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
Eaton Electrical Circuit Breakers PDG2,3P,20A,25KA/480V,FXFXTMTU 2In Stock
635,21 €
526,21 €
484,96 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU 1In Stock
1.152,01 €
Min.: 1
Mult.: 1
TE Connectivity NTC (Negative Temperature Coefficient) Thermistors ESA PROBE-RTD PT1000 3000mm ENG MODEL 2In Stock
569,64 €
434,36 €
430,43 €
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1% blk 0.4e/1e A 310In Stock
1.500Expected 11/19/2026
1,66 €
1,25 €
0,998 €
0,937 €
Min.: 1
Mult.: 1
Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 12K 2% blk 0.4e/1e A 1.897In Stock
1,01 €
0,754 €
0,604 €
0,568 €
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 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 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 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 6In Stock
185,85 €
177,99 €
Min.: 1
Mult.: 1


E-T-A Circuit Breaker Accessories 508, DM, 40A Distribution Module Standard, without Aux, ATEX 7In Stock
35,99 €
29,99 €
29,29 €
26,70 €
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
90,37 €
77,35 €
76,82 €
67,40 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX 4In Stock
109,62 €
91,35 €
88,00 €
79,80 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX 13In Stock
109,62 €
93,18 €
79,80 €
76,58 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX 9In Stock
89,29 €
74,42 €
69,30 €
Min.: 1
Mult.: 1
Eaton Electrical Industrial & Electrical Fuses DBU 27.0KV SLOW SPEED "E" EXPL FUSE 200A 1In Stock
500,49 €
414,67 €
382,10 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers E 3P 50A 25kA 415&480V FXD therm FXD mag 1In Stock
940,01 €
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers FDB 3P 20A TRIP, 600V CLASS, LINE & LOAD 1In Stock
1.187,14 €
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 15 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount 5In Stock
183,13 €
175,39 €
Min.: 1
Mult.: 1