Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Multi-Deck Rotary Switches
These switches have no bushing keyway.
Equivalent Styles
For style 42A36, use 42D36,
For style 44A30, use 44D30
For style 42M36, use 42D36 initially
ADJUSTABLE STOP SWITCHES: Series 42 and 44
Front Views
Switch is Viewed From Shaft End
and Shown in Position No. 1
PC BOARD MOUNTING PATTERN
Termination
CIRCUIT DIAGRAM: PC Mount
Standard Style
DIMENSIONS
C
L
1.000 ± .010
(25,4 ± 0,25)
DIA.
TERMINAL DIMENSIONS AT THIS
POINT ARE .050 ± .005 (1,27 ± 0,13)
WIDE BY .020 ± .003 (0,51 ± 0,08) THICK
.375 ± .015
(9,53 ± 0,38) TYP.
.750 ± .010
(19,05 ± 0,25)
TYP.
OF BUSHING
KEYWAY
C
L
.250 + .001 –.002
(6,35 + 0,03 –0,05)
DIA.
3/8-32 UNEF-2A THREAD
(MTG. HOLE=3/8 DIA. MIN.)
BUSHING KEYWAY
.066 ± .002 (1,68 ± 0,05) WIDE BY
.036 ± .003 (0,91 ± 0,08) DEEP
FROM A .375 (9,53) DIA.
INTEGRAL ASSEMBLY NUT,
DO NOT REMOVE
COMMON LUG
.250 ± .020
(6,35 ± 0,51)
.830
± .010
(21,08
± 0,25)
DIM. A + .046 – .020
(+1,17 –0,00)
.437 ± .020
(11,10 ± 0,51)
.600 ± .031
(15,24 ± 0,79)
DIM. B REF.
STUD
PROJECTION
#1 THREAD
.174
± .010
(4,42
± 0,25)
C
L
C
L
C
L
.174 ± .010
(4,42 ± 0,25)
.786 ± .010
(19,96 ± 0,25)
DIA.
.500 ± .015
(12,7 ± 0,38)
TYP.
1.470 ± .020
(37,34 ± 0,51)
TYP.
.735 ± .010
(18,67 ± 0,25) TYP.
.187 ± .015
(4,75 ± 0,38) TYP.
.250 ± .015
(6,35 ± 0,38) TYP.
1
10
6
5
4
3
2
9
8
7
GRAYHILL
.219
± .005
(5,56
± 0,13)
SERIES 42
1" Diameter, 1 Amp, PC Mount
C
L
C
L
C
L
C
L
SHAFT AND PANEL SEAL: Srs. 42 & 44
Standard Style
FEATURES
For style 44M30, use 44D30 initially
For style 42U36, use 42UD36
For style 44U30, use 44UD30
