Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois

60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Butt Contact Pushbutton Switches

Normally Closed–SPST With

Push-Pull

30-32

ACCESSORIES

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,

30-17 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.

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

E-36.

STANDARD OPTIONS

Decorative mountings, see pages E-24 to E-26.

SPECIFICATIONS

Rating Criteria

For UL recognized switches, see individual

switch chart. File number is E35289.

Contact Resistance: 25 milliohms maximum

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

Switch Materials and Finishes

Mounting Nut and Cover Bushing: Brass, tin

zinc

Button

Color

Operations

at Rated

Load

Rating at

115 Vac

Resistive

Rating at

220 Vac

Resistive

1 Amp

100,000

30-32 RED

Red

30-32 BLK

Black

Mtg.

Hole

Total

Travel

Action

Actuating

Force (oz.)

Part

Number

Pull-to-Make

56 ± 16

Part

Description

Number

and Button Color

30-1*

N.O., Standard, Red

30-2*

N.C., Standard, Black

30-3*

N.O., Black

30-6*

N.C., Red

30-15

N.O., Overtravel, Red

30-16 BLK

Push to Make, Black

30-16 RED

Push to Make, Red

30-17 BLK

N.O., Positive Feel, Black

30-17 RED

N.O., Positive Feel, Red

30-32 BLK

Pull to Make, Black

30-32 RED

Pull to Make, Red

30-37 BLK

N.O., Overtravel, Black

30-251 BLK

N.O., Sealed, Black

30-251 RED

N.O., Sealed, Red

30-252 BLK

N.C., Sealed, Black

30-252 RED

N.C., Sealed, Red

30-601 BLK

N.O., Economy, Black

30-601 RED

N.O., Economy, Red

Accessory

Part Number

Description

30B1012-5

Accessory Cap, Red

30B1012-8

Accessory Cap, White

30B1012-9

Accessory Cap, Black

30C1023-1

Accessory Nut

07C1040-1

Accessory Nut

10C1015-1

Button Guard

Accessory Cap

30B1012-5

30B1012-8

30B1012-9

Button Guard

10C1015-1

Decorative Mounting Nuts

07C1040-1

30C1023-1

CIRCUITRY

ORDERING INFORMATION

See page E-36 for dimensions.

*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.

.145 ± .015

31/64"

(3,68 ± 0,38)

(12,30)

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.

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

Button Cap: Nylon for 30-17; Polyethylene for

30-251 and 30-252.

Detent Balls: Carbon steel, nickel-plated

Terminal Type: Solder lug

O-Ring Seal: (30-251, 30-252) Nitrile per

MIL-P-5516

1.87 ± .005

(4,75 ± 0,13)

A

1.36

(34.5)

REF.

15/32-32

UNS-2A

THREAD

D

C

B

A = .493 ± .015

(12,52 ± 0,38)

B = .421 ± .015

(10,69 ± 0,38)

C = .225 ±.015

(5,72 ± 0,38)

D = .222 ± .020

(5,64 ± 0,51)

HEX NUT (2)

(SEE H)

H = HEX NUT

9/16 ± .010 (14,29 ± 0,25)

ACROSS FLATS

3/32 ± .010 (2,38 ± 0,25) THICK

LABEL*

.230 REF

(5.8)

*PART NUMBER

AND E.I.A. DATE

CODE LABEL

SPST N.O.

SPST N.C.

Pushbutton

46