Circuit Protection

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.
Results: 359’629
Select Image Part # Mfr. Description Datasheet Availability Pricing (CHF) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A 1In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes AK6 - CA 270V 12In Stock
Min.: 1
Mult.: 1

APC by Schneider Electric Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,18V 5%,UNIDIR,SMC TVS 1’770In Stock
Min.: 1
Mult.: 1
: 3’500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS 3’734In Stock
Min.: 1
Mult.: 1
: 3’500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,8.2V 5%,BIDIR,SMB TVS 3’030In Stock
Min.: 1
Mult.: 1
: 3’200

Vishay ESD Protection Diodes / TVS Diodes 8W,13V 5%,SMD PAR 322In Stock
750Expected 8/25/2026
Min.: 1
Mult.: 1
: 750
Vishay ESD Protection Diodes / TVS Diodes 8W,14V 5%,SMD PAR 720In Stock
Min.: 1
Mult.: 1
: 750
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS 1’148In Stock
Min.: 1
Mult.: 1
: 3’200

HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz 5In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breakers The 3120-N...4 IP65 rated thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N...4 is ideally suite 41In Stock
Min.: 1
Mult.: 1


E-T-A Circuit Breaker Accessories 265In Stock
Min.: 1
Mult.: 1

TE Connectivity / Measurement Specialties NTC (Negative Temperature Coefficient) Thermistors SUPER STABLE GLASS NTC THERMISTOR 24In Stock
Min.: 1
Mult.: 1
Littelfuse Fuse Clips 3AG/3AB PCB FUSE CLIP WITH ANGLED LEADS 4’997In Stock
Min.: 1
Mult.: 1

TDK PTC (Positive Temperature Coefficient) Thermistors 80C 12Vdc 4ohms Disc PTC Heating 2’345In Stock
Min.: 1
Mult.: 1


TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1.5kV 20% 10A A71-H15X 3’654In Stock
10’200On Order
Min.: 1
Mult.: 1

ABB Circuit Breaker Accessories KIT FCCUAL3X750KCMIL XT7/M F 3PCS 13In Stock
Min.: 1
Mult.: 1
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A 1In Stock
Min.: 1
Mult.: 1
Transtector Industrial Surge Protectors DC Surge Protector SPD I2R Indoor DIN-Rail 48 Vdc, Single-Mode SASD
30In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 1.0 GHz 15In Stock
120On Order
Min.: 1
Mult.: 1



E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S211-P1M1-Z141-20A 93 15In Stock
Min.: 1
Mult.: 1

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 23In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Single, two and three pole rocker switch/thermal trip free circuit breakers (S-type TO CBE to EN 60934) of compact design for snap-in panel mounting. Available either with protection on one/both/all poles or, in the case of the double 120In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers QCR Brk 2P 30A 240 Vac 10Kiac ring terms 3In Stock
Min.: 1
Mult.: 1
KYOCERA AVX Surface Mount Fuses Accu-Guard II Fuse F ast Speed 2’436In Stock
12’000Expected 11/9/2026
Min.: 1
Mult.: 1
: 3’000