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: 359,447
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS

TDK Varistors 550VAC 10% 10mm StandarD 6,115In Stock
Min.: 1
Mult.: 1

TDK Varistors Leaded Varistor, 240pF 625VAC, 825VDC 9,716In Stock
Min.: 1
Mult.: 1


TDK Varistors 625VAC 10% 20mm SuperioR MP 1,650In Stock
Min.: 1
Mult.: 1

TDK Varistors 680VAC 10% 20mm StandarD 3,488In Stock
Min.: 1
Mult.: 1

TDK Varistors 14Vrms 120A 55,929In Stock
Min.: 1
Mult.: 1
: 3,000


TDK Varistors 150VAC 10% 3225mm 4,074In Stock
Min.: 1
Mult.: 1

TDK Varistors 230VAC 10% 4032mm 6,406In Stock
Min.: 1
Mult.: 1



TDK Varistors 275VAC 10% 4032mm 2,645In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T30-A500X 2,124In Stock
Min.: 1
Mult.: 1

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors A71-H10X 7,039In Stock
Min.: 1
Mult.: 1
: 200

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T23-A420XF4 885In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr Hyd Mag 13In Stock
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers Cir Brkr Hyd Mag 48In Stock
Min.: 1
Mult.: 1
E-T-A Circuit Breakers Miniaturised double pole thermal circuit breaker with push-to-reset tease-free, trip-free, snap action mechanism (R-type TO CBE to EN 60934). Threadneck panel mounting. Suitable for line and neutral switching - the thermal actuator op 65In 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 190In Stock
Min.: 1
Mult.: 1



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 176In Stock
Min.: 1
Mult.: 1

Bel Fuse Surface Mount Fuses 1.5A 350 VAC 72 VCD 13,610In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 3.5A 4,171In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Fuses with Leads - Through Hole FUSE, CERAMIC TUBE 10A, 600VAC/600VDC 1,810In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 1.25A, 1000VAC/VDC 974In Stock
Min.: 1
Mult.: 1

Tripp Lite Power Outlet Strips RS-1215-20T

Littelfuse Cartridge Fuses 250V 1.5A 3.6X10 FA PT PB-FREE 894In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Cartridge Fuses 250V 3.6X10 3.15A FUSE SB PT PB-FREE 1,302In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 724In Stock
Min.: 1
Mult.: 1
: 800

Littelfuse ESD Protection Diodes / TVS Diodes TVS Hi Power Diode 30KPA Axial 742In Stock
Min.: 1
Mult.: 1
: 800