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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: 362,009

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Part #

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

PDG23F0200TFFJ
Eaton Electrical
1: £836.18
2In Stock
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

£836.18

Min.: 1
Mult.: 1

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

PDG23G0150TFFJ
Eaton Electrical
1: £760.20
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

£760.20

Min.: 1
Mult.: 1

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

QCHW3100HT
Eaton Electrical
1: £1,086.20
2In Stock
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

2In Stock

£1,086.20

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: £2,221.77
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

£2,221.77

View

Min.: 1
Mult.: 1

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

EGS3100FFG
Eaton Electrical
1: £950.67
3In Stock
New Product

Mfr. Part No.
EGS3100FFG

Mouser Part No
504-EGS3100FFG

New Product

Eaton Electrical

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

Datasheet

3In Stock

£950.67

Min.: 1
Mult.: 1

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

PDG22K0125TFFJ
Eaton Electrical
1: £744.30
1In Stock
4On Order
New Product

Mfr. Part No.
PDG22K0125TFFJ

Mouser Part No
504-PDG22K0125TFFJ

New Product

Eaton Electrical

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

Datasheet

1In Stock

4On Order

£744.30

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors ICL PTC EL LDD 16D5 75R 500 165 T E3

PTCEL67R750LTE
Vishay / BC Components
1: £2.48
1,435In Stock
New Product

Mfr. Part No.
PTCEL67R750LTE

Mouser Part No
594-PTCEL67R750LTE

New Product

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors ICL PTC EL LDD 16D5 75R 500 165 T E3

Learn More

Datasheet

1,435In Stock

Cut Tape

£2.48

£2.07

£1.90

£1.82

Reel

£1.58

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

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

SMC5K30CAHM3/I
Vishay
1: £1.37
5,179In Stock
New Product

Mfr. Part No.
SMC5K30CAHM3/I

Mouser Part No
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

£1.37

£1.14

£0.899

£0.766

Reel

£0.613

View

Min.: 1
Mult.: 1

: 3,500

NTC (Negative Temperature Coefficient) Thermistors

NCP02WF104FB5RH
Murata Electronics
1: £0.098
40,229In Stock
New Product

Mfr. Part No.
NCP02WF104FB5RH

Mouser Part No
81-NCP02WF104FB5RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

40,229In Stock

Cut Tape

£0.098

£0.084

£0.074

£0.061

View

Reel

£0.041

Min.: 1
Mult.: 1

: 20,000

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

3406.00.0037
HUBER+SUHNER
1: £199.30
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

Learn More

Datasheet

54In Stock

£199.30

£180.43

£173.46

Min.: 1
Mult.: 1

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

FD3020
Eaton Electrical
1: £1,334.41
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

£1,334.41

Min.: 1
Mult.: 1

Circuit Breakers 2P 250AMP HMCP

HM2P250J5
Eaton Electrical
1: £1,733.66
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

£1,733.66

£1,656.15

Min.: 1
Mult.: 1

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

PDG10F0080TFFJ
Eaton Electrical
1: £782.88
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

£782.88

Min.: 1
Mult.: 1

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

PDG33MH350MSAJ
Eaton Electrical
1: £2,833.16
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

£2,833.16

Min.: 1
Mult.: 1

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

PDG23G0150P2ML
Eaton Electrical
1: £1,604.37
1Expected 31/07/2026
New Product

Mfr. Part No.
PDG23G0150P2ML

Mouser Part No
504-PDG23G0150P2ML

New Product

Eaton Electrical

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

Datasheet

1Expected 31/07/2026

£1,604.37

£1,502.33

Min.: 1
Mult.: 1

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

SMC5K33CAHM3/I
Vishay
1: £1.37
3,445In Stock
3,500Expected 31/07/2026
New Product

Mfr. Part No.
SMC5K33CAHM3/I

Mouser Part No
78-SMC5K33CAHM3/I

New Product

Vishay

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

Learn More

Datasheet

3,445In Stock

3,500Expected 31/07/2026

Cut Tape

£1.37

£1.14

£0.899

£0.766

Reel

£0.716

View

Min.: 1
Mult.: 1

: 3,500

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

PDG33G0250B2NJ
Eaton Electrical
1: £1,927.56
1In Stock
New Product

Mfr. Part No.
PDG33G0250B2NJ

Mouser Part No
504-PDG33G0250B2NJ

New Product

Eaton Electrical

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

Datasheet

1In Stock

£1,927.56

£1,804.95

Min.: 1
Mult.: 1

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

SMC5K54CAHM3/I
Vishay
1: £2.17
2,240In Stock
New Product

Mfr. Part No.
SMC5K54CAHM3/I

Mouser Part No
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

£2.17

£1.41

£1.04

£0.882

Reel

£0.706

View

Min.: 1
Mult.: 1

: 3,500

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

T9092B-CBSF
Eaton
1: £909.50
3In Stock
57On 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

3In Stock

57On Order

£909.50

£803.91

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: £70.14
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

Learn More

Datasheet

26In Stock

£70.14

£58.18

£53.66

£44.40

View

Min.: 1
Mult.: 1

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

3298080.ZXM10
Littelfuse
1: £9.07
357In 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

357In Stock

£9.07

£8.76

£7.75

£6.25

View

Min.: 1
Mult.: 1

Industrial & Electrical Fuses 600V 50A RoHS

0JTD050.TXR
Littelfuse
1: £46.94
58In Stock
New Product

Mfr. Part No.
0JTD050.TXR

Mouser Part No
576-0JTD050.TXR

New Product

Littelfuse

Industrial & Electrical Fuses 600V 50A RoHS

Learn More

Datasheet

58In Stock

£46.94

£40.06

£37.06

£32.63

View

Min.: 1
Mult.: 1

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

880021
Littelfuse
1: £20.24
272In 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

272In Stock

£20.24

£17.48

£15.31

£12.17

View

Min.: 1
Mult.: 1

Cartridge Fuses 50A, 800VDC, Through hole, AEC-Q200

0827050.ZXISOP
Littelfuse
1: £31.45
228In Stock Restricted Availability
New Product

Mfr. Part No.
0827050.ZXISOP

Mouser Part No
576-0827050.ZXISOP

New Product

Littelfuse

Cartridge Fuses 50A, 800VDC, Through hole, AEC-Q200

Learn More

Datasheet

228In Stock

£31.45

£26.09

£24.06

£20.15

View

Min.: 1
Mult.: 1

Restricted Availability

Fuse Holder FUSE BLOCK ST ATO 12-WAY W/GROUND BUS

880028
Littelfuse
1: £73.74
49In Stock
30Expected 01/01/2027
New Product

Mfr. Part No.
880028

Mouser Part No
691-880028

New Product

Littelfuse

Fuse Holder FUSE BLOCK ST ATO 12-WAY W/GROUND BUS

Datasheet

49In Stock

30Expected 01/01/2027

£73.74

£61.16

£44.51

£42.38

Min.: 1
Mult.: 1

Circuit Protection

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