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: 362.197
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 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

Schneider Electric Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3 1In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included 19In Stock
35Expected 7/10/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount 17In Stock
41On Order
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 22In Stock
9Expected 6/26/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount 12In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-275-3+1-UT-R 14In 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 25In Stock
13On Order
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 35In Stock
7Expected 6/29/2026
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
Littelfuse ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS 3.280In 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

PolyPhaser Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding 3In Stock
2Expected 7/3/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 700MHz to 1000MHz, Telemetry, DC Pass, 15V, IP67, 20kA, Hybrid, Flange Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube 9In Stock
16On Order
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors HEMP Tested 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1000W, IP67, 100 V Max., 25mJ, 20kA, Filter, Low PIM 5In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20uJ, 50kA, Blocking Cap, Hole Mount 6In Stock
6Expected 6/26/2026
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 6In Stock
46On Order
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount 4In Stock
3Expected 8/24/2026
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors UHF M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 5In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,12A,ATX 5In Stock
124Expected 7/20/2026
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,2-3-3.6,CL2,ATX 3In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers BR 30A/2 Pole Com. Trip 120/240V 22K 3In Stock
Min.: 1
Mult.: 1