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: 361.800
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Eaton Electrical Circuit Breaker Accessories FAZ UL BUS CONNECTOR- CONDUCTOR 76In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION 1In Stock
Min.: 1
Mult.: 1


Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor 5.567In Stock
2.000On Order
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 10In Stock
3On Order
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes TA6L - A 22V 13.545In Stock
Min.: 1
Mult.: 1
: 14.000
ABB Circuit Breakers TEYX CIRCUIT BREAKER 2P 30A 1In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breaker Accessories BREAKER 3VA6 TD300 ACTIVATE ETU, TRIP 4In Stock
2On Order
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology 9In Stock
6On Order
Min.: 1
Mult.: 1
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94 10In Stock
10On Order
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers FAZ-NA UL 489 MCB 2P 6A C CURVE 5In Stock
Min.: 1
Mult.: 1
Citel Connectorised Surge Protectors Din Rail POE Surge Suppressor, Type B 144In Stock
Min.: 1
Mult.: 1

IXYS SCRs Phase Control Thyristor 22In Stock
Min.: 1
Mult.: 1


TDK Varistors 150VAC 10% 10mm AdvanceD 6.235In Stock
3.345On Order
Min.: 1
Mult.: 1
: 1.500

ABB Circuit Breaker Accessories PBII 4 AUX. SWITCH 240V DRAWOUT 2In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE 4In Stock
Min.: 1
Mult.: 1
Bourns Thermal Cut-offs TCO, High Current, SMD, 55C, Self Hold AEC-Q200 3.340In Stock
Min.: 1
Mult.: 1
: 4.000


E-T-A Circuit Breakers The 3120-N 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 is ideally suited for overload prot 10In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breaker Accessories STRAIGHT BUSBAR FOR 1 POLE (2210-T & 8340-T) 5In Stock
Min.: 1
Mult.: 1
Littelfuse ESD Protection Diodes / TVS Diodes 24V 15A 30kV SOD882 Bi-dir TVS 17.490In Stock
Min.: 1
Mult.: 1
: 10.000

Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 420V,Bulk 1.000In Stock
Min.: 1
Mult.: 1


Citel Industrial Surge Protectors DD9-24V D-sub Data Line Surge Protectice Device (SPD) , 24V, 15 wire+G 2In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS 834In Stock
3.500On Order
Min.: 1
Mult.: 1
: 3.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 300W,350V 5%,UNIDIR,SMA TVS 1.980In Stock
Min.: 1
Mult.: 1
: 7.500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,510V 5%,UNIDIR,SMB TVS 3.250In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,8.2V 5%,BIDIR,SMB TVS 3.030In Stock
Min.: 1
Mult.: 1
: 3.200