
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Single Deck Rotary Switches
.203 ± .003
(5,16 ± 0,08)
ACROSS
FLATS
DIMENSION
D
A
POS. 1
OPTIONAL
PANEL SEAL
GASKET
.093 ± .005
(2,36 ± 0,13)
.171 ± .015
(4,34 ± 0,38)
.125 (3,18)
REF.
TERMINALS ARE
.016 ± .003 (0,41 ± 0,08) SQ.
TERMINAL SEALANT
IN STYLE T
COMMON Ø .025 ± .002
(0,64 ± 0,06) AND EXTEND
TO SAME PLANE AS
POSITION TERMINALS
.125 ± .015
(3,18 ± 0,38)
.020 ± .003
(0,51 ± 0,08)
.020 ± .004
(0,51 ± 0,10)
.062 ± .003
(1,57 ± 0,08)
.171 ± .015
(4,34 ± 0,38)
Ø .025 ± .002
(0,64 ± 0,05)
GRAYHILL
91012
+.001- .002
Ø.125
.375±.015
(9,53±0,38)
.250±.015
(6,35±0,38)
DIMENSION "B"
.125±.015
(3,18±0,38)
1/4-28 UNF-2A
THREAD
.250±.015
(6,35±0,38)
TERMINAL
SEALANT
IN STYLE "T"
(3,18 + 0,03 -0,05)
.064 ± .005
(1,63 ± 0,13)
.020 ± .004
(0,51 ± 0,10)
.062 ± .004
(1,57 ± 0,10)
.032 ± .004
(0,81 ± 0,10)
.064 ± .005
(1,63 ± 0,13)
.016 ± .004
(0,41 ± 0,10)
.046 ± .004
(1,17 ± 0,10)
.021 ± .004
(0,53 ± 0,10)
GRAYHILL
91012
Ø.125 + .001 - .002
(3,18 + 0,03 - 0,05)
.375±.015
(9,53±0,38)
.250±.015
(6,35±0,38)
1/4-28 UNF-2A
THREAD
.250±.015
(6,35±0,38)
TERMINAL
SEALANT
IN STYLE "T"
.658±.015
(16,71±0,38)
.153±.015
(3,89±0,38)
.234±.015
(5,94±0,38)
Solder Lug Style
PC Mount Style
Front view same as
PC Mount style.
DIMENSIONS in inches (and millimeters)
SERIES 50 SERIES 51
0.5" Diameter, 200mA,
.698" Behind Panel
FEATURES
•OptionalCompleteSealfor
PC Board Assembly and Cleaning
•Small1/2"Diameter
•Choiceof22.5°,30°,36°,45°,60°
and 90° Angles of Throw
•Upto4Poleson1Deck
•Upto16PositionsPerSwitch
•PCorSolderLugTermination
•PositiveShaftGroundingfor
EMI/RFI Shielding
Angle of Angle Angle of Angle
Throw A Throw A
22.5° 101.25° 45° 112.5°
30° 105° 60° 120°
36° 108° 90° 135°
D
B
Dimension Style T All Others All 22.5°
.576 ± .015 .537 ± .015 .537 ± .015
(14,63 ± 0,38) (13,64 ± 0,38) (13,64 ± 0,38)
Dimension Series 50 Series 51
.500 ± .015 .562 ± .015
(12,70 ± 0,38) (14,27 ± 0,38)
Side View
All others as shown at left
Grayhill part number and date code
marked on label. Customer part
number marked on request. Military
part number marked when required.
PC TERMINAL DETAIL
All angles of throw, except 22.5°
PC COMMON DETAIL
All angles of throw, except 22.5°
SOLDER LUG TERMINAL DETAIL
All angles of throw, except 22.5°
SOLDER LUG TERMINAL DETAIL 22.5°