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: 359,646
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Siemens Industrial & Electrical Fuses FUSE BASE, LV HRC, 160A, 660V,1-POLE 6In Stock
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers MINIATURE CIRCUIT BREAKER 240V 25A 1In Stock
Min.: 1
Mult.: 1
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V 201In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,30V 5%,BIDIR,SMA TVS 2,246In Stock
15,000Expected 2/9/2026
Min.: 1
Mult.: 1
: 7,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,300V 5%,UNIDIR,SMB TVS 4,500In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,26V 5%,UNIDIR,SMB TVS 1,899In Stock
Min.: 1
Mult.: 1
: 3,200

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,5.0V 5%,UNIDIR,SMB TVS 6,386In Stock
Min.: 1
Mult.: 1
: 3,200

Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 13,819In Stock
20,000Expected 8/3/2027
Min.: 1
Mult.: 1
: 20,000
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9,268In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 6,765In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 5,723In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9,990In Stock
Min.: 1
Mult.: 1
Murata Electronics NTC (Negative Temperature Coefficient) Thermistors 9,300In 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
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
Min.: 1
Mult.: 1
: 3,000



Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor 4,530In Stock
Min.: 1
Mult.: 1

TE Connectivity / Measurement Specialties NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor 257In Stock
Min.: 1
Mult.: 1

TDK NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1206 10K J62 B-35300 15,245In Stock
Min.: 1
Mult.: 1
: 4,000

ABB Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET 8In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers MCB ST200M 2P C 20A UL1077 39In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breakers MCSW 3VA53 3P 400A 65KA 1In Stock
Min.: 1
Mult.: 1