Single Deck Rotary Switches
SERIES 19
2” Diameter, 15 Amp
FEATURES
• UL Recognized
• Rugged Construction
• Choice of Termination
DIMENSIONS
In inches (and millimeters)
Solder Lug Terminals
BUSHING KEYWAY
.066 ± .003 WIDE
(1,68 ± 0,08)
.036 ± .005 DEEP
(0,91 ± 0,13)
.344 ± .010
(8,74 ± 0,25)
1.687
± .030
(42,85
± 0,76)
DIA.
HEX MTG NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25)
THICK
3/8-32 UNEF-2A THREAD
‘Faston’ Terminals
All dimensions not shown are the same as
the Solder Lug Terminals.
Non-Turn Washer Detail
.625 ± .010
(15,88 ± 0,25)
DIA.
.88
(22,4)
2.00
(50,8)
.025 ± .002
(0,64 ± 0,05)
.250 ± .005
(6,35 ± 0,13) DIA.
.500 ± .020
(12,7 ± 0,51)
.375 ± .020
(9,53 ± 0,51)
.219 ± .005
(5,56 ± 0,15)
.950
± .060
(24,13
± 1,52)
1.687
± .030
2.28
.88
(57,91)
(22,4)
(42,85
± 0,76)
DIA.
DIA.
.500 ± .005
(12,7 ± 1,27)
.060 ± .010
(1,52 ± 0,25)
SOLDER TERMINALS
WIRE HOLE .125 (3,18)
FOR AMP .250 SERIES
OR EQUIVALENT
WIRE HOLE .080" (2,03)
.187 ± .003
(4,75 ± 0,08)
.093 + .015/ – .000
(2,36 + 0,38/ – 0,00)
Rotary Switches
Grayhill part number and date code marked on label. Customer part number marked on request.
SPECIFICATIONS
Electrical Rating
Rated:
UL Recognition: File Number E35289
15 Amps, 120 Vac, non-inductive load.
One Amp, 120 Vdc, non-inductive load.
Additional Grayhill Rating:
7.5 Amps, 220 Vac,
non-inductive load.
This rating is based on the following criteria:
Overload—50 operations at 125% rated ac load
and 150% rated DC load.
Endurance—6000 operations at rated load
with 900 Vac dielectric strength before and
after test.
Temperature Rise—Not to exceed 30°C when
carrying rated ac load after endurance test.
Contacts will carry 20 Amps at 115 volts AC with
30°C maximum temperature rise.
Contact Resistance:
(Measured at 2 Vdc
and approximately 100 mA) for new switch
approximately 10 milliohms.
Insulation Resistance: Approximately 100,000
Mohms. Between mutually insulated parts.
Voltage Breakdown:
Approximately 2500 Vac
between mutually insulated parts.
Mounting Nut:
Brass, tin/zinc-plated or stain-
less steel.
Detent Mechanism:
Brass, silver-plated
“Faston” Terminal:
Brass, silver-plated
Solder Terminal:
Brass, silver-plated
Mounting Hardware:
One mounting nut
9
/
16
"
across flats,
3
/
32
" thick and one non-turn washer
(see detail) are supplied with each switch.
ACCESSORIES
Non-Turn Washer
Brass, tin/zinc-plated washer, detailed above
may be purchased as a separate item.
Part No. 19C1014.
ORDERING INFORMATION
Additional Characteristics
Single Pole, Single Deck:
2 to 11 positions
plus common 30° Indexing.
Contacts:
Non-shorting type
Stops:
A rivet provides the fixed stop on all
switches. Minimum number of positions is 2,
and maximum is 11. Terminal 12, the common,
is isolated from rotation.
Rotational Torque:
12 to 36 ounch-
inches on average for new switches.
Contact Force:
Approximately 12 ounces
Shaft Flat Orientation:
Opposite point of contact
(see circuit diagram).
Circuit Diagram viewed from
shaft end with switch in position #1
8
7
6
5
4
3
2
9
10
11
12 (COMMON)
1
OF BUSHING
KEYWAY
Part Numbers:
Designate as follows, using the
2 digits after the dash to indicate the number
of positions.
For Faston Terminal:
Use 19101-02UL through 19101-11UL
For Solder Terminal:
Use 19001-02UL through 19001-11UL
Specials:
Not available through Distributors. For
special shafts, bushings, etc. contact Grayhill.
Materials and Finishes
Rotor Contact:
Silver alloy
Stator Contact:
Silver alloy
Shaft:
303 Stainless steel
Stop Rivet:
Steel, tin/zinc-plated
Mounting Bushing:
Brass, tin/zinc-plated
Base and Drive Hub:
Heat resistant, electrical
grade phenolic.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
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