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Butt Contact Pushbutton Switches
DIMENSIONS
In Inches (and millimeters)
Normally Closed–SPST With
Push-Pull
1.87 ± .005
(4,75 ± 0,13)
/ 2 Amp
30-32
1.36
(34.5)
REF.
A
B
15/32-32
UNS-2A
THREAD
HEX NUT (2)
(SEE H)
A = .493 ± .015
(12,52 ± 0,38)
Rating at
115 Vac
Resistive
1 Amp
Rating at
220 Vac
Resistive
1
Operations
at Rated
Load
100,000
Part
Number
30-32 RED
30-32 BLK
Button
Color
Red
Black
C
D
LABEL*
.230 REF
(5.8)
B = .421 ± .015
(10,69 ± 0,38)
C = .225 ±.015
(5,72 ± 0,38)
D = .222 ± .020
(5,64 ± 0,51)
Action
Pull-to-Make
Total
Travel
.145 ± .015
(3,68 ± 0,38)
Actuating
Force (oz.)
56 ± 16
Mtg.
Hole
31/64"
(12,30)
H = HEX NUT
9/16 ± .010 (14,29 ± 0,25)
ACROSS FLATS
3/32 ± .010 (2,38 ± 0,25) THICK
*PART NUMBER
AND E.I.A. DATE
CODE LABEL
SPECIFICATIONS
Rating Criteria
For UL recognized switches, see individual
switch chart. File number is E35289.
Contact Resistance: 25 milliohms maximum
Base: Thermoset plastic
Button: Polyester for 30-16 and 30-32; Phenolic
for 30-17, 30-1UL, 30-2, 30-2UL, 30-3UL, 30-6
and 30-6UL; Polycarbonate for all others.
CIRCUITRY
on a new switch
Voltage Breakdown: 1,000 Vac between
mutually insulated parts
Insulation Resistance: 1,000 megohms
minimum
Operating Temperature: -40° to +85°C
Mounting Torque: 2 inch-pounds
Shorting Bar: Brass with gold over nickel plating
for 30-601; brass with fine silver contact surface
for all others.
Terminals: Brass with gold over nickel plating
for 30-601; commercial brass with fine silver
contact surface and silver-plated for all others.
Spring: Tinned music wire
SPST N.O.
SPST N.C.
Button Cap: Nylon for 30-17; Polyethylene for
Switch Materials and Finishes
Mounting Nut and Cover Bushing: Brass, tin
zinc
30-251 and 30-252.
Detent Balls: Carbon steel, nickel-plated
Terminal Type: Solder lug
O-Ring Seal: (30-251, 30-252) Nitrile per
ORDERING INFORMATION
Part Description
Number and Button Color
ACCESSORIES
MIL-P-5516
30-1*
30-2*
30-3*
30-6*
30-15
N.O., Standard, Red
N.C., Standard, Black
N.O., Black
N.C., Red
N.O., Overtravel, Red
Accessory Cap
30B1012-5
30B1012-8
30B1012-9
Button Guard
10C1015-1
30C1023-1
07C1040-1
Decorative Mounting Nuts
30-16 BLK
30-16 RED
30-17 BLK
30-17 RED
30-32 BLK
30-32 RED
Push to Make, Black
Push to Make, Red
N.O., Positive Feel, Black
N.O., Positive Feel, Red
Pull to Make, Black
Pull to Make, Red
See page E-36 for dimensions.
30-37 BLK
30-251 BLK
N.O., Overtravel, Black
N.O., Sealed, Black
Decorative Mounting Nuts
Part Number 30C1023-1 is made for switches
with 1/4" (6,35) inch diameter bushings. It may
be used with the following Series 30 switches:
30-1, 30-1 UL, 30-2, 30-2 UL, 30-3, 30-6, 30-15,
30-37, 30-251 BLK, 30-251 RED, 30-252 BLK,
30-252 RED, 30-601 BLK and 30-601 RED.
Part Number 07C1040-1 is made for switches
with 15/32" (11,91) inch diameter bushings. It
may be used with the following Series 30 switches:
30-16 BLK, 30-16 RED, 30-17 BLK, 30-17 RED,
30-32 BLK and 30-32 RED.
For the dimensions, materials and finishes of
these decorative mounting nuts, see page
Button Cap and Guard
The button cap is available in 3 colors: part
number 30B1012-5 is red; part number
30B1012-8 is white; and part number 30B1012-
9 is black. It may be fastened to the button with
adhesive. It may be used with the following
Series 30 switches: 30-1, 30-1UL, 30-2, 30-
2UL, 30-3, 30-3UL, 30-15, 30-37, 30-601 BLK,
and 30-601 RED.
The button guard, part number 10C1015-1 is
made to be used with 15/32" (11,91) inch
diameter switches to prevent unintentional
actuation. It may be used with the following
Series 30 switches: 30-16 BLK, 30-16 RED,
30-251 RED
30-252 BLK
30-252 RED
30-601 BLK
30-601 RED
Accessory
Part Number
30B1012-5
30B1012-8
30B1012-9
30C1023-1
07C1040-1
10C1015-1
N.O., Sealed, Red
N.C., Sealed, Black
N.C., Sealed, Red
N.O., Economy, Black
N.O., Economy, Red
Description
Accessory Cap, Red
Accessory Cap, White
Accessory Cap, Black
Accessory Nut
Accessory Nut
Button Guard
E-36.
STANDARD OPTIONS
Decorative mountings, see pages E-24 to E-26.
Pushbutton
30-17 BLK, 30-17 RED, 30-32 BLK, and 30-32
RED
For the dimensions, materials and finishes of
the button cap and guard, see page E-36.
*Add “UL” suffix to part number for UL recognized
switches.
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
46
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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