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

Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
More...

Please view our selection of circuit protection devices below.

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

Types of Circuit Protection

List Images

Results: 360.061

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 #

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

PDG23F0200TFFJ
Eaton Electrical
1: 1.081,87 €
2In Stock
2Expected 10/19/2026
New Product

Mfr. Part No.
PDG23F0200TFFJ

Mouser Part No
504-PDG23F0200TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

2Expected 10/19/2026

1.081,87 €

Min.: 1
Mult.: 1

Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11

T9092B-CBSF
Eaton
1: 1.041,81 €
18In Stock
42On Order

Mfr. Part No.
T9092B-CBSF

Mouser Part No
545-T9092B-CBSF

Eaton

Power Outlet Strips EA BA PDU 1U, C20 INPUT, 3.33 KW MAX, 11

Datasheet

18In Stock

42On Order

1.041,81 €

920,86 €

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses APO Rated current: 400A, Rated voltage: 1000VDC, Trigger Type: active, Mounting: Bolt-on A, ConType: AK2-1

3-158-119
Schurter
1: 80,34 €
14In Stock
36Expected 1/22/2027
New Product

Mfr. Part No.
3-158-119

Mouser Part No
693-3-158-119

New Product

Schurter

Industrial & Electrical Fuses APO Rated current: 400A, Rated voltage: 1000VDC, Trigger Type: active, Mounting: Bolt-on A, ConType: AK2-1

Learn More

Datasheet

14In Stock

36Expected 1/22/2027

80,34 €

66,64 €

61,47 €

50,86 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

TTS-1KC3-BG
CTS Electronic Components
1: 1,93 €
496In Stock
New Product

Mfr. Part No.
TTS-1KC3-BG

Mouser Part No
774-TTS1KC3BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977, uninsulated wire

Learn More

Datasheet

496In Stock

1,93 €

1,66 €

1,58 €

1,44 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977

TTDO-10KC3-8
CTS Electronic Components
1: 1,13 €
482In Stock
New Product

Mfr. Part No.
TTDO-10KC3-8

Mouser Part No
774-TTDO10KC38

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 10k, DO-35 glass NTC, B3977

Learn More

Datasheet

482In Stock

1,13 €

0,972 €

0,92 €

0,842 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C

TT2-2.186KC7L-1
CTS Electronic Components
1: 3,11 €
500In Stock
New Product

Mfr. Part No.
TT2-2.186KC7L-1

Mouser Part No
774-TT22.186KC7L1

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 2.186K +/-1% Glass Bead, B3390,300C

Learn More

Datasheet

500In Stock

3,11 €

2,68 €

2,55 €

2,43 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C

TT2-30KC5-3
CTS Electronic Components
1: 2,12 €
497In Stock
New Product

Mfr. Part No.
TT2-30KC5-3

Mouser Part No
774-TT230KC53

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 30K +/-1% Glass Bead, B3990, 300C

Learn More

Datasheet

497In Stock

2,12 €

1,83 €

1,74 €

1,58 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

VCAN33A2-03GHE3A08
Vishay
1: 0,404 €
19.029In Stock
New Product

Mfr. Part No.
VCAN33A2-03GHE3A08

Mouser Part No
78-VCAN33A2-03HE3A08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE SOT323

Datasheet

19.029In Stock

Cut Tape

0,404 €

0,275 €

0,156 €

0,123 €

Reel

0,087 €

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC

3298080.ZXM10
Littelfuse
1: 10,39 €
337In Stock
New Product

Mfr. Part No.
3298080.ZXM10

Mouser Part No
576-3298080.ZXM10

New Product

Littelfuse

Automotive Fuses FUSE - ZCASE MEGA 32V M10 80A 480 PC

Datasheet

337In Stock

10,39 €

10,03 €

8,88 €

7,16 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0-HF
Comchip Technology
1: 0,31 €
4.352In Stock
New Product

Mfr. Part No.
CPDE5V0-HF

Mouser Part No
750-CPDE5V0-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD BI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

4.352In Stock

Cut Tape

0,31 €

0,218 €

0,138 €

0,085 €

Reel

0,042 €

View

Min.: 1
Mult.: 1

: 8.000

NTC (Negative Temperature Coefficient) Thermistors 3K, +/-0.2C: 0C-70C, B3977, uninsulated wire

TTS-3KC3-BG
CTS Electronic Components
1: 1,93 €
500In Stock
New Product

Mfr. Part No.
TTS-3KC3-BG

Mouser Part No
774-TTS3KC3BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 3K, +/-0.2C: 0C-70C, B3977, uninsulated wire

Learn More

Datasheet

500In Stock

1,93 €

1,66 €

1,58 €

1,44 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 20K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

TTS-20KC6-BZ
CTS Electronic Components
1: 2,07 €
386In Stock
114Expected 11/12/2026
New Product

Mfr. Part No.
TTS-20KC6-BZ

Mouser Part No
774-TTS20KC6BZ

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 20K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

Learn More

Datasheet

386In Stock

114Expected 11/12/2026

2,07 €

1,79 €

1,69 €

1,54 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

CPDE5V0U-HF
Comchip Technology
1: 0,31 €
5.193In Stock
New Product

Mfr. Part No.
CPDE5V0U-HF

Mouser Part No
750-CPDE5V0U-HF

New Product

Comchip Technology

ESD Protection Diodes / TVS Diodes DIODE ESD UNI-DIRECTIONAL 5VWM 5A SOD-723

Learn More

Datasheet

5.193In Stock

Cut Tape

0,31 €

0,218 €

0,138 €

0,085 €

Reel

0,042 €

View

Min.: 1
Mult.: 1

: 8.000

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: 1.985,87 €
1In Stock
New Product

Mfr. Part No.
HM2P250J5

Mouser Part No
504-HM2P250J5

New Product

Eaton Electrical

Circuit Breakers 2P 250AMP HMCP

Datasheet

1In Stock

1.985,87 €

1.897,08 €

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

TTS-50KC6-BZ
CTS Electronic Components
1: 2,07 €
250In Stock
New Product

Mfr. Part No.
TTS-50KC6-BZ

Mouser Part No
774-TTS50KC6BZ

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 50K, +/-0.2C: 0C-70C, B4260, Teflon insulated wire

Learn More

Datasheet

250In Stock

2,07 €

1,79 €

1,69 €

1,54 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories LATCH CHECK SWITCH

699B147G01
Eaton Electrical
1: 1.054,64 €
5In Stock
New Product

Mfr. Part No.
699B147G01

Mouser Part No
504-699B147G01

New Product

Eaton Electrical

Circuit Breaker Accessories LATCH CHECK SWITCH

Datasheet

5In Stock

1.054,64 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

SMAJE33AH
Eaton Electronics
1: 0,37 €
2.984In Stock
New Product

Mfr. Part No.
SMAJE33AH

Mouser Part No
504-MAJE33AH

New Product

Eaton Electronics

ESD Protection Diodes / TVS Diodes AUTO TVS DIODE, SMAJE FAMILY, 33Vdc, Uni

Learn More

Datasheet

2.984In Stock

Cut Tape

0,37 €

0,238 €

0,141 €

0,107 €

Reel

0,072 €

View

Min.: 1
Mult.: 1

: 5.000

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

CA1-P0-D6-812-321-MT
Carling Technologies
1: 56,54 €
8In Stock
New Product

Mfr. Part No.
CA1-P0-D6-812-321-MT

Mouser Part No
691-CA1-P0D6812321MT

New Product

Carling Technologies

Circuit Breakers C Series 120A DC Hydraulic/Magnetic Circuit Breaker, UL489A, Black Handle

Datasheet

8In Stock

56,54 €

46,90 €

43,27 €

35,81 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977,Teflon insulated wire

TTS-1KC3-BZ
CTS Electronic Components
1: 2,07 €
500In Stock
New Product

Mfr. Part No.
TTS-1KC3-BZ

Mouser Part No
774-TTS1KC3BZ

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 1K, +/-0.2C: 0C-70C, B3977,Teflon insulated wire

Learn More

Datasheet

500In Stock

2,07 €

1,79 €

1,69 €

1,54 €

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B3942, uninsulated wire

TTS-30KC5-BG
CTS Electronic Components
1: 1,93 €
249In Stock
251Expected 11/12/2026
New Product

Mfr. Part No.
TTS-30KC5-BG

Mouser Part No
774-TTS30KC5BG

New Product

CTS Electronic Components

NTC (Negative Temperature Coefficient) Thermistors 30K, +/-0.2C: 0C-70C, B3942, uninsulated wire

Learn More

Datasheet

249In Stock

251Expected 11/12/2026

1,93 €

1,66 €

1,58 €

1,44 €

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories PD AUX&ALM SW, 1NO/1NC, PIGTAIL-3 METERS

PDGXDC
Eaton Electrical
1: 219,26 €
11In Stock
New Product

Mfr. Part No.
PDGXDC

Mouser Part No
504-PDGXDC

New Product

Eaton Electrical

Circuit Breaker Accessories PD AUX&ALM SW, 1NO/1NC, PIGTAIL-3 METERS

Datasheet

11In Stock

219,26 €

181,72 €

167,51 €

138,39 €

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX

REX22D-TD1-100-DC24V-10A/16A/20A-E
E-T-A
1: 79,24 €
8In Stock
New Product

Mfr. Part No.
REX22D-TD1-100-DC24V-10A/16A/20A-E

Mouser Part No
457-REX22DTD1101620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-16-20,ATX

Learn More

Datasheet

8In Stock

79,24 €

65,47 €

64,53 €

60,85 €

Min.: 1
Mult.: 1

Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K

BR210
Eaton Electrical
1: 139,36 €
5In Stock
New Product

Mfr. Part No.
BR210

Mouser Part No
504-BR210

New Product

Eaton Electrical

Circuit Breakers Type BR Breaker 10A/2 Pole 120/240V 10K

Datasheet

5In Stock

139,36 €

115,56 €

107,68 €

88,68 €

82,35 €

Min.: 1
Mult.: 1

Circuit Breakers CL 30A/1Pole 120/240V 10K

CL130
Eaton Electrical
1: 69,34 €
5In Stock
New Product

Mfr. Part No.
CL130

Mouser Part No
504-CL130

New Product

Eaton Electrical

Circuit Breakers CL 30A/1Pole 120/240V 10K

Datasheet

5In Stock

69,34 €

57,52 €

49,45 €

43,53 €

View

Min.: 1
Mult.: 1

Circuit Breakers CL bkr 40A/1Pole 120/240V 10K

CL140
Eaton Electrical
1: 69,34 €
5In Stock
New Product

Mfr. Part No.
CL140

Mouser Part No
504-CL140

New Product

Eaton Electrical

Circuit Breakers CL bkr 40A/1Pole 120/240V 10K

Datasheet

5In Stock

69,34 €

57,52 €

49,45 €

43,53 €

View

Min.: 1
Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support