.hide-partial { max-height: none; } .show-more { display: none; }

+ 55 C Engineering Development Tools

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Engineering Development Tools

List Images

Results: 224

Applied Filters:

Maximum Operating Temperature = + 55 C

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NO screw silver

704.910.3-1
EAO
1: $21.917
18In Stock
New Product

Mfr. Part #
704.910.3-1

Mouser Part #
123-704.910.3-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NO screw silver

Learn More

Datasheet

18In Stock

$21.917

$19.751

$18.888

$17.910

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NC screw silver

704.910.4-1
EAO
1: $16.396
18In Stock
New Product

Mfr. Part #
704.910.4-1

Mouser Part #
123-704.910.4-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NC screw silver

Learn More

Datasheet

18In Stock

$16.396

$16.385

$16.354

$15.996

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC+1NO screw silver

704.910.5-1
EAO
1: $19.898
25In Stock
New Product

Mfr. Part #
704.910.5-1

Mouser Part #
123-704.910.5-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC+1NO screw silver

Learn More

Datasheet

25In Stock

$19.898

$17.931

$17.185

$16.333

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC screw gold/silver

704.911.2-1
EAO
1: $51.638
8In Stock
New Product

Mfr. Part #
704.911.2-1

Mouser Part #
123-704.911.2-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC screw gold/silver

Learn More

Datasheet

8In Stock

$51.638

$47.883

$45.843

$42.583

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NO screw gold/silver

704.911.3-1
EAO
1: $90.624
8In Stock
New Product

Mfr. Part #
704.911.3-1

Mouser Part #
123-704.911.3-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NO screw gold/silver

Learn More

Datasheet

8In Stock

$90.624

$83.273

$77.951

$74.744

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NC screw gold/silver

704.911.4-1
EAO
1: $90.624
8In Stock
New Product

Mfr. Part #
704.911.4-1

Mouser Part #
123-704.911.4-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 2NC screw gold/silver

Learn More

Datasheet

8In Stock

$90.624

$83.273

$77.951

$74.744

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC+1NO screw gold/silver

704.911.5-1
EAO
1: $88.111
7In Stock
New Product

Mfr. Part #
704.911.5-1

Mouser Part #
123-704.911.5-1

New Product

EAO

Switch Contact Blocks / Switch Kits Switching element slow-make T 1NC+1NO screw gold/silver

Learn More

Datasheet

7In Stock

$88.111

$81.138

$76.332

$74.081

View

Min.: 1
Mult.: 1

Development Boards & Kits - Wireless EFR32BG29 +4 dBm Radio Board Kit (Boost)

BG29-RB4420A
Silicon Labs
1: $37.861
49In Stock
New Product

Mfr. Part #
BG29-RB4420A

Mouser Part #
634-BG29-RB4420A

New Product

Silicon Labs

Development Boards & Kits - Wireless EFR32BG29 +4 dBm Radio Board Kit (Boost)

Learn More

Datasheet

49In Stock

$37.861

Min.: 1
Mult.: 1

Development Boards & Kits - Wireless EFR32xG29 +6 dBm Radio Board Kit (Boost)

XG29-RB4413A
Silicon Labs
1: $36.231
58In Stock
New Product

Mfr. Part #
XG29-RB4413A

Mouser Part #
634-XG29-RB4413A

New Product

Silicon Labs

Development Boards & Kits - Wireless EFR32xG29 +6 dBm Radio Board Kit (Boost)

Learn More

Datasheet

58In Stock

$36.231

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Holder, Plastic

46-2V00.000.000
EAO
1: $8.035
896In Stock
5On Order

Mfr. Part #
46-2V00.000.000

Mouser Part #
123-46-2V00.000.000

EAO

Switch Contact Blocks / Switch Kits Holder, Plastic

Learn More

Datasheet

896In Stock

5On Order

$8.035

$8.014

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NO, Screw terminal

46-311.1Z10
EAO
1: $6.110
772In Stock

Mfr. Part #
46-311.1Z10

Mouser Part #
123-46-311.1Z10

EAO

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NO, Screw terminal

Learn More

Datasheet

772In Stock

$6.110

$6.037

Min.: 1
Mult.: 1

Multiple Function Sensor Development Tools Evaluation Kit for SGP40/41 Gas Sensor

SEK-SVM4x
Sensirion
1: $106.957
33In Stock

Mfr. Part #
SEK-SVM4x

Mouser Part #
403-SEK-SVM4X

Sensirion

Multiple Function Sensor Development Tools Evaluation Kit for SGP40/41 Gas Sensor

Learn More

Datasheet

33In Stock

$106.957

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NO, Ring cable lug screw terminal

46-311.1Z70
EAO
1: $7.320
29In Stock

Mfr. Part #
46-311.1Z70

Mouser Part #
123-46-311.1Z70

EAO

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NO, Ring cable lug screw terminal

Learn More

Datasheet

29In Stock

$7.320

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NC, Screw terminal

46-312.1Z10
EAO
1: $6.215
126In Stock

Mfr. Part #
46-312.1Z10

Mouser Part #
123-46-312.1Z10

EAO

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NC, Screw terminal

Learn More

Datasheet

126In Stock

$6.215

$6.121

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NC, Ring cable lug screw terminal

46-312.1Z70
EAO
1: $7.015
58In Stock

Mfr. Part #
46-312.1Z70

Mouser Part #
123-46-312.1Z70

EAO

Switch Contact Blocks / Switch Kits Switching element, Slow-make switching element, Silver, 1 NC, Ring cable lug screw terminal

Learn More

Datasheet

58In Stock

$7.015

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits SWTCH ELMT SLVR

61-8410.12
EAO
1: $12.315
435In Stock

Mfr. Part #
61-8410.12

Mouser Part #
123-61-8410.12

EAO

Switch Contact Blocks / Switch Kits SWTCH ELMT SLVR

Learn More

Datasheet

435In Stock

$12.315

$12.252

$11.442

$11.158

$10.864

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits SNAP-ACTNSWTCH ELMT CONTACTS

61-8420.12
EAO
1: $16.091
207In Stock

Mfr. Part #
61-8420.12

Mouser Part #
123-61-8420.12

EAO

Switch Contact Blocks / Switch Kits SNAP-ACTNSWTCH ELMT CONTACTS

Learn More

Datasheet

207In Stock

$16.091

$16.080

$15.786

$14.987

$14.692

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Contact block 2 N.O.

61-8420.22
EAO
1: $21.560
161In Stock
32Expected 8/18/2026

Mfr. Part #
61-8420.22

Mouser Part #
123-61-8420.22

EAO

Switch Contact Blocks / Switch Kits Contact block 2 N.O.

Learn More

Datasheet

161In Stock

32Expected 8/18/2026

$21.560

$21.192

$20.960

$20.645

Quote

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits SWTCH ELMT SLGP QC

61-8430.22
EAO
1: $26.871
74In Stock

Mfr. Part #
61-8430.22

Mouser Part #
123-61-8430.22

EAO

Switch Contact Blocks / Switch Kits SWTCH ELMT SLGP QC

Learn More

Datasheet

74In Stock

$26.871

$26.723

$26.208

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits SWTCH ELMT SLGP QC

61-8490.22
EAO
1: $26.418
154In Stock
39Expected 8/17/2026

Mfr. Part #
61-8490.22

Mouser Part #
123-61-8490.22

EAO

Switch Contact Blocks / Switch Kits SWTCH ELMT SLGP QC

Learn More

Datasheet

154In Stock

39Expected 8/17/2026

$26.418

$26.408

$26.261

$26.124

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Contact block 2 N.C.

61-8755.11
EAO
1: $26.892
67In Stock

Mfr. Part #
61-8755.11

Mouser Part #
123-61-8755.11

EAO

Switch Contact Blocks / Switch Kits Contact block 2 N.C.

Learn More

Datasheet

67In Stock

$26.892

$26.408

$25.388

$24.567

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits SWT.ELMT 2NC-SLD GLD

61-8755.37
EAO
1: $20.150
148In Stock

Mfr. Part #
61-8755.37

Mouser Part #
123-61-8755.37

EAO

Switch Contact Blocks / Switch Kits SWT.ELMT 2NC-SLD GLD

Learn More

Datasheet

148In Stock

$20.150

$19.824

$19.625

Quote

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NC screw silver

704.900.2-1
EAO
1: $10.675
9In Stock
New Product

Mfr. Part #
704.900.2-1

Mouser Part #
123-704.900.2-1

New Product

EAO

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NC screw silver

Learn More

Datasheet

9In Stock

$10.675

$10.569

$10.180

$10.002

$9.802

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NC+1NO screw silver

704.900.5-1
EAO
1: $19.898
5In Stock
New Product

Mfr. Part #
704.900.5-1

Mouser Part #
123-704.900.5-1

New Product

EAO

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NC+1NO screw silver

Learn More

Datasheet

5In Stock

$19.898

$17.931

$17.185

$16.333

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NO PT6,3 silver

704.905.1-1
EAO
1: $15.817
5In Stock
New Product

Mfr. Part #
704.905.1-1

Mouser Part #
123-704.905.1-1

New Product

EAO

Switch Contact Blocks / Switch Kits Snap-action switching element SA 1NO PT6,3 silver

Learn More

Datasheet

5In Stock

$15.817

$14.608

$13.756

$13.104

View

Min.: 1
Mult.: 1

+ 55 C Engineering Development Tools

Types of Engineering Development Tools

Customer Service Office

Company

Resources

Support