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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: 362,143

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Part #

Connectorized Surge Protectors

P8AX09-N/FF/HE
Citel
1: $201.05
4In Stock
New At Mouser

Mfr. Part #
P8AX09-N/FF/HE

Mouser Part #
703-P8AX09-N/FF/HE

New At Mouser

Citel

Connectorized Surge Protectors

Datasheet

4In Stock

$201.05

$166.70

$157.31

$120.30

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R

SMBJ33A-E
Littelfuse
1: $0.663
2,083In Stock
New Product

Mfr. Part #
SMBJ33A-E

Mouser Part #
576-SMBJ33AE

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS SURF MT DO214AA - SMBJ33A 3K T&R

Datasheet

2,083In Stock

Cut Tape

$0.663

$0.35

$0.26

$0.198

Reel

$0.104

View

Min.: 1
Mult.: 1

: 3,000

Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI

PDG23G0150P2ML
Eaton Electrical
1: $2,778.02
1In Stock
New Product

Mfr. Part #
PDG23G0150P2ML

Mouser Part #
504-PDG23G0150P2ML

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,150A,35KA/480V,PXR25LSI

Datasheet

1In Stock

$2,778.02

$2,588.96

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW, 33V 5%,BIDIR,SMC TVS

SMC5K33CAHM3/I
Vishay
1: $2.37
6,927In Stock
New Product

Mfr. Part #
SMC5K33CAHM3/I

Mouser Part #
78-SMC5K33CAHM3/I

New Product

Vishay

ESD Protection Diodes / TVS Diodes 5KW, 33V 5%,BIDIR,SMC TVS

Learn More

Datasheet

6,927In Stock

Cut Tape

$2.37

$1.98

$1.56

$1.33

Reel

$1.24

View

Min.: 1
Mult.: 1

: 3,500

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

PDG23G0150TFFJ
Eaton Electrical
1: $1,316.32
3In Stock
New Product

Mfr. Part #
PDG23G0150TFFJ

Mouser Part #
504-PDG23G0150TFFJ

New Product

Eaton Electrical

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

Datasheet

3In Stock

$1,316.32

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: $3,847.06
1In Stock
New Product

Mfr. Part #
EVMAG332X

Mouser Part #
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

$3,847.06

View

Min.: 1
Mult.: 1

Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm

EGS3100FFG
Eaton Electrical
1: $1,544.22
3In Stock
New Product

Mfr. Part #
EGS3100FFG

Mouser Part #
504-EGS3100FFG

New Product

Eaton Electrical

Circuit Breakers E 3P 100A 40kA 415 35kA 480V FXD therm

Datasheet

3In Stock

$1,544.22

Min.: 1
Mult.: 1

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

NZMN1-A80-NA
Eaton Electrical
1: $2,252.51
2In Stock
New Product

Mfr. Part #
NZMN1-A80-NA

Mouser Part #
504-NZMN1-A80-NA

New Product

Eaton Electrical

Circuit Breakers UL/CSA/IEC SLASH RTD TM MCCB 80A 3P

Datasheet

2In Stock

$2,252.51

Min.: 1
Mult.: 1

Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU

PDG22K0125TFFJ
Eaton Electrical
1: $1,288.78
5In Stock
New Product

Mfr. Part #
PDG22K0125TFFJ

Mouser Part #
504-PDG22K0125TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,2P,125A,50KA/480V,FXFXTMTU

Datasheet

5In Stock

$1,288.78

Min.: 1
Mult.: 1

Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A

PDG3XPXR30600P2M
Eaton Electrical
1: $3,477.29
1In Stock
New Product

Mfr. Part #
PDG3XPXR30600P2M

Mouser Part #
504-PDG3XPXR30600P2M

New Product

Eaton Electrical

Circuit Breakers PDG3 PXR25 LSI THREE POLE 600A

Datasheet

1In Stock

$3,477.29

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW, 30V 5%,BIDIR,SMC TVS

SMC5K30CAHM3/I
Vishay
1: $2.37
5,179In Stock
New Product

Mfr. Part #
SMC5K30CAHM3/I

Mouser Part #
78-SMC5K30CAHM3/I

New Product

Vishay

ESD Protection Diodes / TVS Diodes 5KW, 30V 5%,BIDIR,SMC TVS

Learn More

Datasheet

5,179In Stock

Cut Tape

$2.37

$1.98

$1.56

$1.33

Reel

$1.24

View

Min.: 1
Mult.: 1

: 3,500

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

PDG33G0250B2NJ
Eaton Electrical
1: $3,337.63
1In Stock
New Product

Mfr. Part #
PDG33G0250B2NJ

Mouser Part #
504-PDG33G0250B2NJ

New Product

Eaton Electrical

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

Datasheet

1In Stock

$3,337.63

$3,110.48

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS

SMC5K54CAHM3/I
Vishay
1: $3.77
2,240In Stock
New Product

Mfr. Part #
SMC5K54CAHM3/I

Mouser Part #
78-SMC5K54CAHM3/I

New Product

Vishay

ESD Protection Diodes / TVS Diodes 5KW, 54V 5%,BIDIR,SMC TVS

Learn More

Datasheet

2,240In Stock

Cut Tape

$3.77

$2.44

$1.79

$1.52

$1.29

Reel

$1.22

Min.: 1
Mult.: 1

: 3,500

NTC Thermistors

NCP02WF104FB5RH
Murata Electronics
1: $0.169
40,229In Stock
New Product

Mfr. Part #
NCP02WF104FB5RH

Mouser Part #
81-NCP02WF104FB5RH

New Product

Murata Electronics

NTC Thermistors

Learn More

Datasheet

40,229In Stock

Cut Tape

$0.169

$0.146

$0.129

$0.105

View

Reel

$0.072

Min.: 1
Mult.: 1

: 20,000

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

3406.00.0037
HUBER+SUHNER
1: $345.09
54In Stock
New Product

Mfr. Part #
3406.00.0037

Mouser Part #
455-3406000037

New Product

HUBER+SUHNER

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

Learn More

Datasheet

54In Stock

$345.09

$312.43

$300.34

Min.: 1
Mult.: 1

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

FD3020
Eaton Electrical
1: $2,310.57
2In Stock
New Product

Mfr. Part #
FD3020

Mouser Part #
504-FD3020

New Product

Eaton Electrical

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

Datasheet

2In Stock

$2,310.57

Min.: 1
Mult.: 1

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: $3,001.90
1In Stock
New Product

Mfr. Part #
HM2P250J5

Mouser Part #
504-HM2P250J5

New Product

Eaton Electrical

Circuit Breakers 2P 250AMP HMCP

Datasheet

1In Stock

$3,001.90

$2,867.68

Min.: 1
Mult.: 1

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

PDG10F0080TFFJ
Eaton Electrical
1: $1,355.58
2In Stock
New Product

Mfr. Part #
PDG10F0080TFFJ

Mouser Part #
504-PDG10F0080TFFJ

New Product

Eaton Electrical

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

Datasheet

2In Stock

$1,355.58

Min.: 1
Mult.: 1

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

PDG33MH350MSAJ
Eaton Electrical
1: $4,905.71
1In Stock
New Product

Mfr. Part #
PDG33MH350MSAJ

Mouser Part #
504-PDG33MH350MSAJ

New Product

Eaton Electrical

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

Datasheet

1In Stock

$4,905.71

Min.: 1
Mult.: 1

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

FD3050VH09
Eaton Electrical
1: $2,533.58
2In Stock
New Product

Mfr. Part #
FD3050VH09

Mouser Part #
504-FD3050VH09

New Product

Eaton Electrical

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

Datasheet

2In Stock

$2,533.58

Min.: 1
Mult.: 1

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

PDG23F0200TFFJ
Eaton Electrical
1: $1,447.86
2In Stock
New Product

Mfr. Part #
PDG23F0200TFFJ

Mouser Part #
504-PDG23F0200TFFJ

New Product

Eaton Electrical

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

Datasheet

2In Stock

$1,447.86

Min.: 1
Mult.: 1

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

T9092B-CBSF
Eaton
1: $1,574.83
18In Stock
42On Order

Mfr. Part #
T9092B-CBSF

Mouser Part #
545-T9092B-CBSF

Eaton

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

Datasheet

18In Stock

42On Order

$1,574.83

$1,392.00

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: $121.45
26In Stock
New Product

Mfr. Part #
3-158-119

Mouser Part #
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

26In Stock

$121.45

$100.74

$92.92

$76.88

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600V 50A RoHS

0JTD050.TXR
Littelfuse
1: $81.28
58In Stock
New Product

Mfr. Part #
0JTD050.TXR

Mouser Part #
576-0JTD050.TXR

New Product

Littelfuse

Industrial & Electrical Fuses 600V 50A RoHS

Learn More

Datasheet

58In Stock

$81.28

$69.37

$64.17

$56.51

View

Min.: 1
Mult.: 1

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

3298080.ZXM10
Littelfuse
1: $15.70
354In Stock
New Product

Mfr. Part #
3298080.ZXM10

Mouser Part #
576-3298080.ZXM10

New Product

Littelfuse

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

Datasheet

354In Stock

$15.70

$15.16

$13.43

$10.83

View

Min.: 1
Mult.: 1

Circuit Protection

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