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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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology 3406.17.0027 HUBER+SUHNER 1: 148,41 € 10In Stock	Mfr. Part No. 3406.17.0027 Mouser Part No 455-3406170027	HUBER+SUHNER	Connectorised Surge Protectors COAXIAL SURGE PROTECTOR DEVICE, Slim Line GDT technology Learn More about HUBER+SUHNER huber suhner surge suppression solutions	Datasheet	10In Stock	148,41 € 126,16 € 120,18 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve 1620-3-7.5A E-T-A 1: 11,47 € 488In Stock	Mfr. Part No. 1620-3-7.5A Mouser Part No 457-1620-3-7.5A	E-T-A	Circuit Breakers Single pole, thermal miniaturised circuit breaker designed for automotive applications. Fits into fuse blocks designed to ISO 8820-3, Type F. Automatic reset (for DC 12 V only) and open circuit (modified reset to SAE) version optional. Open circuitve Learn More about E-T-A e t a 1620 circuit breakers	Datasheet	488In Stock	11,47 € 10,66 € 9,43 € 8,19 € View 6,96 € 6,56 € 5,73 € 5,53 € Quote	Min.: 1 Mult.: 1
Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha 3400-K20-H-5A E-T-A 1: 71,12 € 68In Stock	Mfr. Part No. 3400-K20-H-5A Mouser Part No 457-3400K20H5A	E-T-A	Circuit Breakers Single pole thermal-magnetic circuit breakers with tease-free, trip-free, press-to-reset, snap action mechanism (R-type TM CBE to EN 60934; M-type with manual release (-H). Available with fast acting and standard magnetic tripping cha	Datasheet	68In Stock	71,12 € 60,99 € 57,28 € 51,08 € View 49,08 € Quote	Min.: 1 Mult.: 1
Connectorised Surge Protectors 800-2500MHz N type F/F LP-STR-NFF Amphenol Times Microwave Systems 1: 110,78 € 16In Stock	Mfr. Part No. LP-STR-NFF Mouser Part No 523-LP-STR-NFF	Amphenol Times Microwave Systems	Connectorised Surge Protectors 800-2500MHz N type F/F Learn More about Amphenol Times Microwave Systems amphenol times protect devices	Datasheet	16In Stock	110,78 € 98,99 € 93,68 € 90,15 € View Quote	Min.: 1 Mult.: 1
Fuse Holder MINIFUSE HOLDER, 8 POS, MCP CONTACT 1801567-1 TE Connectivity 1: 8,63 € 1.347In Stock	Mfr. Part No. 1801567-1 Mouser Part No 571-1801567-1	TE Connectivity	Fuse Holder MINIFUSE HOLDER, 8 POS, MCP CONTACT	Datasheet	1.347In Stock	8,63 € 7,75 € 7,40 € 5,69 € View 5,05 € 4,56 € 4,17 € 4,03 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors 10k 1% SMD Low B AUTO GRADE NTCS0402E3103FLT Vishay / BC Components 1: 0,963 € 16.609In Stock 10.000Expected 9/21/2026	Mfr. Part No. NTCS0402E3103FLT Mouser Part No 594-NTCS0402E3103FLT	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors 10k 1% SMD Low B AUTO GRADE Learn More about Vishay / BC Components vishay bc components ntcs e3 thermistors	Datasheet	16.609In Stock 10.000Expected 9/21/2026	Cut Tape 0,963 € 0,912 € 0,816 € 0,784 € 0,481 € Reel 0,481 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
Varistors 20V 1200A 470000pF B72547E3200K000 TDK 1: 4,09 € 3.805In Stock 7.000On Order	Mfr. Part No. B72547E3200K000 Mouser Part No 871-B72547E3200K000	TDK	Varistors 20V 1200A 470000pF Learn More about TDK automotive shcvs	Datasheet	3.805In Stock 7.000On Order On Order Ship Dates Mfr. No: B72547E3200K000 Stock: 3.805 Can Dispatch Immediately On Order: 1.000 Expected 10/26/2026 6.000 Expected 11/26/2026 Factory Lead Time: 10 Weeks	4,09 € 2,70 € 2,55 € 2,21 € View 2,10 € 1,88 € 1,59 €	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr Hyd Mag IEG111-1-61-20.0-A-01-V AIRPAX 1: 191,79 € 9In Stock	Mfr. Part No. IEG111-1-61-20.0-A-01-V Mouser Part No 874-IEG111161200A01V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	9In Stock	191,79 € 158,72 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories BREAKER MC FLANGE MAX-FLEX HDL FHOHS Siemens 1: 815,12 € 2In Stock	Mfr. Part No. FHOHS Mouser Part No 982-FHOHS	Siemens	Circuit Breaker Accessories BREAKER MC FLANGE MAX-FLEX HDL	Datasheet	2In Stock	815,12 €	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 400V GDT35-40-S1-RP Bourns 1: 1,53 € 923In Stock	Mfr. Part No. GDT35-40-S1-RP Mouser Part No 652-GDT35-40-S1-RP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors Next-Generation GDT 5mm 400V Learn More about Bourns gdt35	Datasheet	923In Stock	Cut Tape 1,53 € 1,38 € 1,17 € 1,08 € Reel 0,81 € View 0,972 € 0,832 € 0,722 € 0,714 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000
ESD Protection Diodes / TVS Diodes TVS, bidirectional, VRWM 24V, 5KW, SMC 5KMC24CAS-AU_R1_000A1 Panjit 1: 1,87 € 2.400In Stock	Mfr. Part No. 5KMC24CAS-AU_R1_000A1 Mouser Part No 241-5KMC24CAS-AU	Panjit	ESD Protection Diodes / TVS Diodes TVS, bidirectional, VRWM 24V, 5KW, SMC Learn More about Panjit 5kmc tvs diodes	Datasheet	2.400In Stock	Cut Tape 1,87 € 1,56 € 1,38 € 0,705 € Reel 0,705 € MouseReel Available	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 64V, 5KW, SMC 5KMC64AS_R1_00001 Panjit 1: 2,04 € 2.134In Stock	Mfr. Part No. 5KMC64AS_R1_00001 Mouser Part No 241-5KMC64AS	Panjit	ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 64V, 5KW, SMC Learn More about Panjit 5kmc tvs diodes	Datasheet	2.134In Stock	Cut Tape 2,04 € 1,32 € 0,903 € 0,593 € Reel 0,593 € MouseReel Available	Min.: 1 Mult.: 1 : 800
Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 QJ8035NH4RP Littelfuse 1: 7,47 € 923In Stock	Mfr. Part No. QJ8035NH4RP Mouser Part No 576-QJ8035NH4RP	Littelfuse	Triacs 35 Amp Standard High Temperature Alternistor TRIAC-TO263 Learn More about Littelfuse qjxx35xh4 alternistor triacs	Datasheet	923In Stock	Cut Tape 7,47 € 5,09 € 3,78 € Reel 3,58 € 3,53 € MouseReel Available	Min.: 1 Mult.: 1 : 500
Triacs 12 Amp High Temperature High dvdt TRIAC-TO220AB QV6012RH5TP Littelfuse 1: 1,57 € 999In Stock	Mfr. Part No. QV6012RH5TP Mouser Part No 576-QV6012RH5TP	Littelfuse	Triacs 12 Amp High Temperature High dvdt TRIAC-TO220AB Learn More about Littelfuse qvxx12xhx high temp triacs	Datasheet	999In Stock	1,57 €	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1000 V GDT28H-100-BRP Bourns 1: 1,56 € 1.464In Stock	Mfr. Part No. GDT28H-100-BRP Mouser Part No 652-GDT28H-100-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1000 V Learn More about Bourns gdt28h gdts	Datasheet	1.464In Stock	Cut Tape 1,56 € 1,42 € 1,20 € 1,10 € Reel 0,783 € View 0,989 € 0,85 € 0,734 € 0,727 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V GDT28H-110-BRP Bourns 1: 1,52 € 1.456In Stock	Mfr. Part No. GDT28H-110-BRP Mouser Part No 652-GDT28H-110-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1100 V Learn More about Bourns gdt28h gdts	Datasheet	1.456In Stock	Cut Tape 1,52 € 1,42 € 1,20 € 1,10 € Reel 0,746 € View 0,989 € 0,903 € 0,734 € 0,727 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V GDT28H-130-BRP Bourns 1: 1,51 € 1.278In Stock	Mfr. Part No. GDT28H-130-BRP Mouser Part No 652-GDT28H-130-BRP	Bourns	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors NextGen HV GDT 8 mm 1300 V Learn More about Bourns gdt28h gdts	Datasheet	1.278In Stock	Cut Tape 1,51 € 1,42 € 1,20 € 1,10 € View Reel 0,798 € 0,989 € 0,903 € 0,798 € MouseReel Available	Min.: 1 Mult.: 1 : 1.000
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 3120-N321-H7M1-W01F-16A E-T-A 1: 53,03 € 89In Stock	Mfr. Part No. 3120-N321-H7M1-W01F-16A Mouser Part No 457-321H7M1W01F16A	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 Learn More about E-T-A e t a 3120 n thermal circuit breakers	Datasheet	89In Stock	53,03 € 45,21 € 41,80 € 36,70 € 32,85 €	Min.: 1 Mult.: 1
Resettable Fuses - PPTC Radial PPTC 1.85 Ih 120V 0ZRM0185FF1A Bel Fuse 1: 1,36 € 3.858In Stock	Mfr. Part No. 0ZRM0185FF1A Mouser Part No 530-0ZRM0185FF1A	Bel Fuse	Resettable Fuses - PPTC Radial PPTC 1.85 Ih 120V Learn More about Bel Fuse bel automotive fuses	Datasheet	3.858In Stock	1,36 € 1,02 € 0,763 € 0,746 € View 0,681 € 0,64 € 0,544 € 0,542 € 0,456 €	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors K 164/470 K/J52 5% NTC Thermistor B57164K0474J052 TDK 1: 0,671 € 5.847In Stock	Mfr. Part No. B57164K0474J052 Mouser Part No 871-B57164K0474J052	TDK	NTC (Negative Temperature Coefficient) Thermistors K 164/470 K/J52 5% NTC Thermistor Learn More about TDK epcos temperature sensor systems	Datasheet	5.847In Stock	Cut Tape 0,671 € 0,633 € 0,535 € 0,503 € View Reel 0,368 € 0,49 € 0,429 € 0,368 €	Min.: 1 Mult.: 1 : 1.500
Circuit Breakers Cir Brkr,HydMag LELBXB1-1REC4-70014-40 AIRPAX 1: 91,48 € 19In Stock	Mfr. Part No. LELBXB1-1REC4-70014-40 Mouser Part No 874-BXB11REC47001440	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	19In Stock	91,48 €	Min.: 1 Mult.: 1
Circuit Breaker Accessories KIT FCCUXT2 14-1/0AWG125A 3PCUL/CSA KXT2CU-3PC ABB 1: 53,61 € 92In Stock 8Expected 10/13/2026	Mfr. Part No. KXT2CU-3PC Mouser Part No 894-KXT2CU-3PC	ABB	Circuit Breaker Accessories KIT FCCUXT2 14-1/0AWG125A 3PCUL/CSA	Datasheet	92In Stock 8Expected 10/13/2026	53,61 € 44,54 € 32,45 € 29,77 € View 29,13 € 29,06 €	Min.: 1 Mult.: 1
Circuit Breakers TMCB UL489 S00 2A SCREW 3RV27111BD10 Siemens 1: 475,55 € 4In Stock	Mfr. Part No. 3RV27111BD10 Mouser Part No 982-3RV27111BD10	Siemens	Circuit Breakers TMCB UL489 S00 2A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	4In Stock	475,55 € 413,11 € 405,71 € View Quote	Min.: 1 Mult.: 1
Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM 3VA52255ED310AA0 Siemens 1: 1.974,53 € 1In Stock	Mfr. Part No. 3VA52255ED310AA0 Mouser Part No 982-3VA52255ED310AA0	Siemens	Circuit Breakers BRKR 3VA52 3P 250A 35KA FTFM Learn More about Siemens 3va molded case circuit breakers	Datasheet	1In Stock	1.974,53 €	Min.: 1 Mult.: 1
Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W EMA51 Square D 1: 4.945,00 € 1In Stock New At Mouser	Mfr. Part No. EMA51 Mouser Part No 996-EMA51 New At Mouser	Square D	Industrial Surge Protectors SPD T1 EMA 100KA 480V 3P3W	Datasheet	1In Stock	4.945,00 €	Min.: 1 Mult.: 1

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