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: 361 827
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/M Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2,500W, IP67, .005uJ, 40kA, Filter, Low PIM 5In Stock
168,21 €
161,10 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Up 1In Stock
188,56 €
180,58 €
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, Bracket Down, Hole Mount 7In Stock
154,65 €
148,10 €
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 5In Stock
13On Order
221,12 €
211,77 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,1-2-4,ATX, 4In Stock
91,35 €
76,28 €
70,89 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,6-8-10,ATX 7In Stock
91,35 €
76,28 €
70,89 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-10A,ATX 4In Stock
89,29 €
74,42 €
69,30 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers Type BR Breaker 100A/2 Pole 120/240V 10K 3In Stock
386,60 €
320,26 €
295,20 €
Min.: 1
Mult.: 1
Citel Connectorised Surge Protectors Indoor 10Gb/s (Cat6A) POE Surge Protective Device with Mounting Kit 4In Stock
10Expected 21/10/2026
89,26 €
76,91 €
70,41 €
55,35 €
Min.: 1
Mult.: 1


PolyPhaser Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit 7In Stock
45,72 €
42,93 €
41,55 €
Min.: 1
Mult.: 1


PolyPhaser Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter 24In Stock
34,01 €
31,73 €
30,41 €
30,40 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 3In Stock
164,34 €
155,88 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount 1In Stock
222,47 €
213,07 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc 5In Stock
164,14 €
157,20 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube 5In Stock
84,38 €
80,03 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount 17In Stock
5Expected 23/10/2026
73,27 €
69,50 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair Dual Telco Trunk, UL 497B 1In Stock
157,35 €
150,70 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM 4In Stock
162,86 €
154,46 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM, w/ Bracket 6In Stock
168,21 €
161,10 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM 4In Stock
164,14 €
157,20 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type 7/16 DIN F/M Coaxial RF Surge Protector, 80MHz - 200MHz, DC Block, 1000W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount 1In Stock
275,39 €
263,74 €
Min.: 1
Mult.: 1


E-T-A Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV 11In Stock
30,78 €
23,57 €
21,91 €
Min.: 1
Mult.: 1
E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX 14In Stock
75,30 €
61,98 €
61,07 €
57,60 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX 4In Stock
91,35 €
76,28 €
70,89 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX 13In Stock
91,35 €
76,28 €
70,89 €
Min.: 1
Mult.: 1