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Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 362,125

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Part #

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

3406.00.0037
HUBER+SUHNER
1: $361.01
54In Stock
New Product

Mfr. Part No.
3406.00.0037

Mouser Part No
455-3406000037

New Product

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology

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Datasheet

54In Stock

$361.01

$326.85

$314.20

Min.: 1
Mult.: 1

Circuit Breakers TYPE FD BRK 3P 20A 600VAC MAX 18K AIC

FD3020
Eaton Electrical
1: $2,417.21
2In Stock
New Product

Mfr. Part No.
FD3020

Mouser Part No
504-FD3020

New Product

Eaton Electrical

Circuit Breakers TYPE FD BRK 3P 20A 600VAC MAX 18K AIC

Datasheet

2In Stock

$2,417.21

Min.: 1
Mult.: 1

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: $3,140.44
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

$3,140.44

$3,000.04

Min.: 1
Mult.: 1

Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU

PDG10F0080TFFJ
Eaton Electrical
1: $1,418.14
2In Stock
New Product

Mfr. Part No.
PDG10F0080TFFJ

Mouser Part No
504-PDG10F0080TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

$1,418.14

Min.: 1
Mult.: 1

Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION

PDG33MH350MSAJ
Eaton Electrical
1: $5,132.12
1In Stock
New Product

Mfr. Part No.
PDG33MH350MSAJ

Mouser Part No
504-PDG33MH350MSAJ

New Product

Eaton Electrical

Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION

Datasheet

1In Stock

$5,132.12

Min.: 1
Mult.: 1

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

T9092B-CBSF
Eaton
1: $1,647.52
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

$1,647.52

$1,456.25

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Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

PDG23G0150TFFJ
Eaton Electrical
1: $1,377.07
3In Stock
New Product

Mfr. Part No.
PDG23G0150TFFJ

Mouser Part No
504-PDG23G0150TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

Datasheet

3In Stock

$1,377.07

Min.: 1
Mult.: 1

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

QCHW3100HT
Eaton Electrical
1: $1,967.58
Non-Stocked Lead-Time 4 Weeks
New Product

Mfr. Part No.
QCHW3100HT

Mouser Part No
504-QCHW3100HT

New Product

Eaton Electrical

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

Datasheet

Non-Stocked Lead-Time 4 Weeks

$1,967.58

Min.: 1
Mult.: 1

Power Outlet Strips 3-Phase Managed Rack PDU G4 240/415V 42 Outlets 24A/32A 17.3kW 532P6W Input 10ft. Cord 0U Vertical TAA

EVMAG332X
Eaton
1: $4,024.62
1In Stock
New Product

Mfr. Part No.
EVMAG332X

Mouser Part No
545-EVMAG332X

New Product

Eaton

Power Outlet Strips 3-Phase Managed Rack PDU G4 240/415V 42 Outlets 24A/32A 17.3kW 532P6W Input 10ft. Cord 0U Vertical TAA

Datasheet

1In Stock

$4,024.62

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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: $127.05
26In Stock
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

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Datasheet

26In Stock

$127.05

$105.39

$97.21

$80.43

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes Dataline Protection PP X1-DFN1006-2 T&R 10K

D3V3Z1B2LPQ-7B
Diodes Incorporated
1: $0.476
64,221In Stock
New Product

Mfr. Part No.
D3V3Z1B2LPQ-7B

Mouser Part No
621-D3V3Z1B2LPQ-7B

New Product

Diodes Incorporated

ESD Protection Diodes / TVS Diodes Dataline Protection PP X1-DFN1006-2 T&R 10K

Datasheet

64,221In Stock

Cut Tape

$0.476

$0.325

$0.159

$0.133

Reel

$0.063

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

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

3298080.ZXM10
Littelfuse
1: $16.43
330In 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

330In Stock

$16.43

$15.86

$14.05

$11.33

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600V 50A RoHS

0JTD050.TXR
Littelfuse
1: $85.03
58In Stock
New Product

Mfr. Part No.
0JTD050.TXR

Mouser Part No
576-0JTD050.TXR

New Product

Littelfuse

Industrial & Electrical Fuses 600V 50A RoHS

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Datasheet

58In Stock

$85.03

$72.57

$67.13

$59.12

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Min.: 1
Mult.: 1

Fuse Holder FUSE BLOCK SD ATO 4-WAY W/LED

880021
Littelfuse
1: $36.68
266In Stock
New Product

Mfr. Part No.
880021

Mouser Part No
691-880021

New Product

Littelfuse

Fuse Holder FUSE BLOCK SD ATO 4-WAY W/LED

Datasheet

266In Stock

$36.68

$31.66

$27.73

$22.05

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

PTVS1-029C-H
Bourns
1: $5.94
7,539In Stock

Mfr. Part No.
PTVS1-029C-H

Mouser Part No
652-PTVS1-029C-H

Bourns

ESD Protection Diodes / TVS Diodes 1KA high current bidirectional TVS diodes

Learn More

Datasheet

7,539In Stock

Cut Tape

$5.94

$4.13

$3.55

$3.44

$3.14

Reel

$3.10

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

SMAJE33AH
Eaton Electronics
1: $0.585
2,611In 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

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Datasheet

2,611In Stock

Cut Tape

$0.585

$0.377

$0.223

$0.169

Reel

$0.114

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: $89.41
9In 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

9In Stock

$89.41

$74.17

$68.42

$56.63

View

Min.: 1
Mult.: 1

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

CPDE5V0U-HF
Comchip Technology
1: $0.49
5,283In 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

5,283In Stock

Cut Tape

$0.49

$0.345

$0.219

$0.135

Reel

$0.067

View

Min.: 1
Mult.: 1

: 8,000

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

LT340032
Eaton Electrical
1: $5,283.29
1In Stock
New Product

Mfr. Part No.
LT340032

Mouser Part No
504-LT340032

New Product

Eaton Electrical

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

1In Stock

$5,283.29

Min.: 1
Mult.: 1

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

FDB3020L
Eaton Electrical
1: $1,743.97
1In Stock
New Product

Mfr. Part No.
FDB3020L

Mouser Part No
504-FDB3020L

New Product

Eaton Electrical

Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD

Datasheet

1In Stock

$1,743.97

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

NTCLE213E3103FHT1A
Vishay / BC Components
1: $2.35
1,245In Stock
1,500Expected 17/8/2026
New Product

Mfr. Part No.
NTCLE213E3103FHT1A

Mouser Part No
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

Datasheet

1,245In Stock

1,500Expected 17/8/2026

$2.35

$1.77

$1.41

$1.33

View

Min.: 1
Mult.: 1

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

CFB1-150
Bourns
1: $97.80
27In Stock
New Product

Mfr. Part No.
CFB1-150

Mouser Part No
652-CFB1-150

New Product

Bourns

Fuse Holder CFB1 FUSE BLOCK 150A FUSE

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Datasheet

27In Stock

$97.80

$82.69

$77.96

$60.51

$60.00

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

VESD29D1-HD1HG3-08
Vishay
1: $0.694
9,750In Stock
New Product

Mfr. Part No.
VESD29D1-HD1HG3-08

Mouser Part No
78-VESD29D1-HD1H3-08

New Product

Vishay

ESD Protection Diodes / TVS Diodes ESD PROTECTION DIODE DFN1006-2A

9,750In Stock

Cut Tape

$0.694

$0.491

$0.239

$0.20

Reel

$0.092

View

Min.: 1
Mult.: 1

: 10,000

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW153E60RC
Murata Electronics
1: $0.177
9,495In Stock
New Product

Mfr. Part No.
NCU15XW153E60RC

Mouser Part No
81-NCU15XW153E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,495In Stock

$0.177

$0.152

$0.135

$0.11

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222J60RC
Murata Electronics
1: $0.177
9,990In Stock
New Product

Mfr. Part No.
NCU15XW222J60RC

Mouser Part No
81-NCU15XW222J60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9,990In Stock

$0.177

$0.152

$0.135

$0.11

View

Min.: 1
Mult.: 1

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