EEWORLDEEWORLDEEWORLD

Part Number

Search

30-251-BLK-E

Description
Pushbutton Switches Pushbutton Switch, SPST, N.O., sealed, black button, epoxy sealed terminals
CategoryTopical application    Mechanical and electrical/engineering/automation   
File Size112KB,3 Pages
ManufacturerGrayhill
Websitehttp://www.grayhill.com
Download Datasheet Parametric View All

30-251-BLK-E Online Shopping

Suppliers Part Number Price MOQ In stock  
30-251-BLK-E - - View Buy Now

30-251-BLK-E Overview

Pushbutton Switches Pushbutton Switch, SPST, N.O., sealed, black button, epoxy sealed terminals

30-251-BLK-E Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerGrayhill
Product CategoryPushbutton Switches
RoHSDetails
ProductStandard Switches
Contact FormSPST
Switch FunctionOFF - (ON)
Current Rating1 A
Voltage Rating AC125 VAC
Mounting StylePanel
Termination StyleSolder Lug
ActuatorRound
Terminal SealEpoxy
Cap ColorBlack
Life250000 Cycles
Factory Pack Quantity25
Pushbutton Options and Accessories
SEALED TERMINAL AND
WIRE LEAD OPTIONS
OPTION -E AND -EW
FEATURES
1
/
4
,
1
/
2
, and 1 Amp
• Limit, Overtravel, or Panel Seal
• Butt or Wiping Contact
• Normally Open or Normally Closed
• Momentary or Push/Pull
• Series 23, 30, 39 and 46
Option -EW,
Potted Base & 6"
Wire Leads
Option -E
Epoxy-Sealed
Terminals
SPECIFICATIONS
Rating Criteria
Make and Break Current Rating:
See page
for standard part number
Contact Resistance:
25 milliohms maximum
on a new switch. Less than 4 milliohms per inch
of wire for wire lead option styles.
Insulation Resistance:
1,000 megohms
minimum between mutually insulated parts
Voltage Breakdown:
1,000 Vac minimum
between mutually insulated parts
Pushbutton Switches
Standard
Part Number
Red Button
23-1
30-1
30-15
30-17 RED
30-16 RED
30-251 RED
30-252 RED
30-32 RED
30-6
30-601 RED
39-1*
––––
39-12*
39-101
39-351 RED
39-352 RED*
39-601 RED
39-701***
39-702***
46-101 RED
46-102 RED
46-110 RED
46-111 RED
46-150 RED
46-151 RED
46-200 RED
46-201 RED
46-270 RED
46-271 RED
Standard
Part Number
Black Button
23-4
30-3
30-37
30-17 BLK
30-16 BLK
30-251 BLK
30-252 BLK
30-32 BLK
30-2
30-601 BLK
39-3*
39-2
39-24*
––––
39-351 BLK
39-352 BLK*
39-601 BLK
––––
––––
46-101 BLK
46-102 BLK
46-110 BLK
46-111 BLK
46-150 BLK
46-151 BLK
46-200 BLK
46-201 BLK
46-270 BLK
46-271 BLK
Choices
of
Suffix
-E
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-EW**
-E,- EW
-EW**
-EW**
-EW**
-E, -EW
-EW*
-EW**
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E, -EW
-E
-E
-E
-E
Length Behind Panel
In inches (and millimeters)
-EW Style
Standard Switch
Body
& Terminals
0.665
0.592
0.679
0.958
0.958
0.632
0.645
0.867
0.605
0.592
0.315
0.490
0.455
0.650
0.350
0.529
0.315
0.800
0.510
0.890
0.890
0.890
0.890
0.957
0.957
0.921
0.921
0.957
0.957
(16,89)
(15,04)
(17,25)
(24,33)
(24,33)
(16,05)
(16,38)
(22,02)
(15,37)
(15,04)
(8,00)
(12,45)
(11,56)
(16,51)
(8,89)
(13,44)
(8,00)
(20,32)
(12,95)
(22,61)
(22,61)
(22,61)
(22,61)
(24,31)
(24,31)
(23,39)
(23,39)
(24,31)
(24,31)
––––
0.645
0.728
1.007
1.007
0.685
0.700
0.896
0.640
0.645
0.440
0.575
0.575
0.775
0.450
0.630
0.440
0.925
0.750
0.957
0.957
0.957
0.957
1.024
1.024
––––
––––
––––
––––
(16,38)
(18,49)
(25,58)
(25,58)
(17,40)
(17,78)
(22,76)
(16,26)
(16,38)
(11,18)
(14,61)
(14,61)
(19,69)
(11,43)
(16,00)
(11,18)
(23,50)
(19,05)
(24,31)
(24,31)
(24,31)
(24,31)
(26,01)
(26,01)
Materials and Finishes
Potting Sleeve (Series 39):
Thermoset Plastic
Wire Leads:
#26AWG, (.99mm diameter)
insulated Teflon, Copper stranded wire, per
MlL-W-16878,Type E. Ends are stripped
0.250" (6.35) and solder dipped. For other
specifications, see Page References.
*Epoxy potting sleeve enlarges the diameter of the -EW style to 0.300 (7,62).
**Sealed terminal (-E) option is not necessary; terminals have sealed construction.
***Natural Color Button
†Adjustable from 1.214 (30,84) to 1.334 (33,88) dependent on button height, see switch pages.
Pushbutton
60
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Problems with creating a virtual serial port in WinCE
I am designing a program and want to read the NMEA data of GPS from the serial port, process it and put it into the virtual serial port, and then let other programs read it. However, I don't know how ...
Hellenzheng Embedded System
Analog Basics of the Electrocardiogram (ECG) Signal Chain (Part 2)
[i=s]This post was last edited by dontium on 2015-1-23 12:44[/i] The basic functions of an ECG machine include ECG waveform display (displayed on an LCD display or printed paper media), heart rhythm i...
德州仪器_视频 Analogue and Mixed Signal
TDS510USB Plus emulator has an error when connecting to TMS320F2812
出现仿真器连接错误: Error connecting to the target: Error 0x80000240/-114 Fatal Error during: Initialization, OCS, This error was generated by TI's USCIF driver. SC_ERR_CTL_BUSYThe controller's commands are ta...
Aguilera DSP and ARM Processors
[DIY] 24 hours of emotion (modern version) Homemade LED dot matrix electronic clock
All circuit diagrams and PCB board files, as well as a full set of C language source code , including project files, have been uploaded on the second floor.Eighteen years ago, whenever I passed by the...
yanzeyuan DIY/Open Source Hardware
Does anyone know what the coating on the inner pot of a bread machine is?
Does anyone know what the coating of the bread machine's inner pot is? Is it different from the Teflon coating of the previous non-stick pans? I seem to remember that there was a problem with the coat...
wangfuchong Talking
Purgatory Legend-The battle of key debounce based on spike pulse
[align=left]Spike pulse is a very important signal in circuit design. In many large-scale designs, the cascade handshake signal between modules generally uses spike pulse. The correct application of s...
梦翼师兄 FPGA/CPLD

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2452  1532  677  2698  2141  50  31  14  55  44 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号