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


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 315In 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 5,383In 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


E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 348In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Compact single pole thermal circuit breaker with push-to-reset, tease free, trip free, snap action mechanism and separate (colour coded) manual release. Combining full feature circuit breaker protection and convenience with low cost o 166In Stock
Min.: 1
Mult.: 1



E-T-A Circuit Breakers Combination of single pole circuit breaker and ON/OFF switch with soft-touch rocker actuation. Contoured rockers are available with a choice of colours and legends, with optional illumination. The 3131 is sealed to provide IP66 rated 345In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Glass Encapsulated 100K Ohm +/- 5% 25C 2,080In Stock
Min.: 1
Mult.: 1

Amphenol Advanced Sensors NTC (Negative Temperature Coefficient) Thermistors Chip with solder-coated wires, 2KOhm +/-2% @ 25 C 13,154In Stock
Min.: 1
Mult.: 1
Bel Fuse Surface Mount Fuses 3924 Surface Mt Fuse 8A 5,091In Stock
Min.: 1
Mult.: 1
: 2,000

Bel Fuse Surface Mount Fuses 10A 250VAC 72 VCD 7,150In Stock
Min.: 1
Mult.: 1
: 2,000

Bel Fuse Surface Mount Fuses 630mA 350 VAC 72 VCD 12,007In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 4818 Fuse Square Ceramic Surface Mount Slow Blow 6.3A 1,376In Stock
Min.: 1
Mult.: 1
: 1,500

Bel Fuse Fuses with Leads - Through Hole 12A 350V 7,692In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole 16A 350V 10,127In Stock
Min.: 1
Mult.: 1
: 1,000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 1A 6,311In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 0603 SMD Fuse. Slow Blow 6A 4,990In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Cartridge Fuses FUSE, CERAMIC TUBE 250mA, 1000VAC/VDC 767In Stock
Min.: 1
Mult.: 1

Bel Fuse Cartridge Fuses 10,957In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Surface Mount Fuses 16,794In Stock
Min.: 1
Mult.: 1
: 5,000

Bel Fuse Cartridge Fuses 3,016In Stock
Min.: 1
Mult.: 1

Bel Fuse Fuses with Leads - Through Hole 7,703In Stock
Min.: 1
Mult.: 1
: 1,000