
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Keylock Rotary Switches
Note: Switch/key positions are not
aligned with terminal positions.
No. of decks 1 2 3 4 5 6
Dim. A (In.) 1.556 1.902 2.248 2.594 2.940 3.536
Dim. B (in.) .062 .062 .062 .062 .062 .312
Dim. A (mm) 39,52 48,31 57,10 65,89 74,68 89,81
Dim. B (mm) 1,57 1,57 1,57 1,57 1,57 7,92
1 2 3 4 5 6
123 120 127 144 151 158
No. of Decks
Approx. Weight
in Grams
RECOMMENDED PANEL CUT
L Standard,SolderLugs 45°
Series 44 Switches
Style Description
CHOICES AND LIMITATIONS
SERIES 44L
High Current, 5 Amp
DIMENSIONS in inches (and millimeters)
Grayhill part number and date code marked on label.
Customer part number marked on request.
1.575 – .015
(40,0 – 0,38)
DIA.
B
C
D
E
F
G
H
1.332 – .002
(33,83 – 0,05)
ACROSS FLATS
SWITCH POSITION 1
(KEY REMOVAL A)
LOCK
SWITCH
DIM. A
.283 – .062
(7,19 – 1,57)
DIM. B
1-3/8-32
UNS-2A
THREAD
KNURLEDNUT1.800(45,72)DIA.;
.281(7,14)THICK;PINHOLES
90¡ APART
† 1.950 (49,53) DIA.
LOCKWASHER
1
2
3
4
5
6
7
8
1.170 – .015
(29,72 – 0,38)
OVER TERMINALS
45
15
HOLE DIA.
≥ .064 (1,63)
AFTER
PLATING
.522 – .020
(13,26 – 0,51)
1.335 + .010 – .000
(33,91 + 0,25 – 0,00)
1.375 + .015 – .000
(34,93 + 0,38 – 0,00)
LOCK FEATURES
•8-Pin,RoundKeySecurity
•OptionsforFlatKeys,Special
Keying,andKeyRemovals
SWITCH FEATURES
•High,5AmpCurrentSwitching
•45°,Upto8PolesPerSwitch
•25,000CyclesofOperation
•RoHSCompliant
LOCK SPECIFICATIONS
Keying:Eachlockiskeyeddifferently
Key Removal: Allpositions(45°,etc)
Special Options: Flat key with 90° or 180°
incrementkeyremovals;7thru12decks
.
LOCK MATERIALS AND FINISHES
Bushing and Knurled Spanner Nut: Alumi-
num, black anodized
Keying Washer, Cover Support Plate, Shaft
Extension: 302 Stainless steel
Internal and External Lockwashers: Brass,
tin/zinc-plated or stainless steel.
Keys, Cylindrical: Stainlesssteel;2supplied
Angle of No. Of Poles/ Positions Shorting or
Throw Decks Deck Per Pole Non-Shrtg.
01 to 06 1 02 to 08 N or S
01 to 03 2 02 to 04 N or S
01 or 02 3 01 or 02 N
01 or 02 4 01 or 02 N