Circuit Protection

Circuit Protection
Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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Please view our selection of circuit protection devices below.
Results: 375.784
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 100 Foot Long 3 inch Wide Copper Strap 3In Stock
1.059,87 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 400MHz - 2.5GHz, 600W, IP67, 24 V Max., 1mJ, 40kA, Hybrid, Bracket Down, Hole Mount 16In Stock
10Expected 11/16/2026
189,91 €
181,88 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.2GHz - 1.6GHz, 10W, IP67, 6 V Max., 175uJ, 15kA, Avalanche Diode 18In Stock
4Expected 11/23/2026
119,92 €
113,74 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 124In Stock
45On Order
84,38 €
80,03 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors UHF F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 138In Stock
72,53 €
68,80 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount 88In Stock
16Expected 12/16/2026
84,38 €
80,03 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 48Vdc, UL 497B 10In Stock
156,93 €
148,85 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B 37In Stock
22Expected 11/16/2026
164,14 €
157,20 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 14In Stock
169,57 €
162,39 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 14In Stock
5On Order
154,65 €
148,10 €
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 Up, Hole Mount 17In Stock
8Expected 11/19/2026
167,30 €
158,68 €
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 89In Stock
16Expected 11/13/2026
62,11 €
58,80 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 DIN M/F Quarter Wave RF Protector, 555MHz to 4.5GHz, Low PIM 21In Stock
171,54 €
164,29 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Positive Train Control (PTC) Filter, Railroad RF Band Pass with Surge Protector, 217 MHz to 223 MHz, Type N F/F, 100W CW, IP67, 50uJ, 10kA 6In Stock
303,87 €
291,02 €
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, Low PIM 35In Stock
142,12 €
134,81 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 4P 63A 30 MA RCCB TYPE G/A 1In Stock
1.236,67 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG1,4P0%N,80A,25KA/480V,FXFXTMTU 2In Stock
782,41 €
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories Flange to Bulkhead Type N Adapter Kit 116In Stock
22Expected 11/9/2026
25,22 €
21,41 €
20,44 €
18,28 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 23In Stock
184,49 €
176,69 €
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 25In Stock
9Expected 11/13/2026
156,93 €
148,85 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 37In Stock
110On Order
91,79 €
87,06 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter 62In Stock
17Expected 11/19/2026
162,78 €
155,90 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount 8In Stock
188,56 €
180,58 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU 3In Stock
1.011,29 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers 2P 15A BOLT ON 10KA 30MA TRIP LEVEL 1In Stock
1.417,85 €
Min.: 1
Mult.: 1