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: 365 610
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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Honeywell NTC (Negative Temperature Coefficient) Thermistors 2K Ohm 10% Thermistor NTC
Datasheet
226In Stock
Min.: 1
Mult.: 1

TDK PTC (Positive Temperature Coefficient) Thermistors 80C 12Vdc 4ohms Disc PTC Heating
Datasheet
2 902In Stock
Min.: 1
Mult.: 1

ABB Circuit Breaker Accessories KIT FCCUAL3X750KCMIL XT7/M F 3PCS
Datasheet
12In Stock
Min.: 1
Mult.: 1
Square D Circuit Breakers MOLDED CASE CIRCUIT BREAKER 600V 150A
Datasheet
1In Stock
Min.: 1
Mult.: 1
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Quarter-wave stub technology
Datasheet
9In Stock
6On Order
Min.: 1
Mult.: 1
E-T-A 2210-S221-P1M3-H0-12A
E-T-A Circuit Breakers MoQ=10 Non-Preferred Part (Build to Order) - Alternative Stocked Part Number 2210-S221-P1M1-Z241-12A 94
Datasheet
10In Stock
10On Order
Min.: 1
Mult.: 1

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

IXYS SCRs Phase Control Thyristor
Datasheet
10In Stock
More Info Available
Min.: 1
Mult.: 1


TDK Varistors 150VAC 10% 10mm AdvanceD
Datasheet
6 235In Stock
3 345On Order
Min.: 1
Mult.: 1
: 1 500

ABB Circuit Breaker Accessories PBII 4 AUX. SWITCH 240V DRAWOUT
Datasheet
2In Stock
Min.: 1
Mult.: 1
ABB Circuit Breakers UL489 MCB 3P C 15A 480/277
Datasheet
24In Stock
Min.: 1
Mult.: 1
Siemens Circuit Breaker Accessories BREAKER 3VA125,250 60 IN MAX FLEX CABLE
Datasheet
4In Stock
Min.: 1
Mult.: 1
Transtector Industrial Surge Protectors DC Surge Protector SPD DRDC Indoor DIN-Rail 24 Vdc, Full-Mode SASD UL 497B, Class I/Div II, ATEX
Datasheet
4In Stock
Min.: 1
Mult.: 1
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
Datasheet
1In Stock
Min.: 1
Mult.: 1


Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor
Datasheet
5 507In Stock
2 000On Order
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes TA6L - A 22V
Datasheet
13 545In Stock
Min.: 1
Mult.: 1
: 14 000
TDK NTC (Negative Temperature Coefficient) Thermistors NTC THERMISTOR 1206 10K J62 B-35300
Datasheet
9 915In Stock
8 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

ABB Circuit Breakers TEYX CIRCUIT BREAKER 2P 30A
Datasheet
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
Datasheet
8In Stock
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10Kohms 3% 3984K/0.5% 40mm
Datasheet
330In Stock
More Info Available
Min.: 1
Mult.: 1

Bourns Resettable Fuses - PPTC 1206 Resettable SMD PPTC 1.5A/6V
Datasheet
5 735In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 400W,18V 5%,BIDIR,SMA TVS
Datasheet
6 880In Stock
7 000On Order
Min.: 1
Mult.: 1
: 7 500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,6.8V 5%,BIDIR,SMB TVS
Datasheet
2 634In Stock
Min.: 1
Mult.: 1
: 3 200