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: 362,351
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS


PolyPhaser Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors 52In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube 45In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube 28In Stock
9Expected 17/07/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount 7In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount 9In Stock
Min.: 1
Mult.: 1

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PLATINUM NON-FLIGHT
5In Stock
Min.: 1
Mult.: 1

Schneider Electric Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3 1In Stock
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap 3In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B 9In Stock
8Expected 31/07/2026
Min.: 1
Mult.: 1
Littelfuse Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A 5In Stock
Min.: 1
Mult.: 1

Phoenix Contact Circuit Breakers PTCB TM1 10A M1 NO P 176In Stock
89On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 15In Stock
29Expected 17/07/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors TNC F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube 34In Stock
24On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location 9In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter 11In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI 1In Stock
Min.: 1
Mult.: 1
Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-750-3+0-UT-R 6In Stock
Min.: 1
Mult.: 1

PolyPhaser Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding 3In Stock
2On Order
Min.: 1
Mult.: 1

Bourns ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101 4,157In Stock
24,000On Order
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 3,274In Stock
Min.: 1
Mult.: 1
: 3,000

TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm 4In Stock
10On Order
Min.: 1
Mult.: 1

Eaton Electrical PDG33M0600FNNN
Eaton Electrical Circuit Breaker Accessories PDG3, 3P, 600A, 65KA/480V, FRAME ONLY 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical 3619A09H01
Eaton Electrical Circuit Breaker Accessories VI BRKT TIE BAR 5In Stock
Min.: 1
Mult.: 1
Eaton Electrical LT340032
Eaton Electrical Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit 1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Coaxial RF Surge Protector Kit, BGXZ-60NFNM-AS, Hardware Kit 5In Stock
Min.: 1
Mult.: 1