PUSHBUTTON SWITCHES
SERIES TA/LT
SPECIFICATIONS
R ATING:
0 . 5 A@ 100 VAC, 0.2A@ 250 VAC, 1A@ 25 V D C
CONTACT RESISTANCE:
20 mΩ typical
I N S U L ATION RESISTA N C E :
Adjacent Contacts — 2 x 10
12
Ω
min.
(Dry Condition)
DIELECTRIC STRENGTH:
1,500 V RMS min.
LIFE CYCLE:
100,000 cycles min.
O P E R ATING T E M P E R ATURE RANGE:
-20° to + 70°C
FUNCTIONS AVA I L A B L E :
GR = Interlocking
O A= Momentary
EE = Latching
TA= Standard Operating Force (See Next Page)
LT = Light Touch Operating Force (See Next Page)
S = Shorting (MBB)
N= Non-Shorting (BBM)
TA/LT Series push button switches offer an “ultra-lite”
alternative to design engineers working in a variety of
applications. Available features include:
• Spring loaded, wiping contacts for smooth, silent
actuation stroke and excellent reliability
• Up to 16 poles per module
• Mounting chassis available.
• Interlocked assemblies up to 20 stations
• Optional terminal length
• Snap-on buttons
• Solder lugs on top for hand wiring; PC at bottom for
flow soldering
• Switch plunger with sliding contacts can be removed
from the front without disturbing electrical connections.
• Fixed terminals are epoxied and “staked” in position,
providing an extra seal to help prevent wicking of solder
or flu x .
MATERIALS
HOUSING:
Polycarbonate (UL94-HB) Std.
Valox (UL94-VO)
PLUNGER:
Duracon (UL94-HB) Std.
Valox (UL94-VO)
TERMINALBOARD:
Polycarbonate (UL94-HB) Std.
MOVING CONTA C T S :
Silver plated copper alloy
Gold plate over nickel plated copper alloy
FIXED CONTA C T S :
Copper alloy with silver plate over nickel plate
T E R M I N A LS E A L:
High strength bonding red resin
RELEASE BAR:
Steel / zinc plated
CHASSIS:
Steel / Nickel plated or steel/zinc plated
HOW TO ORDER INDIVIDUAL MODULES
TA
LT
2U
4U
6U
8U
10U
16U
EE=
Latching
OA=
Momentary
A
B
C
E
F
*Retentive
(Snap In)
pins available;
please contact
E-Switch for
Specifications.
AG=
Silver
P=
UL94HB
N=
BBM
AU=
Gold
V=
UL94VO
S=
MBB
1
Blk,
Gry, Wht,
Red Only
2
Blk,
Gry, Wht,
Red, Chr Only
& Gry Only
3
Blk
4
Blk,
Gry, Wht Only
& Red Only
5
Blk
TAA
1
TAB
2
TAC
1
TAD
1
TAE
1
TAG
2
TAK
3
TAL
3
TAM
4
TA12
TA2800
5
.08
.09
.094
Blk
Wht
Gry
Red
Blu
Chr
Blk
Gry
Yel
Blu
Red
Grn
Wht
Example:
TA
10U
118
Phone: 612-504-3525
OA
E
AU
P
S
TA12
Blu
Fax: 612-531-8235
7153 Northland Dr., Brooklyn Park, MN 55428
PUSHBUTTON SWITCHES
SERIES TA/LT
TA2UEE A
MODULE SCHEMATICS
CIRCUIT OPTIONS
2U = DPDT
8U = 8PDT
4U = 4PDT
10U = 10PDT
6U = 6PDT
16U = 16PDT
TRAVEL
T R AV E LTO LOCK
TOLERANCE
4.8
3.3
±0.2MM
TO P
SIDE
TA4UEE A
POLE DIMENSIONS
BOTTOM
Y
2PDT
4PDT
6PDT
8PDT
10PDT
16PDT
Y
42.15
54.15
66.15
78.15
90.15
126.15
OPERATING FORCE OPTIONS
(TA) STANDARD OPERATING FORCE
(LT) LIGHT TOUCH OPERATING FORCE
2PDT≤700 grams
4PDT≤700 grams
6PDT≤1000 grams
8PDT≤1000 grams
10PDT≤1200 grams
16PDT≤1200 grams
2PDT≤250 grams
4PDT≤400 grams
6PDT≤650 grams
TERMINATION OPTIONS
RETENTIVE PIN OPTION
*Retentive (Snap In) pins available;
please contact E-Switch for specifications.
PLATING, MATERIAL & TIMING OPTIONS
PLATING
AG = Silver
AU = Gold
MATERIAL
P = Polycarbonate UL94HB
V = Valox UL94VO
TIMING
N = (BBM) Non-Shorting
S = (MBB) Shorting
Phone: 612-504-3525
Fax: 612-531-8235
www.e-switch.com
info@e-switch.com
119
PIGGYBACK
PUSHBUTTON SWITCHES
SERIES TA/LT
LIGHT TOUCH PIGGYBACK
A020901
A020903
The light touch piggyback is often used
where space is a premium or where 2
vertical push buttons are required.
The top switch mechanism controls the
front terminals. The bottom switch
mechanism controls the back terminals.
HOW TO ORDER
LIGHT TOUCH PIGGYBACK MODULES
To order, simply give model number:
MODEL NUMBER:
A020901
A020903
120
Phone: 612-504-3525
Fax: 612-531-8235
7153 Northland Dr., Brooklyn Park, MN 55428
PUSHBUTTON ASSEMBLIES
SERIES TA/LT
CHASSIS & ASSEMBLY
ASSEMBLY CHASSIS
REFERENCE DIAGRAMS
16P
18
7
5
10P
8P
0.4
6P
THE ABOVE EXAMPLE SHOWS:
• A 4 station TAs w i t c h
• 15mm spacing
• All buttons TAB/RED except station 3
which is TA B / W H T
• First 3 stations are 2 pole switches,
interlocked
• Station 4 is 4 pole momentary switch
• All switches have standard terminal
type A
WHEN ORDERING A S S E M B LY:
(See Next Page For Ordering Procedure)
1. When applicable, state whether
buttons are to be mounted horizontally
or vertically.
2. Please state if buttons are to be
shipped bulk.
3. State requirement for cut mounting
tabs on chassis in exception area.
4. Inquire about non-standard mounting
holes on chassis ends.
3.3
10
4P
2P
0P
3
M3
3
3.3
13
A
B
Tolerance ± .2m m
STANDARD CHASSIS DIMENSIONS (refer to above schematics)
Number of
Stations
‘C’Dim. ‘A’Dim.
10mm ‘B’Dim.
‘C’Dim. ‘A’Dim.
12.5mm ‘B’Dim.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
30
36
40
46
50
56
57.5
63.5
65
71
72.5
78.5
80
86
60
66
70
76
80
86
70
76
80
86
90
96
100
106
110
116
120 130
126 136
140
146
150
156
160 170
166 176
180 190
186 196
200 210
206 216
32.5 45
38.5 51
50
56
82.5 95 107.5 120 132.5 145 157.5 170 182.5 195 207.5 220 232.5 245 257.5
88.5 101 113.5 126 138.5 151 163.5 176 188.5 201 213.5 226 238.5 251 263.5
95
101
110
116
125
131
140
146
155
161
170 185
176 191
200
206
215
221
230 245
236 251
260 275
266 281
290 305
296 311
‘C’Dim. ‘A’Dim.
35
15mm ‘B’Dim.
41
‘C’Dim. ‘A’Dim.
17.5mm ‘B’Dim.
‘C’Dim. ‘A’Dim.
20mm ‘B’Dim.
37.5 55
43.5 61
40
46
60
66
90 107.5 125 142.5 160 177.5 195 212.5 230 247.5 265 282.5 300 317.5 335 352.5
96 113.5 131 148.5 166 183.5 201 218.5 236 253.5 271 288.5 306 323.5 341 358.5
100
106
120
126
140
146
160
166
180
186
200
206
220 240
226 246
260
266
280
286
300 320
306 326
340 360
346 366
380 400
386 406
Phone: 612-504-3525
Fax: 612-531-8235
www.e-switch.com
info@e-switch.com
121
PUSHBUTTON ASSEMBLIES
SERIES TA/LT
HOW TO ORDER SINGLE STATION ASSEMBLIES
1*
*Single Key
Chassis
TA
LT
0003-00
0003-02
0003-03
Desc. (TA 0 0 0 3 - 0 0 )
ID# A O 2 1 2 5 1
Standard
2.38 mm holes (.094)
Desc. (TA 0 0 0 3 - 0 2 )
ID# A 0 2 1 2 7 6
Tapped For 4-40 screws
Desc. (TA 0 0 0 3 - 0 3 )
ID# A 0 2 1 2 5 2
3.18 mm holes (.125)
TAA
1
TAB
2
TAC
1
TAD
1
TAE
1
TAG
2
TAK
3
TAL
3
TAM
4
TA12
TA2800
5
.08
.09
.094
TH100
TH120
TH201
Blk, Wht
Gry, Red
Blu, Chr
2U
4U
6U
8U
10U
16U
EE=
Latching
OA=
Momentary
A
B
C
E
F
AG=
Silver
P=
Standard
N=
BBM
(None)
AU=
Gold
V=
Valox
S=
MBB
SINGLE KEY CHASSIS
Blk, Gry
Yel, Blu
Red, Grn
Wht
Wht, Yel
Orn, Grn
Blu
FRONT
BOTTOM
TA0003-00
HOW TO ORDER MULTISTATION ASSEMBLIES
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
TA
LT
In mm:
10 (.394”)
12.5 (.492”)
15 (.591”)
17.5 (.689”)
20 (.787”)
TAA
1
TAB
2
TAC
1
TAD
1
TAE
1
TAG
2
TAK
3
TAL
3
TAM
4
TA12
TA2800
5
.08
.09
.094
TH100
TH120
TH201
Blk, Wht
Gry, Red
Blu, Chr
2U
4U
6U
8U
10U
16U
EE=
Latching
OA=
Momentary
GR=
Interlocked
A
B
C
E
F
AG=
Silver
P=
Standard
N=
BBM
AU=
Gold
V=
Valox
S=
MBB
See Below
for
Procedure
ASSEMBLY CHASSIS
Blk, Gry
Yel, Blu
Red, Grn
Wht
Wht, Yel
Orn, Grn
Blu
1
Blk,
Gry, Wht,
Red Only
Exceptions to Part Number:
List By Chassis Station #
examples: Station4=4UOA
Station3=TAB/Wht
O R I E N TATION: PC pins down, plungers
f o rward– station No. 1 on left.
2
Blk,
Gry, Wht,
Red, Chr Only
& Gry Only
3
Blk
4
Blk,
Gry, Wht Only
& Red Only
5
Blk
Example:
12x
122
TA
15
(TAB/Red)
Fax: 612-531-8235
2U
EE
A
AG
P
N
Phone: 612-504-3525
7153 Northland Dr., Brooklyn Park, MN 55428
Microcontroller MCU
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