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: 362.353
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Eaton Electrical Circuit Breakers LG 3 POLE 150KA FRAME ONLY 1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount 247In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 43In Stock
13Expected 07/17/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube 53In Stock
147On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube 28In Stock
24Expected 07/14/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount 12In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION 1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube 31In Stock
11Expected 07/17/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 16In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount 52In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION 2In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU 2In Stock
Min.: 1
Mult.: 1
Phoenix Contact Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R 5In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-277/50/3+0-R 6In 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 07/31/2026
Min.: 1
Mult.: 1
Littelfuse Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube 11In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 29In Stock
7Expected 07/17/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter 38In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU 3In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN 2In Stock
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 07/17/2026
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