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

Eaton Electrical Engineering Development Tools

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

Types of Engineering Development Tools

List Images

Results: 525

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 1LONC-1ECNO CONTACT BLOCK

10250T55
Eaton Electrical
1: ¥17,073.4
6In Stock

Mfr. Part #
10250T55

Mouser Part #
504-10250T55

Eaton Electrical

Switch Contact Blocks / Switch Kits 1LONC-1ECNO CONTACT BLOCK

Learn More

Datasheet

6In Stock

¥17,073.4

¥14,641.7

¥13,146.8

¥12,834.5

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NC SHRD

10250T51P
Eaton Electrical
1: ¥10,186.9
5In Stock

Mfr. Part #
10250T51P

Mouser Part #
504-10250T51P

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NC SHRD

Learn More

Datasheet

5In Stock

¥10,186.9

¥7,971.1

¥7,604.1

¥7,313.4

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits PUSHBUTTON KIT-START/STOP

C400T1
Eaton Electrical
1: ¥57,075.3
1In Stock

Mfr. Part #
C400T1

Mouser Part #
504-C400T1

Eaton Electrical

Switch Contact Blocks / Switch Kits PUSHBUTTON KIT-START/STOP

Learn More

Datasheet

1In Stock

¥57,075.3

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits AUXILIARY CONTACT MODULE

Z-IHK-NA
Eaton Electrical
1: ¥10,296.5
68In Stock
New Product

Mfr. Part #
Z-IHK-NA

Mouser Part #
504-Z-IHK-NA

New Product

Eaton Electrical

Switch Contact Blocks / Switch Kits AUXILIARY CONTACT MODULE

Datasheet

68In Stock

¥10,296.5

¥9,407.9

¥9,206.9

¥8,054.2

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO SCREW TERM

M22-K10
Eaton Electrical
1: ¥2,855.3
1,315In Stock
1,286Expected 10/26/2026

Mfr. Part #
M22-K10

Mouser Part #
504-M22-K10

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO SCREW TERM

Learn More

Datasheet

1,315In Stock

1,286Expected 10/26/2026

¥2,855.3

¥2,496.5

¥2,353.6

¥2,250.7

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO-1NC

10250T1
Eaton Electrical
1: ¥12,499
49In Stock

Mfr. Part #
10250T1

Mouser Part #
504-10250T1

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO-1NC

Learn More

Datasheet

49In Stock

¥12,499

¥12,416

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 2NO

10250T2
Eaton Electrical
1: ¥12,499
89In Stock

Mfr. Part #
10250T2

Mouser Part #
504-10250T2

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 2NO

Learn More

Datasheet

89In Stock

¥12,499

¥12,416

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NC CAGE CLAMP

M22-CK01
Eaton Electrical
1: ¥3,768.8
104In Stock

Mfr. Part #
M22-CK01

Mouser Part #
504-M22-CK01

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NC CAGE CLAMP

Learn More

Datasheet

104In Stock

¥3,768.8

¥3,250.6

¥3,064.5

¥2,670.9

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO CAGE CLAMP

M22-CK10
Eaton Electrical
1: ¥3,768.8
134In Stock

Mfr. Part #
M22-CK10

Mouser Part #
504-M22-CK10

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO CAGE CLAMP

Learn More

Datasheet

134In Stock

¥3,768.8

¥3,250.6

¥3,064.5

¥2,931.7

¥2,670.9

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO/1NC CAGE CLAMP

M22-CK11
Eaton Electrical
1: ¥7,150.6
41In Stock
22Expected 10/19/2026

Mfr. Part #
M22-CK11

Mouser Part #
504-M22-CK11

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NO/1NC CAGE CLAMP

Learn More

Datasheet

41In Stock

22Expected 10/19/2026

¥7,150.6

¥6,167.3

¥5,559.4

¥5,340.1

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO-1NC AMBER

10250T1C
Eaton Electrical
1: ¥17,820.9
37In Stock

Mfr. Part #
10250T1C

Mouser Part #
504-10250T1C

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO-1NC AMBER

Learn More

Datasheet

37In Stock

¥17,820.9

¥17,467.1

¥14,429.1

¥13,954.1

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 1NO LOGIC LEVEL Cont BLOCK; SPADE TERM

10250T60E
Eaton Electrical
1: ¥17,761.1
24In Stock

Mfr. Part #
10250T60E

Mouser Part #
504-10250T60E

Eaton Electrical

Switch Contact Blocks / Switch Kits 1NO LOGIC LEVEL Cont BLOCK; SPADE TERM

Learn More

Datasheet

24In Stock

¥17,761.1

¥16,108.4

¥15,028.7

¥12,608.7

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NC

10250T51
Eaton Electrical
1: ¥8,515.9
21In Stock

Mfr. Part #
10250T51

Mouser Part #
504-1025051

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NC

Learn More

Datasheet

21In Stock

¥8,515.9

¥7,647.2

¥7,268.5

¥6,745.3

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 2NC

10250T3
Eaton Electrical
1: ¥16,553.5
9In Stock
8Expected 9/28/2026

Mfr. Part #
10250T3

Mouser Part #
504-10250T3

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 2NC

Learn More

Datasheet

9In Stock

8Expected 9/28/2026

¥16,553.5

¥14,965.6

¥13,925.8

¥13,361.1

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits OILTIGHT PUSH-PULL OPERATOR

10250T5-1
Eaton Electrical
1: ¥44,910.1
2In Stock
1Expected 9/28/2026

Mfr. Part #
10250T5-1

Mouser Part #
504-10250T5-1

Eaton Electrical

Switch Contact Blocks / Switch Kits OILTIGHT PUSH-PULL OPERATOR

Learn More

Datasheet

2In Stock

1Expected 9/28/2026

¥44,910.1

¥38,875.7

¥37,683.1

¥37,402.4

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO

10250T53
Eaton Electrical
1: ¥6,622.4
8In Stock
6Expected 10/5/2026

Mfr. Part #
10250T53

Mouser Part #
504-10250T53

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO

Learn More

Datasheet

8In Stock

6Expected 10/5/2026

¥6,622.4

¥5,735.4

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO AMBER

10250T53C
Eaton Electrical
1: ¥9,035.8
7In Stock

Mfr. Part #
10250T53C

Mouser Part #
504-10250T53C

Eaton Electrical

Switch Contact Blocks / Switch Kits 30MM CONT BLK 1NO AMBER

Learn More

Datasheet

7In Stock

¥9,035.8

¥7,114.1

¥6,735.4

¥6,416.4

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits N/C CONTAC BLK RED

E01
Eaton Electrical
1: ¥3,431.6
8In Stock

Mfr. Part #
E01

Mouser Part #
504-E01

Eaton Electrical

Switch Contact Blocks / Switch Kits N/C CONTAC BLK RED

Datasheet

8In Stock

¥3,431.6

¥2,895.1

¥2,800.4

¥2,704.1

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1 N.C.

E22B1
Eaton Electrical
1: ¥6,761.9
24In Stock
89On Order

Mfr. Part #
E22B1

Mouser Part #
504-E22B1

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1 N.C.

Datasheet

24In Stock

89On Order

¥6,761.9

¥6,511.1

¥5,644.1

¥5,497.9

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits 1NO-1NC CONTACT BLOCK

E22B11
Eaton Electrical
1: ¥15,811.1
17In Stock
12On Order

Mfr. Part #
E22B11

Mouser Part #
504-E22B11

Eaton Electrical

Switch Contact Blocks / Switch Kits 1NO-1NC CONTACT BLOCK

Datasheet

17In Stock

12On Order

¥15,811.1

¥14,339.4

¥13,377.7

¥12,854.5

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1 N.O.

E22B2
Eaton Electrical
1: ¥6,913.1
28In Stock

Mfr. Part #
E22B2

Mouser Part #
504-E22B2

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1 N.O.

Datasheet

28In Stock

¥6,913.1

¥6,541

¥6,285.2

¥5,486.3

Quote

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NO

HT8A
Eaton Electrical
1: ¥6,376.6
5In Stock

Mfr. Part #
HT8A

Mouser Part #
504-HT8A

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK, 1NO

Datasheet

5In Stock

¥6,376.6

¥6,330.1

¥5,870

¥5,620.8

View

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 2NC CAGE CLAMP

M22-CK02
Eaton Electrical
1: ¥7,466.2
16In Stock

Mfr. Part #
M22-CK02

Mouser Part #
504-M22-CK02

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 2NC CAGE CLAMP

Learn More

Datasheet

16In Stock

¥7,466.2

¥6,439.7

¥6,071

¥5,805.2

¥5,594.2

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 2NO CAGE CLAMP

M22-CK20
Eaton Electrical
1: ¥7,466.2
8In Stock

Mfr. Part #
M22-CK20

Mouser Part #
504-M22-CK20

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 2NO CAGE CLAMP

Learn More

Datasheet

8In Stock

¥7,466.2

¥6,439.7

¥6,071

¥5,805.2

¥5,594.2

Min.: 1
Mult.: 1

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NC CAGE CLAMP BASE MOUNT

M22-CKC01
Eaton Electrical
1: ¥3,768.8
5In Stock

Mfr. Part #
M22-CKC01

Mouser Part #
504-M22-CKC01

Eaton Electrical

Switch Contact Blocks / Switch Kits CONTACT BLOCK 1NC CAGE CLAMP BASE MOUNT

Learn More

Datasheet

5In Stock

¥3,768.8

¥3,250.6

¥3,064.5

¥2,931.7

View

Min.: 1
Mult.: 1

Eaton Electrical Engineering Development Tools

Types of Engineering Development Tools

Customer Service Office

Company

Resources

Support