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Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois
60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
Pushbutton
Switches
Butt Contact Pushbutton Switches
A
1.091
(27,71)
REF.
.437
.010
(11,10
0,25)
ACROSS FLATS OF HEX
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
A = .209
.015
(5,31
0,38)
B = .250
.010
(6,35
0,25)
C = .410 .015
(10,41
0,38)
D = .222
.020
(5,64
0,51)
E = .187 .010
(4,75
0,25)
F = .100
.010
(2.54
0,25)
F
T
SNAP ON CAP
E
.375 .010 DIA.
(9,53
0,25)
T = 1/4-32
UNEF-2A
THREAD
O = O RING
O
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
.015 (0,38)
.186 REF.
(4.7)
Normally Open–SPST With
Sealed Bushing and Button
30-251*
Normally Closed–SPST With
Sealed Bushing and Button
30-252*
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
1 Amp
1/2 Amp
250,000
Actuating
Force (oz.)
Momentary
30 ± 8
*Complete
Part
Number
Mtg.
Hole
Total
Travel
Action
Button
Color
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Actuating
Force (oz.)
Momentary
12 ± 4
*Complete
Part
Number
30-2
30-2UL
30-6
30-6UL
Normally Closed–SPST and UL Recognized
Normally Closed–SPST
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-2
Black
30-6
Red
Part
Number
Operations
at Rated
Load
Rating at
115 Vac
Resistive
Rating at
220 Vac
Resistive
Momentary
8 ± 4
UL Recognized
Mtg.
Hole
Total
Travel
Action
Actuating
Force (oz.)
Button
Color
30-2UL
Black
30-6UL
Red
Part
Number
Operations
at Rated
Load
Rating at
120 Vac
Resistive
Rating at
220 Vac
Resistive
5 Amp
—–
6,000
Momentary
8 ± 4
DIMENSIONS In Inches (and millimeters)
1 Amp
1/2 Amp
1,000,000
.065 + .010/ - .015
17/64"
(1,65 + 0,25/ - 0,38)
(6,75)
.065 + .010/ - .015
17/64"
(1,65 + 0,25/ - 0,38)
(6,75)
30-251 RED
Red
30-251 BLK
Black
.062 ± .020
17/64"
(1,57 ± 0,51)
(6,75)
30-252 RED
Red
30-252 BLK
Black
.065 ± .010
17/64"
(1,65 ± 0,25)
(6,75)
1 Amp
1/2 Amp
250,000
.162
.005
(4,11
0,13) DIA.
A
1.005
(25,53)
REF.
1/4-32 UNEF-2A
THREAD
.375
.005
(9,53
0,13)
.230 REF.
(5.8)
D
C
B
A = .150
.015
(3,81
0,38)
B = .250
.010
(6,35
0,25)
C = .375
.015
(9,53
0,38)
D = .230
.020
(5,84
0,51)
HEX MOUNTING NUT
.375 (9,53) ACROSS FLATS
.109 (2,77) THICK
LABEL*
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
A
1.104
(28,04)
REF.
T = 1/4-32
UNEF-2A
THREAD
O = O RING
.437
.010
(11,10
0,25)
ACROSS FLATS OF HEX.
.505 (12,83) REF.
ACROSS CORNERS
D
C
B
O
A = .209
.015
(5,31
0,38)
B = .250
.010
(6,35
0,25)
C = .415
.015
(10,54
0,38)
D = .230
.015
(5,84
0,38)
E = .187 .010
(4,75
0,25)
F = .100
.010
(2.54
0,25)
F
T
SNAP ON CAP
E
.375
.010 DIA.
(9,53
0,25)
HEX MTG NUT
.312 (7,92)
ACROSS FLATS
.062 (1,57)
THICK
LABEL*
.230 REF.
(5.8)
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
Pushbutton
44