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,SolderLugs 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
KNURLEDNUT1.800(45,72)DIA.;
.281(7,14)THICK;PINHOLES
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,RoundKeySecurity
•OptionsforFlatKeys,Special
Keying,andKeyRemovals
SWITCH FEATURES
•High,5AmpCurrentSwitching
•45°,Upto8PolesPerSwitch
•25,000CyclesofOperation
•RoHSCompliant
LOCK SPECIFICATIONS
Keying:Eachlockiskeyeddifferently
Key Removal: Allpositions(45°,etc)
Special Options: Flat key with 90° or 180°
incrementkeyremovals;7thru12decks
.
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: Stainlesssteel;2supplied
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
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
SWITCH SPECIFICATIONS
Electrical Characteristics
Industrial Grade Switch
Switching Current and Life
The load-life values indicate the number of
cyclesofoperationexpectedforthevoltage,
currentandtypeofload.Endoflifeisdened
using the resistance and breakdown failure
criteria listed below.
5Aat 115Vac,resistive
1Aat 6to28Vdc,resistive
2Aat 115Vac,inductive
Cycle of Operation: 360° rotation plus a
360°return
Test Conditions:25°C,68%relativehumidity,
atmospheric pressure
Life Expectancy:
Withloadsabove: 25,000cycles
Without load: 100,000 cycles
Contact Resistance:
Endoflife: lessthan 20 mΩ
Insulation Resistance:
(Between mutually insulated parts)
Initially: 50,000 MΩ
Breakdown Voltage:
(Between mutually insulated parts)
Initially: 1,000 Vac
Endoflife: 500 Vac
Carry Current: 10A; maximum temperature
rise20°C
ORDERING INFORMATION
44 L 45-02-1-08N-F
Series
Style Letter: L
Angle of Throw:45°
Number of Decks: 01 thru 06 (per Choices chart)
Poles per Deck: 1 thru 4 (per Choices chart)
Positions per Pole: 02 thru 08 (per Choices chart)
Type of Contacts:
N = Non-shorting
S = Shorting (per Choices chart)
Stop Arrangement Suffix: (needed only for 1-pole switches
with
maximumpositions)
F=Fixedstopbetweenpositions8and1
*Leaveblankforcontinuousrotation
Available from your local Grayhill Distributor.
For prices and discounts, contact a local
Sales Ofce, an authorized local Distributor or
Grayhill.
Mechanical Characteristics
Switching Mode:
45°,1or2poles:Shortingornon-shorting
45°,3or4poles:Non-shorting
Type of Contact: Wiping contacts
Contact Force: greater than 150g
Number of Terminals:Switchesareprovided
withonlythenumberofterminalsneeded
Stop Strength: greater than 15 in-lbs (1.70
Nm)
Switching Torque: 8-115 in-ozs (28 to 230
mNm), depending on the number of poles,
numberofdecks,andangleofthrow
Additional Characteristics
Switchesof6ormoredeckshavelongerstuds
with extra mounting nuts for recommended
double end mount
Materials and Finishes: Switch
Switch Bases: Melamine per MIL–M–14, 4
Switch Bases:
Industrial Grade: Melamine per MIL–M–14
Military: Diallyl per MIL–M–14
Cover, Deck Separators, End Plate, and
Rotor Mounting Plate: Phenolic per
MIL–M–14
Shaft, Shaft Extension, Stop Arm, Stop
Washers, Rear Support Plate, Cover
Plate, Retaining Ring, Studs, Nuts: Stain-
less steel
Detent Balls: Steel, nickel-plated
Detent Springs: Tinned music wire
Rotor Contact, and Stator (Base) Con-
tacts: Silveralloy
Common Plate, and Common Terminal:
Brass, 300µinch,(7.6µm)silverplate
Base Terminals: Brass, tin plated
Mouser Electronics
Authorized Distributor
Click to View Pricing, Inventory, Delivery & Lifecycle Information:
Grayhill:
44L45-02-1-02N 44L45-02B08N 44L45-01-1-08N 44L45-02-2-02N 44L45-04-1-08N 44L45-02-1-04N 44L45-
03B08N 44L45-01-4-02N 44L45-02-4-02N 44L45-06-1-05N 44L45-03-2-02N 44L45-04-1-02N 44L45-01-1-04N
44L45-01-2-03S 44L45-02-1-03N 44L45-01-1-07N 44L45-03-1-05S 44L45-05-1-04N 44L45-01-1-03N 44L45-06-1-
04N 44L45-03-1-03N 44L45-04B08N 44L45-01B08N 44L45-02-2-04N 44L45-03-1-02N 44L45-01-2-02N 44L45-06-
1-02N 44L45-06B08S 44L45-02-2-03S 44L45-02B08S 44L45-04-1-05N 44L45-02-1-08N 44L45-06B08N 44L45-05-
1-02S 44L45-04-1-03N 44L45-02-2-03N 44L45-04-1-03S 44L45-02-1-08S 44L45-03-2-04S 44L45-01-3-02N 44L45-
01-1-02N 44L45-03-2-03N 44L45-03-2-04N 44L45-01-2-04N 44L45-01-2-03N 44L45-02-1-02S