note: Break-before-make contacts. Multi-pole contacts
(UL 94V-0).
do not make and break simultaneously. See page A-24 for
SWITCH
SUPPORT: Brass or steel, matte-tin.
additional ratings.
SWITCH SUPPORT RETAINER: Stainless steel.
ELECTRICAL LIFE: 60,000 make-and-break cycles at full load.
CONTACT RESISTANCE: Below 50 mΩ typ. initial @
2–4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109Ω min.
N.O. & N.C. CONTACTS: EX25 MODELS: B contact material: Copper
alloy, with gold plate over nickel plate. EX21 MODELS: G contact
material: Coin silver, with gold plate over nickel plate. See page
A-28 for additional contact materials.
DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
CAP INSTALLATION FORCE: 10 lbs. max. permissible.
COMMON CONTACTS & ALL TERMINALS: Copper alloy, with
gold plate over nickel plate. See page A-24 for additional
contact materials.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
TERMINAL SEAL: Epoxy.
EIA RS-186E method 9 (1 hour steam aging).
DISPOSABLE BOOT: Vinyl splashproof boot supplied standard.
Remove and discard only after soldering and cleaning
processes are complete.
OPERATING TEMPERATURE: –30ºC to 75ºC.
NOTE: Any models supplied with P, R, B or G contact material are RoHS compliant. For
the latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
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 A-20 thru A-26. For additional options not shown in catalog, consult our Customer Service Center.
All models are process sealed to withstand machine soldering temperatures and pressure wash cleaning methods.
Switch Function
E121 SPDT On-Mom. 1 Amp
E221 DPDT On-Mom. 1 Amp
E125 SPDT On-Mom. 0.4VA
E225 DPDT On-Mom. 0.4VA
Plunger
S .282" high
M .331" high, snap-fitting
S1 .332" high
Bushing
D1 Unthreaded
D3 .180" high, unthreaded
Terminations
A
Right angle, PC thru-hole
AV2 Vertical right angle, PC thru-hole
C
PC Thru-hole
A3 Right angle, snap-in, PC thru-hole
AV3 Vertical right angle, snap-in, PC thru-hole
V3 .460" high, V-bracket
V4 .630" high, V-bracket
V6 .460" high, V-bracket
V8 .953" high, V-bracket
V31 .460" high, snap-in V-bracket
V41 .630" high, snap-in V-bracket
V61 .460" high, snap-in V-bracket
Contact Material
B Gold
K Gold, tin-lead
G Gold, matte-tin
P Gold over silver
L Gold over silver, tin-lead
R Gold over silver, matte-tin
Seal
E Epoxy and disposable
splashproof boot
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–19
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
SWITCH FUNCTION
Pushbutton
A
NO.
POLES
SWITCH FUNCTION
POS. 1
POS. 2
CONNECTED TERMINALS
POS. 1
POS. 2
C&K marking this side
C&K marking this side
MODEL
NO.
E121
ON
MOM.
E125
ON
MOM.
SP
1-3
SCHEMATIC
1-2
SPDT
SPDT
Terminal Nos.
For Reference Only
Part number shown: E121SD1CGE
E221
ON
MOM.
E225
ON
MOM.
DP
1-3,4-6
1-2,4-5
DPDT
DPDT
Terminal Nos.
For Reference Only
Part number shown: E221SD1CBE
EX25 models must be ordered with B, K or P contact material.
EX21 models must be ordered with G, L or R contact material.
MOM. = Momentary
E121, E221 models
with all options
when ordered with G, L or R contact material.
PLUNGER
S
S1
.282" HIGH
M
.332" HIGH
.332" HIGH SNAP-FITTING
Not Available with D1 bushing.
NOTE: Caps available for all plunger options, see page A-25.
BUSHING
D1
D3
UNTHREADED
.180" HIGH UNTHREADED
Not available with S1 actuator.
NOTE: Disposable splashproof vinyl over actuator and bushing supplied std., see page A-24.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–24
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
TERMINATIONS
A
PC THRU-HOLE
Pushbutton
C
PC MOUNTING
SPDT and DPDT
A
RIGHT ANGLE, PC THRU-HOLE
E121SD1AGE
SPDT
SECTION A-A
A3
PC MOUNTING
RIGHT ANGLE, SNAP-IN, PC THRU-HOLE
NOTE: Terminal bend radii and lead-in manufacturing option.
A
RIGHT ANGLE, PC THRU-HOLE
E221SD1AGE
DPDT
SECTION A-A
A3
RIGHT ANGLE, SNAP-IN, PC THRU-HOLE
PC MOUNTING
NOTE: Terminal bend radii and lead-in manufacturing option.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–21
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
TERMINATIONS
Pushbutton
A
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE,
.150" PITCH
E121SD1AV2GE
SPDT
SECTION A-A
AV3
VERTICAL RIGHT ANGLE, SNAP-IN, PC THRU-HOLE,
.150" PITCH
PC MOUNTING
NOTE: Terminal bend radii and lead-in manufacturing option.
AV2
VERTICAL RIGHT ANGLE, PC THRU-HOLE,
.150" PITCH
E221SD1AV2GE
DPDT
AV3
SECTION A-A
VERTICAL RIGHT ANGLE, SNAP-IN, PC THRU-HOLE,
.150" PITCH
PC MOUNTING
NOTE: Terminal bend radii and lead-in manufacturing option.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–22
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
TERMINATIONS
A
Pushbutton
V3, V4 VERTICAL MOUNT, V-BRACKET
V31, V41 VERTICAL MOUNT, V-BRACKET, SNAP-IN
PC MOUNTING
Dim 'A'
E121SD3__GE
SPDT
SNAP-IN
OPTION
CODE
DIM ‘A’
V3, V31
.460 (11,68)
V4, V41
.630 (16,00)
V3, V4 VERTICAL MOUNT, V-BRACKET
V31, V41 VERTICAL MOUNT, V-BRACKET, SNAP-IN
PC MOUNTING
E221SD3__GE
DPDT
Dim 'A'
SNAP-IN
OPTION
CODE
DIM ‘A’
V3, V31
.460 (11,68)
V4, V41
.630 (16,00)
V6, V8 VERTICAL MOUNT, V-BRACKET
V61, V81 VERTICAL MOUNT, V-BRACKET, SNAP-IN
.122 DIA.
PC MOUNTING
.192
(4,88)
.060 MAX.
(1,53)
C&K MARKING ON
OPPOSITE SIDE
.180
(4,57)
DIM ’A’
1
C
2
3
NO NC
.030 X .050 TYP.
(0,76) (1,27)
.020 TYP.
(0,51)
.185 TYP.
(4,70)
.185
(4,70)
.050
(1,27)
.250
(6,35)
E121SD3V__GE
SPDT
OPTION
CODE
DIM ‘A’
V6, V61
.460 (11,68)
V8, V81
.953 (24,21)
.360
(9,14)
.750
(19,05)
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–23
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
TERMINATIONS
Pushbutton
A
V6, V8 VERTICAL MOUNT, V-BRACKET
V61, V81 VERTICAL MOUNT, V-BRACKET, SNAP-IN
PC MOUNTING
Dim 'A'
SNAP-IN
E221SD3V6GE
DPDT
OPTION
CODE
DIM ‘A’
V6, V61
.460 (11,68)
V8, V81
.953 (24,21)
CONTACT MATERIAL
OPTION
CODE
B
K
P
G
L
R
RoHS
RoHS
COMPLIANT * COMPATIBLE *
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
CONTACT
MATERIAL
TERMINAL
PLATING
RATINGS
GOLD 1
GOLD 1
TIN-LEAD 4
EX25 MODELS ONLY: 0.4 VA MAX.
LOW LEVEL/DRY CIRCUIT
@ 20 V AC OR DC MAX.
MATTE-TIN 5
GOLD OVER
SILVER 2,3
GOLD 3
TIN-LEAD 4
LOW LEVEL/DRY CIRCUIT OR POWER
EX21 MODELS ONLY: 0.4 VA MAX @ 20 V AC OR
DC MAX. OR 1 AMP @ 120 V AC OR 28 V DC.
MATTE-TIN 5
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications.
NOTE: Any models supplied with P, R, B or G contact material are RoHS compliant. For the
latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
1
CONTACTS & TERMINALS: Copper alloy, with gold plate over nickel plate.
2
N.O. AND N.C. CONTACTS: Coin silver, with gold plate over nickel plate.
3
COMMON CONTACTS & ALL TERMINALS: Copper alloy, with gold plate
over nickel plate.
E121, E221 models
G, R or L contact material.
4
TERMINALS: Copper alloy, with tin-lead alloy over nickel plate.
P, B or K contact material must be ordered with EX25 models.
5
TERMINALS: Copper alloy, with matte-tin alloy over nickel plate.
R, G or L contact material must be ordered with EX21 models.
with all options when ordered with mandatory
SEAL
E
EPOXY SEAL AND DISPOSABLE SPLASHPROOF BOOT
Disposable splashproof boot supplied standard.
Remove and discard boot only after soldering and
cleaning processes are complete.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–24
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
AVAILABLE HARDWARE
Cap
.120
(3,05)
A
Cap
Pushbutton
Cap
.200 DIA.
(5,08 )
.155
(3,94)
PART NO.
PART NO.
PART NO.
708901000 WHITE
708902000 BLACK
708903000 RED
752701000 WHITE
752702000 BLACK
752703000 RED
801801000 WHITE
801802000 BLACK
801803000 RED
Material: Nylon
Finish: Gloss
Material: Nylon
Finish: Gloss
Material: Nylon
Finish: Gloss
Cap, Snap-fitting plunger
Cap, Snap-fitting plunger
Cap
PART NO.
PART NO.
PART NO.
PART NO.
894001000 WHITE
894002000 BLACK
894003000 RED
894101000 WHITE
894102000 BLACK
894103000 RED
484601000 WHITE
484602000 BLACK
484603000 RED
798201000 WHITE
798202263 BLACK
798203000 RED
Material: Nylon
Finish: Gloss
Material: Nylon
Finish: Gloss
Material: Nylon
Finish: Gloss
Material: Nylon
Finish: Matte
NOTE: Other cap colors available, consult Customer Service Center.
Frames snap into panel opening and are independent from switch mounting. Accurate positioning of the PC
mounted switch relative to the panel opening is necessary to provide proper clearance between actuator and
frame. Available in two basic styles and four panel thicknesses .047-.125 in. Material: Nylon. Finish: Matte.
TYPICAL APPLICATION
.047" (1,19) PANEL THK.
.062" (1,57) PANEL THK.
.090" (2,29) PANEL THK.
.125" (3,18) PANEL THK.
PART NO.
PART NO.
PART NO.
PART NO.
432501000
432502263
432503000
432601000
432602263
432603000
432701000
432702263
432703000
432801000
432802263
432803000
WHITE
BLACK
RED
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–25
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C&K E020 Series
Sealed Snap-acting Momentary Pushbutton Switches
AVAILABLE HARDWARE
Pushbutton
A
PANEL INSERTS
Above frames (part nos. 432XXXXXX) are also available with insert which accepts LED for
indicator light assembly. Order insert separately from frame. Blank insert panel (without hole
for LED) also available. LED not included.
PANEL INSERT
WITH HOLE FOR LED
BLANK PANEL INSERT
WITHOUT HOLE FOR LED
PART NO.
PART NO.
894901000
894902000
894903000
476601000
476602000
476603000
WHITE
BLACK
RED
Special colors, custom markings available, consult Customer Service Center.
Third Angle
Projection
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–26
www.ittcannon.com
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