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: 359.338
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 1.5kV 20% 10A A71-H15X 3.624In 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 AC Surge Protector SPD MCP Panel 120/208 Vac 3-Phase Wye SASD, MOV 100 kA 1In 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 40In Stock
50Expected 07/09/2026
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breaker Accessories FAZ-NA 80A 3-P BUS BAR FOR 2 bkr 26In Stock
30On Order
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohm 3% L=400mm 2.150In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors K 164/470 K/J52 5% NTC Thermistor 5.847In Stock
Min.: 1
Mult.: 1
: 1.500

TDK NTC (Negative Temperature Coefficient) Thermistors 0805 4.7K 3% B 3650 55/125/56 9.262In Stock
Min.: 1
Mult.: 1
: 4.000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 2 ELECT / 3000v 440In Stock
3.000On Order
Min.: 1
Mult.: 1
: 100

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T23-A250XF4 1.067In Stock
Min.: 1
Mult.: 1

AIRPAX Circuit Breakers Cir Brkr,HydMag 19In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 1In Stock
Min.: 1
Mult.: 1
Square D Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W 1In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers Single pole switch/thermal circuit breaker (S-type TO CBE to EN 60934) with tease-free, trip-free, snap action mechanism. Designed for snap-in panel mounting utilising round hole or industry standard fuse-holder cut-out dimensions. Fe 93In Stock
Min.: 1
Mult.: 1

KYOCERA AVX Surface Mount Fuses .028A 7.5mOhm Green LGA Miniature 0402 10.254In Stock
60.000On Order
Min.: 1
Mult.: 1
: 5.000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W 350V Bidirect 3.645In Stock
Min.: 1
Mult.: 1
: 4.000

TDK Gas Discharge Tubes - GDTs / Gas Plasma Arrestors T61-C600X 559In Stock
Min.: 1
Mult.: 1

ABB Circuit Breakers XT4N 250 EKIPLS/I IN=150A3PFFUL/CSA 3In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA53 3P 350A 35KA FTAM 1In Stock
Min.: 1
Mult.: 1


Littelfuse Fuse Holder Accessories M10 Insulated Stud 83In Stock
Min.: 1
Mult.: 1

KYOCERA AVX Surface Mount Fuses .075A 2.0mohm Brown Thin Film Fuses 0201 4.320In Stock
Min.: 1
Mult.: 1
: 500

Vishay NTC (Negative Temperature Coefficient) Thermistors NTCFLEX0510k2%3435K25mm 268In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,27V 5%,UNIDIR,SMB TVS 7.408In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1KW,12V 5%,UNIDIR,SMB TVS 2.393In Stock
Min.: 1
Mult.: 1
: 750