EEWORLDEEWORLDEEWORLD

Part Number

Search

30-251-BLK-EW

Description
Pushbutton Switches Pushbutton Switch, SPST, N.O., sealed, black button, potted base & 6" wire leads
CategoryTopical application    Mechanical and electrical/engineering/automation   
File Size112KB,3 Pages
ManufacturerGrayhill
Websitehttp://www.grayhill.com
Download Datasheet Parametric View All

30-251-BLK-EW Online Shopping

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

30-251-BLK-EW Overview

Pushbutton Switches Pushbutton Switch, SPST, N.O., sealed, black button, potted base & 6" wire leads

30-251-BLK-EW 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 StyleWire Leads
ActuatorRound
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
[Course Recommendation] +C2000 Basics: From Entry to Advanced
[i=s]This post was last edited by qditz on 2016-8-22 15:12[/i] [b] [color=#0a0e9][url=https://training.eeworld.com.cn/TI/show/course/3580]C2000 Basics[/url][/color]From Entry to Advanced[/b] As a lead...
qditz Microcontroller MCU
Please tell me about DSP28035
[size=5]I have learned how to use [color=red]DSP2407[/color] before, and now I have just started to use [color=red]DSP28035[/color], so I would like to ask you seniors, is the development of [color=re...
562928737 Microcontroller MCU
The teacher provided the original EK-LM4F232 CD and USB disk information.
[i=s] This post was last edited by 414923338 on 2015-6-17 16:42 [/i] I got an original one from a junkman and want to study it. Please provide me with the information. Thank you. My email address is [...
414923338 Microcontroller MCU
Looking for a digital tube perpetual calendar
Last time, I would like to thank the moderator for uploading a LCD1602 electronic clock to me. I really want to make a perpetual calendar with a digital tube. It can display the year, month, day, hour...
08221034 MCU
Regarding oscilloscope probes, you may want to take a look
The probe is the first link to observe the signal. Its main function is to carry the link of signal transmission, and transmit the signal to be measured completely and reliably to the oscilloscope for...
qwqwqw2088 Analogue and Mixed Signal
Mini2440 key issue
There are several keys out of the six keys on my mini2440 development board that cannot be implemented. I used the wince development environment and looked at its driver. The functions implemented are...
sxslhaopeng Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 473  1405  336  2241  1119  10  29  7  46  23 
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