Keylock Rotary Switches
SerieS 44L
high current, 5 Amp
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
DiMeNSioNS
in inches (and millimeters)
DIM. A
SWITCH POSITION 1
(KEY REMOVAL A)
1.575 – .015
(40,0 – 0,38)
B DIA.
.283 – .062
(7,19 – 1,57)
.522 – .020
(13,26 – 0,51)
1-3/8-32
UNS-2A
THREAD
H
45
DIM. B
15
HOLE DIA.
≥
.064 (1,63)
AFTER
PLATING
1
3
G
C
1.170 – .015
(29,72 – 0,38)
OVER TERMINALS
2
8
7
6
F
E
D
1.332 – .002
(33,83 – 0,05)
ACROSS FLATS
LOCK
† 1.950 (49,53) DIA.
LOCKWASHER
SWITCH
KNURLED NUT 1.800 (45,72) DIA.;
.281 (7,14) THICK; PIN HOLES
90¡ APART
Note: Switch/key positions are not
aligned with terminal positions.
No. of decks
Dim. A (in.)
Dim. B (in.)
Dim. A (mm)
Dim. B (mm)
1
1.556
.062
39,52
1,57
2
1.902
.062
48,31
1,57
3
2.248
.062
57,10
1,57
4
2.594
.062
65,89
1,57
5
2.940
.062
74,68
1,57
6
3.536
.312
89,81
7,92
No. of Decks
Approx. weight
in grams
1
123
2
120
3
127
4
144
Grayhill part number and date code marked on label.
Customer part number marked on request.
recoMMeNDeD PANeL cut
1.335 + .010 – .000
(33,91 + 0,25 – 0,00)
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
1.375 + .015 – .000
(34,93 + 0,38 – 0,00)
choiceS AND LiMitAtioNS
Style
Description
Angle of
throw
Series 44 Switches
01 to 06
01 to 03
01 or 02
01 or 02
1
2
3
4
02 to 08
02 to 04
01 or 02
01 or 02
N or S
N or S
N
N
No. of
Decks
Poles/
Deck
Positions
Per Pole
Shorting or
Non-Shrtg.
L
Standard, Solder Lugs
45°
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
5
4
Rotary Switches
5
151
6
158
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 defined
using the resistance and breakdown failure
criteria listed below.
5A at
1A at
2A at
115 Vac, resistive
6 to 28 Vdc, resistive
115 Vac, inductive
Mechanical characteristics
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
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
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
Additional characteristics
Switches of 6 or more decks have longer studs
with extra mounting nuts for recommended
double end mount
Rotary Switches
orDeriNg iNforMAtioN
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
44 L 45-02-1-08N-f
Available from your local grayhill Distributor.
For prices and discounts, contact a local
Sales Office, an authorized local Distributor or
Grayhill.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
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