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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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Types of Circuit Protection

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Results: 359.646

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Part #

Industrial & Electrical Fuses FUSE BASE, LV HRC, 160A, 660V,1-POLE

3NH3030
Siemens
1: Rp2.369.386
6In Stock

Mfr. Part No.
3NH3030

Mouser Part No
982-3NH3030

Siemens

Industrial & Electrical Fuses FUSE BASE, LV HRC, 160A, 660V,1-POLE

Datasheet

6In Stock

Rp2.369.386

Rp2.112.725

Rp1.944.309

Rp1.733.697

View

Min.: 1
Mult.: 1

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A

QOU225H5283
Schneider Electric
1: Rp2.909.492
1In Stock
New At Mouser

Mfr. Part No.
QOU225H5283

Mouser Part No
996-QOU225H5283

New At Mouser

Schneider Electric

Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A

Datasheet

1In Stock

Rp2.909.492

Rp2.760.706

Rp2.721.446

Rp2.416.902

Min.: 1
Mult.: 1

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

GDT28H-110-B
Bourns
1: Rp42.196
201In Stock

Mfr. Part No.
GDT28H-110-B

Mouser Part No
652-GDT28H-110-B

Bourns

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V

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Datasheet

201In Stock

Rp42.196

Rp34.490

Rp27.702

Rp24.767

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Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

P4SMA30CAHE3_A/I
Vishay Semiconductors
1: Rp13.026
2.246In Stock
15.000Expected 02/09/2026

Mfr. Part No.
P4SMA30CAHE3_A/I

Mouser Part No
78-P4SMA30CAHE3_A/I

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS

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Datasheet

2.246In Stock

15.000Expected 02/09/2026

Cut Tape

Rp13.026

Rp8.054

Rp5.192

Rp3.963

Reel

Rp2.660

View

Min.: 1
Mult.: 1

: 7.500

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

P6SMB300AHM3_D/H
Vishay Semiconductors
1: Rp23.299
4.500In Stock

Mfr. Part No.
P6SMB300AHM3_D/H

Mouser Part No
78-P6SMB300AHM3DH

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS

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Datasheet

4.500In Stock

Cut Tape

Rp23.299

Rp14.585

Rp9.577

Rp7.467

Reel

Rp6.733

View

Min.: 1
Mult.: 1

: 750

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

SMBJ26AHE3_B/I
Vishay Semiconductors
1: Rp14.860
1.899In Stock

Mfr. Part No.
SMBJ26AHE3_B/I

Mouser Part No
78-SMBJ26AHE3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS

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Datasheet

1.899In Stock

Cut Tape

Rp14.860

Rp9.191

Rp5.926

Rp4.513

Reel

Rp3.486

View

Min.: 1
Mult.: 1

: 3.200

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

SMBJ5.0AHM3_B/I
Vishay Semiconductors
1: Rp17.062
6.386In Stock

Mfr. Part No.
SMBJ5.0AHM3_B/I

Mouser Part No
78-SMBJ5.0AHM3BI

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS

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Datasheet

6.386In Stock

Cut Tape

Rp17.062

Rp10.604

Rp6.861

Rp5.265

Reel

Rp4.091

View

MouseReel Available

Min.: 1
Mult.: 1

: 3.200

NTC (Negative Temperature Coefficient) Thermistors

NCP02XH103F05RH
Murata Electronics
1: Rp2.202
13.819In Stock
20.000Expected 08/03/2027
New Product

Mfr. Part No.
NCP02XH103F05RH

Mouser Part No
81-NCP02XH103F05RH

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

13.819In Stock

20.000Expected 08/03/2027

Cut Tape

Rp2.202

Rp1.761

Rp1.559

Rp1.303

View

Reel

Rp862

Min.: 1
Mult.: 1

: 20.000

NTC (Negative Temperature Coefficient) Thermistors

NCU15WF104FBSRC
Murata Electronics
1: Rp2.385
9.268In Stock
New Product

Mfr. Part No.
NCU15WF104FBSRC

Mouser Part No
81-NCU15WF104FBSRC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

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Datasheet

9.268In Stock

Rp2.385

Rp2.055

Rp1.816

Rp1.486

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Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15WM474E6SRC
Murata Electronics
1: Rp2.018
6.765In Stock
New Product

Mfr. Part No.
NCU15WM474E6SRC

Mouser Part No
81-NCU15WM474E6SRC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

6.765In Stock

Rp2.018

Rp1.578

Rp1.394

Rp1.192

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XV103E60RC
Murata Electronics
1: Rp2.202
5.723In Stock
New Product

Mfr. Part No.
NCU15XV103E60RC

Mouser Part No
81-NCU15XV103E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

5.723In Stock

Rp2.202

Rp2.036

Rp1.798

Rp1.468

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW222E6SRC
Murata Electronics
1: Rp2.018
9.990In Stock
New Product

Mfr. Part No.
NCU15XW222E6SRC

Mouser Part No
81-NCU15XW222E6SRC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.990In Stock

Rp2.018

Rp1.578

Rp1.394

Rp1.192

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors

NCU15XW472E60RC
Murata Electronics
1: Rp2.385
9.300In Stock
New Product

Mfr. Part No.
NCU15XW472E60RC

Mouser Part No
81-NCU15XW472E60RC

New Product

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

9.300In Stock

Rp2.385

Rp2.055

Rp1.816

Rp1.486

View

Min.: 1
Mult.: 1

Industrial Surge Protectors DC Surge Protector SPD I2R Indoor DIN-Rail 48 Vdc, Single-Mode SASD

1101-626
Transtector
1: Rp6.567.685
30In Stock
New At Mouser

Mfr. Part No.
1101-626

Mouser Part No
21-1101-626

New At Mouser

Transtector

Industrial Surge Protectors DC Surge Protector SPD I2R Indoor DIN-Rail 48 Vdc, Single-Mode SASD

Learn More

Datasheet

30In Stock

Rp6.567.685

Min.: 1
Mult.: 1

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz

3401.01.A
HUBER+SUHNER
1: Rp5.991.620
15In Stock
120On Order

Mfr. Part No.
3401.01.A

Mouser Part No
455-340101A

HUBER+SUHNER

Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz

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Datasheet

15In Stock

120On Order

Rp5.991.620

Rp5.685.976

Rp5.586.907

View

Min.: 1
Mult.: 1

Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93

2210-S211-P1M1-H111-20A
E-T-A
1: Rp4.530.178
15In Stock

Mfr. Part No.
2210-S211-P1M1-H111-20A

Mouser Part No
457-0S211P1M1H11120A

E-T-A

Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93

Learn More

Datasheet

15In Stock

Rp4.530.178

Rp3.754.692

Rp3.250.728

Rp3.111.482

Min.: 1
Mult.: 1

Circuit Breakers Single, two and three pole magnetic circuit breakers with trip-free mechanism and push/pull on/off manual actuation. A choice of fast magnetic only or hydraulically delayed switching characteristics (Stype MO or HM CBE to EN 60934) en

8340-G231-K4E1-A4H0-50A
E-T-A
1: Rp4.957.273
23In Stock

Mfr. Part No.
8340-G231-K4E1-A4H0-50A

Mouser Part No
457-231K4E14H050

E-T-A

Datasheet

23In Stock

Rp4.957.273

Rp4.108.770

Rp3.787.532

Rp3.129.094

Min.: 1
Mult.: 1

Circuit Breakers QCR Brk 2P 30A 240 Vac 10Kiac ring terms

QCR2030HT
Eaton Electrical
1: Rp12.599.849
3In Stock

Mfr. Part No.
QCR2030HT

Mouser Part No
504-QCR2030HT

Eaton Electrical

Circuit Breakers QCR Brk 2P 30A 240 Vac 10Kiac ring terms

Datasheet

3In Stock

Rp12.599.849

Rp10.437.590

Rp9.619.358

Min.: 1
Mult.: 1

Surface Mount Fuses Accu-Guard II Fuse F ast Speed

F1206B1R00FSTR
KYOCERA AVX
1: Rp29.354
2.436In Stock

Mfr. Part No.
F1206B1R00FSTR

Mouser Part No
581-F1206B1R00FSTR

KYOCERA AVX

Surface Mount Fuses Accu-Guard II Fuse F ast Speed

Learn More

Datasheet

2.436In Stock

Cut Tape

Rp29.354

Rp23.850

Rp19.630

Rp17.594

View

Reel

Rp11.668

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor

NTCALUGE2C90169
Vishay / BC Components
1: Rp45.315
4.530In Stock

Mfr. Part No.
NTCALUGE2C90169

Mouser Part No
594-2381-645-90169

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor

Learn More

Datasheet

4.530In Stock

Rp45.315

Rp37.059

Rp30.087

Rp27.886

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor

A1004RT24K1-F
TE Connectivity / Measurement Specialties
1: Rp319.587
257In Stock

Mfr. Part No.
A1004RT24K1-F

Mouser Part No
657-A1004RT24K1

TE Connectivity / Measurement Specialties

NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor

Datasheet

257In Stock

Rp319.587

Rp282.345

Rp252.991

Rp239.782

View

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1206 10K J62 B-35300

B57621C5103J62
TDK
1: Rp27.886
15.245In Stock

Mfr. Part No.
B57621C5103J62

Mouser Part No
871-B57621C5103J62

TDK

NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1206 10K J62 B-35300

Learn More

Datasheet

15.245In Stock

Cut Tape

Rp27.886

Rp20.914

Rp16.842

Rp15.833

View

Reel

Rp11.081

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET

KXT5MOE110-125
ABB
1: Rp28.270.452
8In Stock
New At Mouser

Mfr. Part No.
KXT5MOE110-125

Mouser Part No
894-KXT5MOE110-125

New At Mouser

ABB

Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET

Datasheet

8In Stock

Rp28.270.452

Min.: 1
Mult.: 1

Circuit Breakers MCB ST200M 2P C 20A UL1077

ST202M-C20
ABB
1: Rp2.358.929
39In Stock
New At Mouser

Mfr. Part No.
ST202M-C20

Mouser Part No
894-ST202M-C20

New At Mouser

ABB

Circuit Breakers MCB ST200M 2P C 20A UL1077

Learn More

Datasheet

39In Stock

Rp2.358.929

Rp2.046.496

Rp1.888.904

Rp1.722.506

View

Min.: 1
Mult.: 1

Circuit Breakers MCSW 3VA53 3P 400A 65KA

3VA53400BB310AA0
Siemens
1: Rp54.734.374
1In Stock

Mfr. Part No.
3VA53400BB310AA0

Mouser Part No
982-3VA53400BB310AA0

Siemens

Circuit Breakers MCSW 3VA53 3P 400A 65KA

Learn More

Datasheet

1In Stock

Rp54.734.374

Min.: 1
Mult.: 1

Circuit Protection

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