PUSHBUTTON SWITCHES
3
These general purpose ac rated
pushbutton switches offer a wide
variety of configurations, button
styles and termination types.
The7835 and 7836 light duty
seriesare ac only pushbutton
switches. They feature
Slow-make/Slow-break butt type
contacts with a light operating
pressure that isparticularly suited
to instrumentation applications.
SPECIFICATIONS
Ratings:
See selection table.
Circuits:
1PST, 1PDT, 2PDT.
Momentary action.
Contact Material:
3-6A Rated
Movable — Silver plated copper.
Stationary — Silver plated copper.
10-15A Rated
Movable — Silver plated copper
with fine or coin silver contact
facebutton.
Stationary — Copper with fine or
coin silver contact face button.
Terminal Types:
Screw Terminals — Brass.
Furnished unassembled.
8448 Series
#6-32 x 3/16″binding
headscrews (Cat.No.811-2).
8410/8411 Series
#5-40x3/16″
(Cat.No.811-7206).
8406/8440 Series
#5-40 x 5/32″screws
(Cat.No.11-26).
Solder Lug — Brass silver plated.
3.2
General Purpose Pushbutton Switches — AC Rated
AC RATED PUSHBUTTON SWITCHES SELECTION TABLE(BOLDFACE TYPE INDICATES ITEMS NORMALLY IN DISTRIBUTOR STOCK)
Type Rating Poles
and
Throw Contacts Typical
Maximum
Operating
Force
1 P.S.T. NC A Nylon Black 11.50 .453″ 0.7 lbs.W — Flush — 8410K1 — —
1 P.S.T. NC A Nylon Black 11.89 .468″ 0.7 lbs.W — Flush — 8406K1 — —
1 P.S.T. NC A Nylon White 9.53 .375″ — — Snap-In — — 8423K1 Q —
1 P.S.T. NO A Nylon White 9.53 .375″ — — Snap-In — — 8424K1 Q —
1 P.S.T. NC ANylon Black 6.35 .250″ 1.5 lbs. W 6.35 .250″ 8411K5 — — —
1 P.S.T. NO Nylon Red 6.35 .250″ 1.5 lbs. E 6.35 .250″ — — 8411K13Q —
1 P.S.T. NC ANylon Black 10.31 .406″ 1.5 lbs. W11.89 .468″ 8411K8 8411K7 8411K10 —
1 P.S.T. NO Nylon Black 9.53 .375″ 1.5 lbs. E11.89 .468″ — 8411K12 8411K11Q —
1 P.S.T. NC ANylon Black 6.35 .250″ 1.5 lbs. 6.35 .250″ — — 8418K1 Q —
1 P.S.T. NO Nylon Black 10.31 .406″ 1.5 lbs. 11.89 .468″ — — 8418K12 Q —
1 P.S.T. NO A Metal — 7.52 .296″ 2.5 lbs. 11.89 .468″ 8440K2 8440K3 — —
Metal — 7.92 .312″ — 14.27 .562″ 7835K11A — — 7835K12A
Nylon Black — — — 14.27 .562″ 7835K11C — — —
1 P.S.T. NC A (Snap-On)
Nylon Red — — — 14.27 .562″ 7835K11D — — —
(Snap-On)
Metal — 7.92 .312″ — 14.27 .562″ 7836K11A 7836K13A — 7836K12A
Nylon Black — — — 14.27 .562″ 7836K11C ———
1 P.S.T. NO A (Snap-On)
Nylon Red — — — 14.27 .562″ 7836K11D ———
(Snap-On)
— 13.49 .531″ 17.45 .687″ — 8444K3 8444K2 —
1 P.S.T. NO A Metal — 6.35 .250″0.9 lbs. 8.71 .343″ — 8444K4 — —
1 P.D.T.NO,NC B Metal — 13.49 .531″ 2.0 lbs. 17.45 .687″ — 8434K2 8434K1 —
Bakelite Black 13.49 .531″ 17.45 .687″ — 8435K2 8435K1 —
2 P.S.T. NO C Metal — 6.35 .250″ — 8.71 .343″ — 8448K2R 8448K1 R —
BUTTON
Construction Color Button Extension
Dimension “B”
mm inches
CATALOG NUMBER
Solder Screw Spade Wire
Lugs Terminals Terminals Leads T
(.250″)
QCombination spade and solder lug terminal.
WTo change operating pressure, refer to your local Eaton Sales Representative.
EOperating pressure cannot be changed.
RUL and CSA listings not applicable.
TStandard length is 152.40mm (6″), stripped 15.88mm (.625″).
CIRCUIT
NUMBER
SEE
PAGE4.28
Flush Mounted
Light Duty
Momentary
Contact
Snap-In
Mounted
Light Duty
Momentary
Contact
One Hole
Mounted
Light Duty
Momentary
Contact
One Hole
Mounted
Medium Duty
Momentary
Contact
3/4A, 125V ac/dc
1/4A, 250V ac/dc
3/4A, 125V ac/dc
1/4A, 250V ac/dc
3/4A, 125V ac/dc
1/4A, 250V ac/dc
3A, 125V ac
5A, 12V dc QR
3A, 125V ac
3A, 125V ac
1A, 250V ac
1/10 Hp, 125V ac
15A, 125V ac
10A, 250V ac
1/3 Hp,125-250Vac
15A, 125V ac
10A, 250V ac
15A, 125V ac, NO
10A, 125V ac, NC
10A, 250V ac, NO
5A, 250V ac, NC
1/2 Hp, 250V ac
1/4 Hp, 125V ac
Mounting or
Bushing Length
Dimension “A”
mm inches
NON-ILLUMINATED NON-ILLUMINATED
59-01 Push Buttons Section 3 1/28/99 4:16 PM Page 3.2
8411K7
3
Wire Leads — 18 gauge,
152mm (6″) long, skinned
19mm (.750″).Lengths
beyond 152mm (6″) are
additional charge.
Mounting Means:
One hole mount.
Threaded Bushing — 11.90mm
(.468″dia. 32 threads /inch).
Keyway — 1.73 x 0.89mm
(.068 wide x .035″deep);
provides anti-rotation feature.
3.3
8423K1/8424K1
8440K3
8435K2
Keyway on 7835/7836Series
is 2.03 wide x 1.01mm deep
(.080widex.040″deep).
Hardware supplied —
Onehexagon locknut
(Cat.No.15-192)and one
bright nickel plated knurled
facenut (Cat. No. 15-124F1).
8411/8418 Series has a bright
nickel plated hexagon facenut
(Cat. No. 15-966-2).
Allhardware is
furnishedunassembled.
Other mountingtypes are
flush, nestandsnap-in.
Operating
TemperatureRange:
-17.8°C to +65.6°C
(0°F to +150°F).
Approvals Q:
UL Recognized.
CSA Certified.
QExcept where noted.
7.92
(.312)
8.71
(.343) Keyway 2.03 -2.16 W. x 1.02 -1.19 D.
7.92
(.312)
20.62
(.812) 152.40
(6.000) 14.27
(.562)
11.89 -32 T.P.I.
(.469)
14.27
(.562)
12.29
(.484) 15.88
(.625)
(.080 -.085) (.040 -.047)
7835K12A
16.51 (.650) Dia.
28.57 (1.120)
38.10
(1.500) 47.50
(1.870)
25.40 (1.000)
7.37
(.290)
Dia.
Button
3.81 (.150)
Mounting Holes
B
8410
6.35
(.250)
26.92 (1.06) Dia.
21.34
(.840)
47.50
(1.87)
34.80
(1.37)
29.97
(1.18)
3.81 (.150)
2 Holes 19.81
(.780)
1.52
(.060)
7.87
(.310)
25.40
(1.000)
6.35 (.250)
B
Spade Terminal Screw Type Terminal
8406
DIMENSIONSAPPROXIMATE IN MM (INCHES)
Dimensions continue on page 3.4.
59-01 Push Buttons Section 3 1/28/99 4:16 PM Page 3.3
General Purpose AC Rated Pushbutton Switches (continued)
PUSHBUTTON SWITCHES
3
3.4
6.10
(.240)
8.64
(.340)
18.80
(.740)
Dia. Max.
24.13
(.950)
34.29
(1.35)
9.40 (.370)
7.62
(.300)
21.59 (.850)
Dia.
21.59 (.850)
Dia.
Note: Use 19.81 (.780)
Dia. Hole on
1.52 (.060) thick panel
8423 AND 8424
1.52 (.060)
6.60
(.260)
Stroke
31.75
(1.25)
16.51 (.650)
17.02 (.670)
27.18 (1.07)
25.65 (1.01)
7.87 (.310) Dia.
11.68 (.460) Dia.
49.53 (1.950)
46.74 (1.840)
11.68 (.460)
B
0.76 (.032) 8.64 (.340)
53.09
(2.09)
B
2 - #5/40 Binding
Head Screw
#5/40 x 4.57 (.188)
Large Binding
Head Screw
Screw Type Terminals
2.29
(.090)
1.02 (.040)
4.57 (.180)
1.78
(.070)
8411K7, K8, K11 AND K12
31.75
(1.25)
1.52 (.060)
6.35
(.250)
5.84
(.230)
Stroke
16.51 (.650)
17.02 (.670)
27.94 (1.10)
26.92 (1.06)
7.87
(.310)
11.68 (.460)
Dia.
40.89 (1.61)
38.10 (1.50)
2.29
(.090)
Dia. 2
Holes
8411K5 AND 8411K13
7.87
(.310)
Dia.
53.85
(2.120)
32.26 (.127)
17.02 (.670) Dia.
0.76
(.030)
9.40 (.370)
Extension
11.68
(.460)
8.64 (.340)
Stroke 1.02 (.040) Max.
Pre-travel to
break circuit
8.64
(.340) 6.35 (.025)
11.91(.469) Dia. -32
threads. per inch
14.22
(.056)
Hex
8411K10 AND 8418K12
44.45
(.175)
32.26
(1.270)
17.02 (.670) Dia.
0.76
(.030)
5.59 (.220) Stroke
& extension
1.02 (.040) Max. pre-travel to break circuit
8.64
(.340) 6.35 (.250)
11.91 (.469) Dia.
-32 threads
per in.
14.22
(.560)
Hex
7.87 (.310) Dia.
B
8418K1
DIMENSIONS APPROXIMATE IN MM (INCHES)
59-01 Push Buttons Section 3 1/28/99 4:16 PM Page 3.4
3.5
15.75
(.620)
11.68 (.460) Dia.
5.84 (.230) Dia.
11.68
(.460)
7.37
(.290)
17.27
(.068)
0.76 (.030)
to 1.78 (.070)
Pretravel
#15-32 Threads
0.76 (.030)
Button
Depressed
8440
15.75
(.620)
24.64
(.970)
0.76 (.030) Ref
30.73 (1.210) 3 - #6-32 X 3/16 LG.
Binding head screw
1.02 (.040)
1.78 (.070)
Keyway
2.54(.100)
7.62
(.300)
17.78 (.700)
13.21
(.520)
Stroke
1.02
(.040)
5.95
(.230)
11.68
(.460)
Dia.
8434K2 AND 8435K2
11.91 (.469) Dia. - 32
thds. per in.
11.68 (.460) Dia.
1.02 (.040)
1.78 (.070)
Keyway
19.05 (.750)
33.53 (1.320)
7.62
(.300)
Dia.
2.29 (.090) Button travel
to make contact
6.35 (.250) Stroke
26.92
(1.060)
19.30
(.760)
8.64
(.340)
8448K2
19.05 (.750)
30.48 (1.200)
6.35 (.250) Stroke
11.91 (.469) Dia. -32
threads per inch
8.64
(.340)
2.29 (.090) Button travel
to make contact
33.27 (1.310)
1.02 (.040)
1.78 (.070)
Keyway
7.62
(.300)
Dia.
11.68 (.460) Dia.
8448K1
15.75
(.620)
BA
23.88
(.940)
30.99
(1.210) 6.60
(.260)
2.29 (.090) Button
travel to make contact
1.02 (.040)
1.78 (.070)
Keyway
11.91 (.469) Dia. -32
thrds. per in.
8442 AND 8444 (SCREW TERMINALS)
3
59-01 Push Buttons Section 3 1/28/99 4:16 PM Page 3.5
