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

Circuit Protection

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

Types of Circuit Protection

List Images

Results: 197

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.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 #

Cartridge Fuses SMALL DIM. FUSE

BK/S500-500-R
Eaton Electronics
1: £0.346
1,550In Stock
4,000On Order

Mfr. Part No.
BK/S500-500-R

Mouser Part No
504-BK/S500-500-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

1,550In Stock

4,000On Order

£0.346

£0.268

£0.223

£0.205

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-100-R
Eaton Electronics
1: £10.06
79In Stock

Mfr. Part No.
BK/S500-100-R

Mouser Part No
504-BK/S500-100-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

79In Stock

£10.06

£8.38

£7.75

£6.44

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 800mA FA

BK1/S500-800-R
Eaton Electronics
1: £1.07
180In Stock

Mfr. Part No.
BK1/S500-800-R

Mouser Part No
504-BK1-S500-800-R

Eaton Electronics

Cartridge Fuses S500 800mA FA

Datasheet

180In Stock

£1.07

£0.818

£0.683

£0.629

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 1.6A FA

BK1/S500-1.6-R
Eaton Electronics
1: £0.383
18In Stock
1,000Expected 22/06/2026

Mfr. Part No.
BK1/S500-1.6-R

Mouser Part No
504-BK1-S500-1-6-R

Eaton Electronics

Cartridge Fuses S500 1.6A FA

Datasheet

18In Stock

1,000Expected 22/06/2026

£0.383

£0.292

£0.243

£0.223

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-50-R
Eaton Electronics
1: £8.42
3In Stock

Mfr. Part No.
BK/S500-50-R

Mouser Part No
504-BK/S500-50-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

3In Stock

£8.42

£7.02

£6.50

£5.40

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 2A FA

BK1/S500-2-R
Eaton Electronics
1: £0.271
308In Stock
1,000Expected 17/07/2026

Mfr. Part No.
BK1/S500-2-R

Mouser Part No
504-BK1-S500-2-R

Eaton Electronics

Cartridge Fuses S500 2A FA

Datasheet

308In Stock

1,000Expected 17/07/2026

£0.271

£0.244

£0.203

£0.187

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-10-R
Eaton Electronics
1: £0.934
497In Stock

Mfr. Part No.
BK/S500-10-R

Mouser Part No
504-BK/S500-10-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

497In Stock

£0.934

£0.841

£0.478

£0.434

Min.: 1
Mult.: 1

Cartridge Fuses S500 5A FA

BK1/S500-5-R
Eaton Electronics
1: £0.292
433In Stock

Mfr. Part No.
BK1/S500-5-R

Mouser Part No
504-BK1-S500-5-R

Eaton Electronics

Cartridge Fuses S500 5A FA

Datasheet

433In Stock

£0.292

£0.266

£0.221

£0.204

View

Min.: 1
Mult.: 1

Varistors 50VAC 10% 14mm StandarD

B72214S0500K101
EPCOS / TDK
1: £0.278
24,684In Stock

Mfr. Part No.
B72214S0500K101

Mouser Part No
871-B72214S500K101

EPCOS / TDK

Varistors 50VAC 10% 14mm StandarD

Learn More

Datasheet

24,684In Stock

£0.278

£0.173

£0.149

£0.138

View

Min.: 1
Mult.: 1

SCRs TAPE13 SCR

BT151S-500R,118
WeEn Semiconductors
1: £0.899
8,979In Stock

Mfr. Part No.
BT151S-500R,118

Mouser Part No
771-BT151S-500R118

WeEn Semiconductors

SCRs TAPE13 SCR

Datasheet

8,979In Stock

Cut Tape

£0.899

£0.553

£0.371

£0.288

£0.261

Reel

£0.222

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SCRs TAPE 13-THYR AND

BT151S-500L,118
WeEn Semiconductors
1: £0.917
400In Stock
7,500Expected 16/04/2026

Mfr. Part No.
BT151S-500L,118

Mouser Part No
771-BT151S-500L118

WeEn Semiconductors

SCRs TAPE 13-THYR AND

Datasheet

400In Stock

7,500Expected 16/04/2026

Cut Tape

£0.917

£0.571

£0.376

£0.298

Reel

£0.232

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Cartridge Fuses S500 2.5A FA

BK1/S500-2.5-R
Eaton Electronics
1: £0.346
673In Stock

Mfr. Part No.
BK1/S500-2.5-R

Mouser Part No
504-BK1-S500-2-5-R

Eaton Electronics

Cartridge Fuses S500 2.5A FA

Datasheet

673In Stock

£0.346

£0.271

£0.224

£0.207

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 1A FA

BK1/S500-1-R
Eaton Electronics
1: £0.278
3,005In Stock

Mfr. Part No.
BK1/S500-1-R

Mouser Part No
504-BK1-S500-1-R

Eaton Electronics

Cartridge Fuses S500 1A FA

Datasheet

3,005In Stock

£0.278

£0.255

£0.212

£0.192

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 200mA FA

BK1/S500-200-R
Eaton Electronics
1: £1.07
1,000In Stock

Mfr. Part No.
BK1/S500-200-R

Mouser Part No
504-BK1-S500-200-R

Eaton Electronics

Cartridge Fuses S500 200mA FA

Datasheet

1,000In Stock

£1.07

£0.818

£0.683

£0.629

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-40-R
Eaton Electronics
1: £10.06
76In Stock

Mfr. Part No.
BK/S500-40-R

Mouser Part No
504-BK/S500-40-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

76In Stock

£10.06

£8.39

£7.75

£6.45

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-6.3-R
Eaton Electronics
1: £0.278
2,018In Stock

Mfr. Part No.
BK/S500-6.3-R

Mouser Part No
504-BK/S500-6.3-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

2,018In Stock

£0.278

£0.256

£0.212

£0.155

View

Min.: 1
Mult.: 1

Cartridge Fuses 1.25A 250V FAST ACTING

BK1/S500-1.25-R
Eaton Electronics
1: £0.285
408In Stock

Mfr. Part No.
BK1/S500-1.25-R

Mouser Part No
504-BK1/S500-1.25-R

Eaton Electronics

Cartridge Fuses 1.25A 250V FAST ACTING

Datasheet

408In Stock

£0.285

£0.258

£0.214

£0.197

View

Min.: 1
Mult.: 1

Cartridge Fuses SMALL DIM. FUSE

BK/S500-800-R
Eaton Electronics
1: £0.285
451In Stock

Mfr. Part No.
BK/S500-800-R

Mouser Part No
504-BK/S500-800-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

451In Stock

£0.285

£0.269

£0.238

£0.237

View

Min.: 1
Mult.: 1

Surface Mount Fuses JB12S SMD Fuse 63V 0.5A Slow 1206 3.2mm X 1.6mm

JB12S5000R
YAGEO
1: £0.12
944In Stock
6,000On Order
New At Mouser

Mfr. Part No.
JB12S5000R

Mouser Part No
603-JB12S5000R

New At Mouser

YAGEO

Surface Mount Fuses JB12S SMD Fuse 63V 0.5A Slow 1206 3.2mm X 1.6mm

Learn More

Datasheet

944In Stock

6,000On Order

Cut Tape

£0.12

£0.10

£0.088

£0.082

Reel

£0.048

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 3,000

Cartridge Fuses SMALL DIM. FUSE

BK/S500-4-R
Eaton Electronics
1: £0.285
456In Stock
1,000On Order

Mfr. Part No.
BK/S500-4-R

Mouser Part No
504-BK/S500-4-R

Eaton Electronics

Cartridge Fuses SMALL DIM. FUSE

Datasheet

456In Stock

1,000On Order

£0.285

£0.259

£0.215

£0.197

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 100MA 1K BG

BK1/S500-100-R
Eaton Electronics
1: £5.46
600In Stock

Mfr. Part No.
BK1/S500-100-R

Mouser Part No
504-BK1-S500-100-R

Eaton Electronics

Cartridge Fuses S500 100MA 1K BG

Datasheet

600In Stock

£5.46

£4.53

£4.18

£3.47

View

Min.: 1
Mult.: 1

Varistors 50VAC 10% 10mm StandarD

B72210S0500K101
EPCOS / TDK
1: £0.217
4,650In Stock
9,000Expected 13/04/2026

Mfr. Part No.
B72210S0500K101

Mouser Part No
871-B72210S500K101

EPCOS / TDK

Varistors 50VAC 10% 10mm StandarD

Learn More

Datasheet

4,650In Stock

9,000Expected 13/04/2026

£0.217

£0.134

£0.115

£0.107

View

Min.: 1
Mult.: 1

Varistors 50VAC 10% 7mm StandarD

B72207S0500K101
EPCOS / TDK
1: £0.158
1,289In Stock
15,000Expected 23/03/2026

Mfr. Part No.
B72207S0500K101

Mouser Part No
871-B72207S500K101

EPCOS / TDK

Varistors 50VAC 10% 7mm StandarD

Learn More

Datasheet

1,289In Stock

15,000Expected 23/03/2026

£0.158

£0.093

£0.079

£0.072

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 10A FA

BK1/S500-10-R
Eaton Electronics
1: £0.841
721In Stock

Mfr. Part No.
BK1/S500-10-R

Mouser Part No
504-BK1-S500-10-R

Eaton Electronics

Cartridge Fuses S500 10A FA

Datasheet

721In Stock

£0.841

£0.78

£0.643

£0.594

View

Min.: 1
Mult.: 1

Cartridge Fuses S500 400mA FA

BK1/S500-400-R
Eaton Electronics
1: £1.07
1,117In Stock

Mfr. Part No.
BK1/S500-400-R

Mouser Part No
504-BK1-S500-400-R

Eaton Electronics

Cartridge Fuses S500 400mA FA

Datasheet

1,117In Stock

£1.07

£0.818

£0.683

£0.629

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support