![](http://datasheet.mmic.net.cn/50000/71MA30-02-6-02N_datasheet_1838134/71MA30-02-6-02N_6.png)
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
No. of
Dimension
Decks
A
B
1
0.795 (20,19)
0.031 (0,79)
2
1.040 (26,42)
0.053 (1,35)
3
1.285 (32,64)
0.076 (1,93)
4
1.530 (38,86)
0.098 (2,49)
5
1.775 (45,09)
0.120 (3,05)
DIMENSIONS: Standard and Military In inches (and millimeters)
Shaft flat is opposite point of contact for pole
number one. Shaft is shown here in position 1.
Rear View
Style BT
Grayhill part number and date code marked on detent cover label. Customer part number marked on request.
CIRCUIT DIAGRAMS
Circuit is Viewed From Shaft End
and Shown in Position No. 1
TWO POLE
ONE POLE
STYLE 71BT: PC Board Pattern
Including Integral Front Plate
Standoffs
36° Angle of Throw
.037 ± .005
(0,94 ± 0,13)
.075 ± .005
(1,91 ± 0,13) TYP.
.368 ± .005
(9,35 ± 0,13)
.125 ± .010
(3,18 ± 0,25)
.156 ± .010
(3,96 ± 0,25)
C
L
C
L
110
10 9 8 765 43 2 1
C1
OF BUSHING
KEYWAY OR
FLATS
C
L
10 9 8 765 43 2 1
C1
C2
C
L
.110 (2,79) 5 PLS.
OF COMMON
TERMINAL
OF
STAND-
OFFS
POLE
NO. 1
.220 (5,59)
.440 (11,18)
.300 (7,62)
.0375
(0,95)
.075 (1,91)
9 PLS.
C
L OF
SWITCH
.029 (0,74) MIN.
HOLE 33 PLS.
.250
(6,35)
.428
(10,87)
.500
(12,7)
.036 (0,91)
MIN. HOLE
2 PLS.
C
L
C
L
SHAFT
END
OF
SWITCH
SERIES 71
.5-.75" Diameter, 1/4 Amp,
Process Sealed
.725 ± .015
(18,42 ± 0,38)
.687 ± .015
(17,45 ± 0,38)
.310 ± .010
(7,87 ± 0,25)
.219 ± .004
(5,56 ± 0,10)
COMMON TERMINAL
TERMINAL NO. 1
.030 ± .002
(0,76 ± 0,05)
TYP.
.020 ± .003
(0,51 ± 0,08)
TYP.
.250 + .001
–.002 DIA.
(6,36 + 0,25
–0,05)
.275 ± .020
(6,99 ± 0,51)
.250 ± .020
(6,35 ± 0,51)
.375 ± .020
(9,53 ± 0,51)
DIM. A
± .046(1,17)
DIM. B
REF.
.562 ± .015
(14,27 ± 0,38)
.100 ± .010
(2,5 ± 0,25)
2 PLS.
C
L
C
L
C
L
.015 ± .002
(0,38 ± 0,05)
TYP.
.110 ± .010
(2,79 ± 0,25)
TYP.
.015 ± .002
(0,38 ± 0,05)
.449 ± .008
(11,4 ± 0,20)
3/8-32
UNEF-2A
THREAD
.428 ± .008
(10,87 ± 0,20)
18°
FEATURES
No Hand Soldering Required
Sealed to Resist Intrusion by Flux,
Solder and Cleaning Solutions
.75" Diameter
250 mA for 20,000 Cycles
36°, 1 or 2 Poles, Up to 5 Decks
10 Positions, Continuous Rotation,
or 2-9 Positions With Fixed Stops
Rotary
7