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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.
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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 3406.17.0027 HUBER+SUHNER 1: €148.41 10In Stock	Mfr. Part No. 3406.17.0027 Mouser Part No 455-3406170027	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	10In Stock	€148.41 €126.16 €120.18 View Quote	Min.: 1 Mult.: 1
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-3-7.5A E-T-A 1: €11.47 383In Stock	Mfr. Part No. 1620-3-7.5A Mouser Part No 457-1620-3-7.5A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	383In Stock	€11.47 €10.66 €9.43 €8.19 View €6.96 €6.56 €5.73 €5.53 Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors 800-2500MHz N type F/F LP-STR-NFF Amphenol Times Microwave Systems 1: €110.78 16In Stock	Mfr. Part No. LP-STR-NFF Mouser Part No 523-LP-STR-NFF	Amphenol Times Microwave Systems	Connectorised Surge Protectors 800-2500MHz N type F/F Learn More about Amphenol Times Microwave Systems amphenol times protect devices	Datasheet	16In Stock	€110.78 €98.99 €93.68 €90.15 View Quote	Min.: 1 Mult.: 1
Fuse Holder MINIFUSE HOLDER, 8 POS, MCP CONTACT 1801567-1 TE Connectivity 1: €8.63 1,247In Stock	Mfr. Part No. 1801567-1 Mouser Part No 571-1801567-1	TE Connectivity	Fuse Holder MINIFUSE HOLDER, 8 POS, MCP CONTACT	Datasheet	1,247In Stock	€8.63 €7.75 €7.40 €5.69 View €5.05 €4.56 €4.17 €4.03	Min.: 1 Mult.: 1
SCR Modules 1200 Volt 60 Amp 890 Amp IFSM Vishay Semiconductors VS-VSKH56/12 VS-VSKH56/12 Vishay Semiconductors 1: €38.77 69In Stock	Mfr. Part No. VS-VSKH56/12 Mouser Part No 844-VSKH56/12	Vishay Semiconductors	SCR Modules 1200 Volt 60 Amp 890 Amp IFSM	Datasheet	69In Stock	€38.77 €33.06 €29.25	Min.: 1 Mult.: 1
Varistors 20V 1200A 470000pF B72547E3200K000 TDK 1: €4.43 4,805In Stock 6,000Expected 01/12/2026	Mfr. Part No. B72547E3200K000 Mouser Part No 871-B72547E3200K000	TDK	Varistors 20V 1200A 470000pF Learn More about TDK automotive shcvs	Datasheet	4,805In Stock 6,000Expected 01/12/2026	€4.43 €2.86 €2.56 €2.22 View €2.11 €1.92 €1.63 €1.61	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag IEG111-1-61-20.0-A-01-V AIRPAX 1: €158.72 9In Stock	Mfr. Part No. IEG111-1-61-20.0-A-01-V Mouser Part No 874-IEG111161200A01V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	9In Stock	€158.72	Min.: 1 Mult.: 1
Circuit Breaker Accessories BREAKER MC FLANGE MAX-FLEX HDL FHOHS Siemens 1: €855.87 2In Stock	Mfr. Part No. FHOHS Mouser Part No 982-FHOHS	Siemens	Circuit Breaker Accessories BREAKER MC FLANGE MAX-FLEX HDL	Datasheet	2In Stock	€855.87	Min.: 1 Mult.: 1
Fuse Holder Accessories M10 Insulated Stud 908-082 Littelfuse 1: €5.31 82In Stock	Mfr. Part No. 908-082 Mouser Part No 576-908-082	Littelfuse	Fuse Holder Accessories M10 Insulated Stud	Datasheet	82In Stock	€5.31 €4.97 €4.79 €3.73 View €3.02 €2.89 €2.79	Min.: 1 Mult.: 1
Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201 F0201G0R07FNTR\500 KYOCERA AVX 1: €0.611 4,320In Stock	Mfr. Part No. F0201G0R07FNTR\500 Mouser Part No 581-F0201G0R07FNTR\5	KYOCERA AVX	Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201 Learn More about KYOCERA AVX avx accu guard low current fuses	Datasheet	4,320In Stock	Cut Tape €0.611 €0.493 €0.415 €0.365 Reel €0.301 View €0.328 €0.278 €0.256 €0.224 MouseReel Available	Min.: 1 Mult.: 1 : 500
NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm Vishay NTCAFLEX05103GL NTCAFLEX05103GL Vishay 1: €2.61 179In Stock	Mfr. Part No. NTCAFLEX05103GL Mouser Part No 594-NTCAFLEX05103GL	Vishay	NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm Learn More about Vishay _NTCAFLEX05	Datasheet	179In Stock	€2.61 €1.96 €1.74 €1.65 View €1.60 €1.39 €1.32 €1.28	Min.: 1 Mult.: 1
Fuse Holder CFB1 FUSE BLOCK 150A FUSE CFB1-150 Bourns 1: €63.14 7In Stock 40Expected 28/12/2026	Mfr. Part No. CFB1-150 Mouser Part No 652-CFB1-150	Bourns	Fuse Holder CFB1 FUSE BLOCK 150A FUSE Learn More about Bourns cfb riedon fuse blocks	Datasheet	7In Stock 40Expected 28/12/2026	€63.14 €52.87 €49.31 €39.41 View €38.27 €37.78	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS Vishay Semiconductors SMB10J12AHE3_B/H SMB10J12AHE3_B/H Vishay Semiconductors 1: €1.24 2,383In Stock	Mfr. Part No. SMB10J12AHE3_B/H Mouser Part No 78-SMB10J12AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,383In Stock	Cut Tape €1.24 €0.773 €0.507 €0.372 Reel €0.339 €0.257	Min.: 1 Mult.: 1 : 750
NTC (Negative Temperature Coefficient) Thermistors NCU15XW153E60RC Murata Electronics 1: €0.112 9,259In Stock	Mfr. Part No. NCU15XW153E60RC Mouser Part No 81-NCU15XW153E60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,259In Stock	€0.112 €0.096 €0.085 €0.07 View €0.061 €0.058 €0.052 €0.049 €0.044	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW222J60RC Murata Electronics 1: €0.112 9,982In Stock	Mfr. Part No. NCU15XW222J60RC Mouser Part No 81-NCU15XW222J60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,982In Stock	€0.112 €0.096 €0.085 €0.07 View €0.061 €0.058 €0.052 €0.049 €0.046	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW223J60RC Murata Electronics 1: €0.112 9,998In Stock	Mfr. Part No. NCU15XW223J60RC Mouser Part No 81-NCU15XW223J60RC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu ntc thermistors	Datasheet	9,998In Stock	€0.112 €0.096 €0.085 €0.07 View €0.061 €0.058 €0.052 €0.049 €0.044	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors NCU15XW223J6SRC Murata Electronics 1: €0.095 9,520In Stock	Mfr. Part No. NCU15XW223J6SRC Mouser Part No 81-NCU15XW223J6SRC	Murata Electronics	NTC (Negative Temperature Coefficient) Thermistors Learn More about Murata Electronics murata ncu auto thermistors	Datasheet	9,520In Stock	€0.095 €0.074 €0.065 €0.056 View €0.049 €0.046 €0.042 €0.037 €0.036	Min.: 1 Mult.: 1
Industrial Surge Protectors DC Surge Protector SPD I2R Indoor DIN-Rail 48 Vdc, Single-Mode SASD 1101-626 Transtector 1: €307.87 25In Stock Restricted Availability 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 about Transtector i2r indoor din rail dc spds Product available only to OEM/EMS and design business customers. Product is not shipped to consumers in the EU or the UK	Datasheet	25In Stock	€307.87	Min.: 1 Mult.: 1 Restricted Availability
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz 3402.17.K HUBER+SUHNER 1: €437.86 29In Stock	Mfr. Part No. 3402.17.K Mouser Part No 455-340217K	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	29In Stock	€437.86 €314.00 View Quote	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor NTCALUGE2C90169 Vishay / BC Components 1: €2.12 4,339In 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 about Vishay / BC Components vishayntcalug	Datasheet	4,339In Stock	€2.12 €1.74 €1.41 €1.31 View €1.25 €1.24 €1.09 €1.05 €0.972	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor A1004RT24K1-F TE Connectivity / Measurement Specialties 1: €14.99 317In Stock 65Expected 03/11/2026	Mfr. Part No. A1004RT24K1-F Mouser Part No 657-A1004RT24K1	TE Connectivity / Measurement Specialties	NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor	Datasheet	317In Stock 65Expected 03/11/2026	€14.99 €13.24 €11.87 €11.25 View €10.41 €9.68 €9.52 €8.93 €8.88	Min.: 1 Mult.: 1
Circuit Breakers PP11-2-5.00A-OA-V AIRPAX 1: €17.71 93In Stock New At Mouser	Mfr. Part No. PP11-2-5.00A-OA-V Mouser Part No 874-PP112500AOAV New At Mouser	AIRPAX	Circuit Breakers	Datasheet	93In Stock	€17.71	Min.: 1 Mult.: 1
Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 F202AC-40/0.1 ABB 1: €580.68 3In Stock	Mfr. Part No. F202AC-40/0.1 Mouser Part No 894-F202AC-40/0.1	ABB	Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 Learn More about ABB f200 circuit breakers	Datasheet	3In Stock	€580.68 €513.93 €463.11 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MCSW 3VA53 3P 400A 65KA 3VA53400BB310AA0 Siemens 1: €2,731.13 1In Stock	Mfr. Part No. 3VA53400BB310AA0 Mouser Part No 982-3VA53400BB310AA0	Siemens	Circuit Breakers MCSW 3VA53 3P 400A 65KA Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	€2,731.13	Min.: 1 Mult.: 1
Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 3VA62256HL360AA0 Siemens 1: €3,598.83 1In Stock	Mfr. Part No. 3VA62256HL360AA0 Mouser Part No 982-3VA62256HL360AA0	Siemens	Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	€3,598.83	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection