.hide-partial { max-height: none; } .show-more { display: none; }

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.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 375,794

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors 550VAC 10% 25mm SuperioR B72225S4551K101 TDK 1: $4.11 835In Stock	Mfr. Part No. B72225S4551K101 Mouser Part No 871-B72225S4551K101	TDK	Varistors 550VAC 10% 25mm SuperioR Learn More about TDK epcosvaristors	Datasheet	835In Stock	$4.11 $3.32 $3.16 $2.77 View $2.70 $2.69 $2.64	Min.: 1 Mult.: 1
Varistors 0603 5.6V Ceradiode B72500D0050H160 TDK 1: $0.12 46,130In Stock	Mfr. Part No. B72500D0050H160 Mouser Part No 871-B72500D0050H160	TDK	Varistors 0603 5.6V Ceradiode Learn More about TDK epcosvaristors	Datasheet	46,130In Stock	Cut Tape $0.12 $0.07 $0.062 $0.056 Reel $0.056 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Varistors 1206 25Vrms 200A B72520E0250K062 TDK 1: $0.57 18,000In Stock	Mfr. Part No. B72520E0250K062 Mouser Part No 871-B72520E0250K062	TDK	Varistors 1206 25Vrms 200A Learn More about TDK automotive multilayer varistors	Datasheet	18,000In Stock	Cut Tape $0.57 $0.398 $0.326 $0.306 Reel $0.289 View $0.298 $0.276 $0.267 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Varistors 1206 14V 200A 700pF B72520T140K62 TDK 1: $0.59 8,741In Stock	Mfr. Part No. B72520T140K62 Mouser Part No 871-B72520T140K62	TDK	Varistors 1206 14V 200A 700pF Learn More about TDK epcosvaristors	Datasheet	8,741In Stock	Cut Tape $0.59 $0.37 $0.30 $0.286 Reel $0.249 View $0.275 $0.237 $0.208 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers Cir Brkr Hyd Mag IPA-1-1-52-10.0-01-T AIRPAX 1: $44.25 33In Stock	Mfr. Part No. IPA-1-1-52-10.0-01-T Mouser Part No 874-IPA1152101T	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	33In Stock	$44.25	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 3RV20111EA10 Siemens 1: $262.68 7In Stock	Mfr. Part No. 3RV20111EA10 Mouser Part No 982-3RV20111EA10	Siemens	Circuit Breakers CIRCUIT BREAKER SZ S00, CLASS 10 Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	$262.68 $235.57 $217.13 $179.33	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes AK6 - CA 270V AK6-270C-Y-12 Littelfuse 1: $73.85 8In Stock	Mfr. Part No. AK6-270C-Y-12 Mouser Part No 576-AK6-270C-Y-12	Littelfuse	ESD Protection Diodes / TVS Diodes AK6 - CA 270V	Datasheet	8In Stock	$73.85 $58.01 $57.95	Min.: 1 Mult.: 1
Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20 AP7801B APC by Schneider Electric Restricted Availability	Mfr. Part No. AP7801B Mouser Part No 679-AP7801B	APC by Schneider Electric	Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20 Mouser does not presently sell this product in your region.	Datasheet			Restricted Availability
ESD Protection Diodes / TVS Diodes 600W,440V 5%,UNIDIR,SMB TVS Vishay Semiconductors P6SMB440AHM3_D/I P6SMB440AHM3_D/I Vishay Semiconductors 1: $1.37 2,793In Stock	Mfr. Part No. P6SMB440AHM3_D/I Mouser Part No 78-P6SMB440AHM3DI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,440V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2,793In Stock	Cut Tape $1.37 $0.857 $0.561 $0.434 View Reel $0.329 $0.368 $0.35 $0.329	Min.: 1 Mult.: 1 : 3,200
ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS SMBJ36CAHM3_B/I Vishay Semiconductors 1: $1.23 1,101In Stock	Mfr. Part No. SMBJ36CAHM3_B/I Mouser Part No 78-SMBJ36CAHM3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	1,101In Stock	Cut Tape $1.23 $0.766 $0.503 $0.369 Reel $0.309 View $0.336 $0.255	Min.: 1 Mult.: 1 : 3,200
Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Panel 120/240 Vac Split-Phase MOV 160 kA, UL 1449 5th Ed. Type 2 1101-808-MM-1 Transtector 1: $2,695.40 1In Stock 4Expected 25/12/2026 New At Mouser	Mfr. Part No. 1101-808-MM-1 Mouser Part No 21-1101-808-MM-1 New At Mouser	Transtector	Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Panel 120/240 Vac Split-Phase MOV 160 kA, UL 1449 5th Ed. Type 2 Learn More about Transtector apex imax spds	Datasheet	1In Stock 4Expected 25/12/2026	$2,695.40 Quote Quote	Min.: 1 Mult.: 1
Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Module 120 Vac MOV 160 kA IMAX-120S-MR Transtector 1: $515.00 10In Stock New At Mouser	Mfr. Part No. IMAX-120S-MR Mouser Part No 21-IMAX-120S-MR New At Mouser	Transtector	Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Module 120 Vac MOV 160 kA	Datasheet	10In Stock	$515.00	Min.: 1 Mult.: 1
Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Module 120 Vac SASD 20 kA IMAX-120S-SR Transtector 1: $910.00 2In Stock New At Mouser	Mfr. Part No. IMAX-120S-SR Mouser Part No 21-IMAX-120S-SR New At Mouser	Transtector	Industrial Surge Protectors AC Surge Protector SPD APEX IMAX Module 120 Vac SASD 20 kA	Datasheet	2In Stock	$910.00	Min.: 1 Mult.: 1
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 3400.17.0254 HUBER+SUHNER 1: $402.15 18In Stock	Mfr. Part No. 3400.17.0254 Mouser Part No 455-3400170254	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology Learn More about HUBER+SUHNER huber suhner cable solutions	Datasheet	18In Stock	$402.15 $394.52 $389.52 View Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz 3401.17.0033 HUBER+SUHNER 1: $352.60 7In Stock	Mfr. Part No. 3401.17.0033 Mouser Part No 455-3401170033	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	7In Stock	$352.60 $316.77 $309.64 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories X20080110 E-T-A 1: $14.30 1,552In Stock	Mfr. Part No. X20080110 Mouser Part No 457-X20080110	E-T-A	Circuit Breaker Accessories	Datasheet	1,552In Stock	$14.30 $13.58 $12.89 $12.15 View $11.44 $10.73 Quote	Min.: 1 Mult.: 1
Circuit Breakers FAZ 3P 16A D CURVE ring term FAZ-D16/3-RT Eaton Electrical 1: $788.16 3In Stock	Mfr. Part No. FAZ-D16/3-RT Mouser Part No 504-FAZ-D16/3-RT	Eaton Electrical	Circuit Breakers FAZ 3P 16A D CURVE ring term Learn More about Eaton Electrical eaton ul 489 ul 1077 circuit breakers	Datasheet	3In Stock	$788.16 $523.15 $498.98 View Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS LEADED 30KP-CA 350V 30KPA350CA Littelfuse 1: $30.49 480In Stock 1,600Expected 28/12/2026	Mfr. Part No. 30KPA350CA Mouser Part No 576-30KPA350CA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS LEADED 30KP-CA 350V Learn More about Littelfuse military uav systems	Datasheet	480In Stock 1,600Expected 28/12/2026	Cut Tape $30.49 $22.29 $21.56 $21.52 $21.42 Reel $21.41	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 30KPA72A Littelfuse 1: $23.00 553In Stock	Mfr. Part No. 30KPA72A Mouser Part No 576-30KPA72A	Littelfuse	ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial Learn More about Littelfuse tvsdiodes	Datasheet	553In Stock	Cut Tape $23.00 $16.53 $14.69 $14.34 Reel $13.99	Min.: 1 Mult.: 1 : 800
NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR SM103J1F Littelfuse 1: $1.77 2,400In Stock	Mfr. Part No. SM103J1F Mouser Part No 576-SM103J1F	Littelfuse	NTC (Negative Temperature Coefficient) Thermistors THERMISTOR, U.S. SENSOR Learn More about Littelfuse surface mount thermistors	Datasheet	2,400In Stock	$1.77 $1.69 $1.43 $1.40 View $1.27 $1.13 $1.00	Min.: 1 Mult.: 1
Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B MJ8-POE-B Citel 1: $116.96 89In Stock	Mfr. Part No. MJ8-POE-B Mouser Part No 703-MJ8-POE-B	Citel	Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B Learn More about Citel mj8 poe	Datasheet	89In Stock	$116.96 $96.99 $89.45 $89.44 View $89.43 $68.21 Quote	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors TFPT08055K01%ET1E3 Vishay / Dale TFPT0805L5001FM TFPT0805L5001FM Vishay / Dale 1: $1.27 5,000In Stock	Mfr. Part No. TFPT0805L5001FM Mouser Part No 71-TFPT0805L5001FM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors TFPT08055K01%ET1E3	Datasheet	5,000In Stock	$1.27 $0.951 $0.761 $0.716 View $0.698 $0.587 $0.546 $0.50	Min.: 1 Mult.: 1
Circuit Breaker Accessories BRKR 3VA55/65/66 SUP HNDL DR ROT OPR GRY 3VA96770GC01 Siemens 1: $1,016.02 2In Stock	Mfr. Part No. 3VA96770GC01 Mouser Part No 982-3VA96770GC01	Siemens	Circuit Breaker Accessories BRKR 3VA55/65/66 SUP HNDL DR ROT OPR GRY Learn More about Siemens 3va molded case circuit breakers	Datasheet	2In Stock	$1,016.02	Min.: 1 Mult.: 1
Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489 M9F52130 Schneider Electric 1: $126.00 19In Stock 4Expected 16/11/2026 New At Mouser	Mfr. Part No. M9F52130 Mouser Part No 996-M9F52130 New At Mouser	Schneider Electric	Circuit Breakers Multi9 C60BPR 1P C 30A 10kA 277V UL489	Datasheet	19In Stock 4Expected 16/11/2026	$126.00	Min.: 1 Mult.: 1
Fuse Holder 6.3mm x 25mm fuse Screwdriver Release FX0416/S Bulgin 1: $15.07 578In Stock	Mfr. Part No. FX0416/S Mouser Part No 167-FX0416/S	Bulgin	Fuse Holder 6.3mm x 25mm fuse Screwdriver Release	Datasheet	578In Stock	$15.07 $12.51 $11.54 $9.57 View $7.58 $7.28 $6.70	Min.: 1 Mult.: 1

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support

Share This

Circuit Protection

Types of Circuit Protection