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: 362 150
Select Image Part # Mfr. Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity. Qty. RoHS


Vishay / BC Components NTC (Negative Temperature Coefficient) Thermistors 10K 5% UL Recognized Standard Lug Sensor 4 340In Stock
2,12 €
1,74 €
1,41 €
1,31 €
Min.: 1
Mult.: 1
TE Connectivity / Measurement Specialties NTC (Negative Temperature Coefficient) Thermistors Surface Temp Sensor 319In Stock
65Expected 03/11/2026
14,99 €
13,24 €
11,87 €
11,25 €
Min.: 1
Mult.: 1
AIRPAX Circuit Breakers 93In Stock
17,71 €
Min.: 1
Mult.: 1
ABB Circuit Breakers RCD F200 2P 40A 100MA 480Y/277 3In Stock
580,68 €
513,93 €
463,11 €
Min.: 1
Mult.: 1
ABB Circuit Breaker Accessories MOE XT5 110 125V AC/DC AUTO-RESET 7In Stock
12Expected 29/10/2026
1 325,23 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers MCSW 3VA53 3P 400A 65KA 1In Stock
2 731,13 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA62 3P 250A 65KA ETU3-LI AL 1In Stock
3 498,88 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR ED4 2P 480V 20A 1In Stock
1 542,34 €
Min.: 1
Mult.: 1
Schneider Electric Circuit Breakers Multi9 GFP 4P 100A 86mA A-SI 480Y/277V 3In Stock
1 290,00 €
Min.: 1
Mult.: 1
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1200 V 1 359In Stock
Cut Tape
1,51 €
1,30 €
1,15 €
1,08 €
Reel
0,814 €
Min.: 1
Mult.: 1
: 1 000
Bourns Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1500 V 874In Stock
Cut Tape
1,44 €
1,29 €
1,12 €
1,03 €
Reel
0,837 €
Min.: 1
Mult.: 1
: 1 000
Littelfuse ESD Protection Diodes / TVS Diodes AK6 - CA 270V 8In Stock
63,51 €
49,89 €
49,84 €
Min.: 1
Mult.: 1
APC by Schneider Electric Power Outlet Strips Rack PDU, Metered, 1U, 20A, 120V, (8) 5-20
Mouser does not presently sell this product in your region.
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS 3 734In Stock
Cut Tape
1,20 €
0,753 €
0,494 €
0,363 €
Reel
0,304 €
Min.: 1
Mult.: 1
: 3 500
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,440V 5%,UNIDIR,SMB TVS 2 793In Stock
Cut Tape
1,18 €
0,737 €
0,482 €
0,373 €
Reel
0,283 €
Min.: 1
Mult.: 1
: 3 200
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 600W,36V 5%,BIDIR,SMB TVS 1 136In Stock
Cut Tape
1,06 €
0,659 €
0,433 €
0,317 €
Reel
0,266 €
Min.: 1
Mult.: 1
: 3 200

Semtech ESD Protection Diodes / TVS Diodes 1-LINE 1.2V 0.2PF 2.5A SLP0603P2X3J 6 554In Stock
Cut Tape
0,568 €
0,359 €
0,229 €
0,171 €
Reel
0,094 €
Min.: 1
Mult.: 1
: 15 000
HUBER+SUHNER Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, GDT technology up to 2.5 GHz, with SEMPER GDT 90 V 11In Stock
305,52 €
277,44 €
273,92 €
Min.: 1
Mult.: 1


E-T-A Circuit Breakers The 3120-N thermal circuit breaker/switch combination unites overcurrent protection and the function of an ON/OFF switch within a single component. The trip element is a thermal bimetal. Type 3120-N is ideally suited for overload prot 84In Stock
53,03 €
45,21 €
41,80 €
36,70 €
32,85 €
Min.: 1
Mult.: 1
TDK NTC (Negative Temperature Coefficient) Thermistors K 164/470 K/J52 5% NTC Thermistor 5 847In Stock
Cut Tape
0,671 €
0,633 €
0,535 €
0,503 €
Reel
0,368 €
Min.: 1
Mult.: 1
: 1 500
AIRPAX Circuit Breakers Cir Brkr,HydMag 18In Stock
91,48 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers Circuit breaker screw-type 84 A 3In Stock
939,84 €
Min.: 1
Mult.: 1
Siemens Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 1In Stock
2 049,89 €
Min.: 1
Mult.: 1
Square D Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W 1In Stock
4 945,32 €
Min.: 1
Mult.: 1


Littelfuse Fuse Holder Accessories Cover, 1 Position BMZS 56In Stock
9,54 €
9,50 €
5,60 €
5,33 €
Min.: 1
Mult.: 1