.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: 360.919

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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Circuit Breaker Accessories MPR SURGE SUPPRESSOR MPR-SS L-Com 1: 145,29 € 5In Stock New At Mouser	Mfr. Part No. MPR-SS Mouser Part No 17-MPR-SS New At Mouser	L-Com	Circuit Breaker Accessories MPR SURGE SUPPRESSOR		5In Stock	145,29 € 127,06 € 125,09 € 122,48 € View 119,44 € Quote	Min.: 1 Mult.: 1
Power Outlet Strips PDUMH30-ISO PDUMH30-ISO Tripp Lite Restricted Availability	Mfr. Part No. PDUMH30-ISO Mouser Part No 545-PDUMH30-ISO	Tripp Lite	Power Outlet Strips PDUMH30-ISO	Datasheet			Restricted Availability
Fuse Holder CFB1 FUSE BLOCK, NO FUSE CFB1-NF Bourns 1: 44,66 € 20In Stock	Mfr. Part No. CFB1-NF Mouser Part No 652-CFB1-NF	Bourns	Fuse Holder CFB1 FUSE BLOCK, NO FUSE Learn More about Bourns cfb riedon fuse blocks	Datasheet	20In Stock	44,66 € 37,04 € 34,17 € 25,63 € View 25,19 € 24,76 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS P4SMA16CAHM3_A/I Vishay Semiconductors 1: 0,731 € 7.180In Stock	Mfr. Part No. P4SMA16CAHM3_A/I Mouser Part No 78-P4SMA16CAHM3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 400W,16V 5%,BIDIR,SMA TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	7.180In Stock	Cut Tape 0,731 € 0,455 € 0,294 € 0,225 € View Reel 0,169 € 0,203 € 0,175 € 0,169 € 0,169 €	Min.: 1 Mult.: 1 : 7.500
ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS SM6T33AHE3_B/I Vishay Semiconductors 1: 0,697 € 2.823In Stock	Mfr. Part No. SM6T33AHE3_B/I Mouser Part No 78-SM6T33AHE3BI	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,33V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2.823In Stock	Cut Tape 0,697 € 0,431 € 0,278 € 0,212 € Reel 0,163 € View 0,191 € 0,148 € 0,145 € 0,141 €	Min.: 1 Mult.: 1 : 3.200
ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS SMBJ16AHE3_B/H Vishay Semiconductors 1: 0,688 € 7.293In Stock	Mfr. Part No. SMBJ16AHE3_B/H Mouser Part No 78-SMBJ16AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,16V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	7.293In Stock	Cut Tape 0,688 € 0,43 € 0,277 € 0,211 € Reel 0,19 € View 0,163 € 0,15 € 0,143 € 0,13 €	Min.: 1 Mult.: 1 : 750
ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS SMBJ24AHE3_B/H Vishay Semiconductors 1: 0,662 € 8.134In Stock	Mfr. Part No. SMBJ24AHE3_B/H Mouser Part No 78-SMBJ24AHE3BH	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 600W,24V 5%,UNIDIR,SMB TVS Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	8.134In Stock	Cut Tape 0,662 € 0,406 € 0,262 € 0,137 € Reel 0,13 €	Min.: 1 Mult.: 1 : 750
Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink GV4PE115N Schneider Electric 1: 886,69 € 1In Stock New At Mouser	Mfr. Part No. GV4PE115N Mouser Part No 996-GV4PE115N New At Mouser	Schneider Electric	Circuit Breakers MotBreak GV4PE Therm/Mag 115A 50kA Elink	Datasheet	1In Stock	886,69 €	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 € 30In 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	Datasheet	30In Stock	307,87 €	Min.: 1 Mult.: 1 Restricted Availability
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz 3402.18.A HUBER+SUHNER 1: 513,34 € 6In Stock	Mfr. Part No. 3402.18.A Mouser Part No 455-340218A	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	6In Stock	513,34 € 301,61 € 291,63 € View Quote	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: 237,04 € 22In Stock	Mfr. Part No. 8340-G231-K4E1-A4H0-50A Mouser Part No 457-231K4E14H050	E-T-A	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	Datasheet	22In Stock	237,04 € 196,47 € 181,10 € 162,82 €	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 5KW,43V 5%,SMC_HT AEC-Q101 Qualified 5KASMC43AHM3_A/H Vishay Semiconductors 1: 1,99 € 2.530In Stock	Mfr. Part No. 5KASMC43AHM3_A/H Mouser Part No 78-5KASMC43AHM3_A/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 5KW,43V 5%,SMC_HT AEC-Q101 Qualified Learn More about Vishay Semiconductors vishay semi esmp package evolution	Datasheet	2.530In Stock	Cut Tape 1,99 € 1,27 € 0,877 € 0,74 € Reel 0,619 € View 0,582 € 0,536 €	Min.: 1 Mult.: 1 : 850
Circuit Breakers MCSW 3VA53 3P 400A 65KA 3VA53400BB310AA0 Siemens 1: 2.565,77 € 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	2.565,77 €	Min.: 1 Mult.: 1
Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 3VA62256HL360AA0 Siemens 1: 3.300,59 € 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	3.300,59 €	Min.: 1 Mult.: 1
Circuit Breakers BRKR ED4 2P 480V 20A ED42B020 Siemens 1: 1.510,01 € 1In Stock	Mfr. Part No. ED42B020 Mouser Part No 982-ED42B020	Siemens	Circuit Breakers BRKR ED4 2P 480V 20A	Datasheet	1In Stock	1.510,01 €	Min.: 1 Mult.: 1
Industrial Surge Protectors AC Surge Protector SPD MCP Panel 120/240 Vac Split-Phase SASD, MOV 130 kA 1101-424 Transtector 1: 1.497,38 € 1In Stock Restricted Availability New At Mouser	Mfr. Part No. 1101-424 Mouser Part No 21-1101-424 New At Mouser	Transtector	Industrial Surge Protectors AC Surge Protector SPD MCP Panel 120/240 Vac Split-Phase SASD, MOV 130 kA	Datasheet	1In Stock	1.497,38 €	Min.: 1 Mult.: 1 Restricted Availability
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Fine protectors hybrid technology, box design, bypass voltage 15 V, DC current 3 A 3403.17.0045 HUBER+SUHNER 1: 404,35 € 17In Stock	Mfr. Part No. 3403.17.0045 Mouser Part No 455-3403.17.0045	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Fine protectors hybrid technology, box design, bypass voltage 15 V, DC current 3 A Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	17In Stock	404,35 € 346,28 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A ESX10-TC-101-DC48V-10A E-T-A 1: 97,88 € 36In Stock 90Expected 9/25/2026	Mfr. Part No. ESX10-TC-101-DC48V-10A Mouser Part No 457-X10TC101DC48V10A	E-T-A	Circuit Breakers 508, 1P, DM, 48VDC, N/O, 10A	Datasheet	36In Stock 90Expected 9/25/2026	97,88 € 97,22 € 77,12 € 75,79 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag 219-3-8303-11 AIRPAX 1: 300,03 € 4In Stock	Mfr. Part No. 219-3-8303-11 Mouser Part No 874-2193830311	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag Learn More about AIRPAX sensata 209 219 229 249 279 circuit breakers	Datasheet	4In Stock	300,03 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories RHE_MB XT5 F/W M. BASE FOR ROTARY HANDLE KXT5MRHESTFP ABB 1: 106,34 € 26In Stock 201Expected 10/7/2026	Mfr. Part No. KXT5MRHESTFP Mouser Part No 894-KXT5MRHESTFP	ABB	Circuit Breaker Accessories RHE_MB XT5 F/W M. BASE FOR ROTARY HANDLE	Datasheet	26In Stock 201Expected 10/7/2026	106,34 € 88,18 € 73,96 € 65,38 € View 62,16 € Quote	Min.: 1 Mult.: 1
Circuit Breakers MCB S800S 2P C 20A S802S-C20 ABB 1: 497,69 € 3In Stock New At Mouser	Mfr. Part No. S802S-C20 Mouser Part No 894-S802S-C20 New At Mouser	ABB	Circuit Breakers MCB S800S 2P C 20A	Datasheet	3In Stock	497,69 € 442,20 € 421,49 € View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories BREAKER 3VA5 125A PL ROT HDL 4X ILUM LOK 3VA91370FK23 Siemens 1: 474,99 € 5In Stock	Mfr. Part No. 3VA91370FK23 Mouser Part No 982-3VA91370FK23	Siemens	Circuit Breaker Accessories BREAKER 3VA5 125A PL ROT HDL 4X ILUM LOK Learn More about Siemens 3va molded case circuit breakers	Datasheet	5In Stock	474,99 € 421,50 € 411,91 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2 C10H32D100 Schneider Electric 1: 1.775,04 € 1In Stock New At Mouser	Mfr. Part No. C10H32D100 Mouser Part No 996-C10H32D100 New At Mouser	Schneider Electric	Circuit Breakers NSX100H 70kA AC 3P3D 100A 2.2	Datasheet	1In Stock	1.775,04 €	Min.: 1 Mult.: 1
Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A HGF36090 Square D 1: 1.462,86 € 1In Stock New At Mouser	Mfr. Part No. HGF36090 Mouser Part No 996-HGF36090 New At Mouser	Square D	Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 90A	Datasheet	1In Stock	1.462,86 €	Min.: 1 Mult.: 1
Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200 SD55ABB Bourns 1: 1,69 € 2.934In Stock	Mfr. Part No. SD55ABB Mouser Part No 652-SD55ABB	Bourns	Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200 Learn More about Bourns ad sd miniature tco devices	Datasheet	2.934In Stock	Cut Tape 1,69 € 1,60 € 1,51 € 1,44 € View Reel 1,07 € 1,38 € 1,23 € 1,18 € 1,07 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support