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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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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Varistors 175VAC 10% 14mm MP AdvanceD B72214P2171K101 TDK 1: ¥103 7,664In Stock	Mfr. Part # B72214P2171K101 Mouser Part # 871-B72214P2171K101	TDK	Varistors 175VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	7,664In Stock	¥103 ¥65.3 ¥53 ¥50.5 View ¥48.5 ¥45 ¥44.7	Min.: 1 Mult.: 1
Varistors 510VAC 10% 14mm MP AdvanceD B72214P2511K101 TDK 1: ¥129.6 5,735In Stock	Mfr. Part # B72214P2511K101 Mouser Part # 871-B72214P2511K101	TDK	Varistors 510VAC 10% 14mm MP AdvanceD Learn More about TDK epcosvaristors	Datasheet	5,735In Stock	¥129.6 ¥92 ¥85.9 ¥85 View ¥83.7 ¥82.7	Min.: 1 Mult.: 1
Varistors 300VAC 10% 14mm StandarD B72214S0301K551 TDK 1: ¥86.4 9,470In Stock	Mfr. Part # B72214S0301K551 Mouser Part # 871-B72214S0301K551	TDK	Varistors 300VAC 10% 14mm StandarD Learn More about TDK epcosvaristors	Datasheet	9,470In Stock	Cut Tape ¥86.4 ¥53.8 ¥43.4 ¥41.4 Reel ¥37.7 View ¥38.4 ¥35 ¥34.9	Min.: 1 Mult.: 1 : 4,800
Varistors 680VAC 10% 20mm SuperioR MP B72220P3681K101 TDK 1: ¥398.6 8,000In Stock	Mfr. Part # B72220P3681K101 Mouser Part # 871-B72220P3681K101	TDK	Varistors 680VAC 10% 20mm SuperioR MP Learn More about TDK epcos lumileds led solutions	Datasheet	8,000In Stock	¥398.6 ¥270.7 ¥242.5 ¥229.2 View ¥220.9 ¥197.7 ¥189.4 ¥171.1	Min.: 1 Mult.: 1
Varistors 130VAC 10% 20mm StandarD B72220S0131K101 TDK 1: ¥169.4 6,662In Stock	Mfr. Part # B72220S0131K101 Mouser Part # 871-B72220S131K101	TDK	Varistors 130VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	6,662In Stock	¥169.4 ¥110.3 ¥86 ¥77.2 View ¥71.6 ¥71.4 ¥65.3	Min.: 1 Mult.: 1
Varistors 320VAC 10% 20mm StandarD B72220S0321K101 TDK 1: ¥104.6 39,887In Stock	Mfr. Part # B72220S0321K101 Mouser Part # 871-B72220S321K101	TDK	Varistors 320VAC 10% 20mm StandarD Learn More about TDK epcosvaristors	Datasheet	39,887In Stock	¥104.6 ¥63.3 ¥44.5 ¥42.5 View ¥41.4 ¥30.6 ¥28.1	Min.: 1 Mult.: 1
Varistors 1210 14V 400A 2000pF B72530T0140K062 TDK 1: ¥114.6 45,043In Stock	Mfr. Part # B72530T0140K062 Mouser Part # 871-B72530T140K62	TDK	Varistors 1210 14V 400A 2000pF Learn More about TDK epcosvaristors	Datasheet	45,043In Stock	Cut Tape ¥114.6 ¥73.4 ¥59.8 ¥57.1 Reel ¥52 View ¥54.8 ¥50.2 ¥44.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors 2220 14Vrms 10A B72540E3140S272 TDK 1: ¥697.6 6,000In Stock	Mfr. Part # B72540E3140S272 Mouser Part # 871-B72540E3140S272	TDK	Varistors 2220 14Vrms 10A Learn More about TDK automotive multilayer varistors	Datasheet	6,000In Stock	Cut Tape ¥697.6 ¥526.5 ¥483.4 ¥436.8 View Reel ¥350.5 ¥415.3 ¥400.3 ¥363.8 ¥350.5 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V B72580T6111K072 TDK 1: ¥172.7 16,553In Stock	Mfr. Part # B72580T6111K072 Mouser Part # 871-B72580T6111K72	TDK	Varistors Chip Varistors / Ceramic Transient Voltage Suppressors, Maximum continuous voltage=150V, Maximum Clamping Voltage (8/20 s)=360V Learn More about TDK epcosvaristors	Datasheet	16,553In Stock	Cut Tape ¥172.7 ¥111.6 ¥92 ¥88.2 Reel ¥80.9 View ¥84.9 ¥79.1 ¥76.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers Cir Brkr Hyd Mag IELHK11-1REC4-62-30.0-E-01-V AIRPAX 1: ¥28,114.1 12In Stock	Mfr. Part # IELHK11-1REC4-62-30.0-E-01-V Mouser Part # 874-HK111REC46230E1V	AIRPAX	Circuit Breakers Cir Brkr Hyd Mag	Datasheet	12In Stock	¥28,114.1 ¥25,577.7 ¥17,769.4 ¥15,620 View ¥12,920.9 Quote	Min.: 1 Mult.: 1
Circuit Breakers CIRCUIT BREAKER IUGN66-1-61-10.0 AIRPAX 1: ¥22,903.5 9In Stock	Mfr. Part # IUGN66-1-61-10.0 Mouser Part # 874-IUGN66-1-61-10.0	AIRPAX	Circuit Breakers CIRCUIT BREAKER Learn More about AIRPAX sensata iug breaker	Datasheet	9In Stock	¥22,903.5 ¥20,840.6 ¥14,478.9 ¥12,723.3 View ¥10,530.7 Quote	Min.: 1 Mult.: 1
Circuit Breakers Cir Brkr,HydMag IULNK1-1-51-7.00-K AIRPAX 1: ¥15,203.1 14In Stock	Mfr. Part # IULNK1-1-51-7.00-K Mouser Part # 874-IULNK11517K	AIRPAX	Circuit Breakers Cir Brkr,HydMag	Datasheet	14In Stock	¥15,203.1 ¥13,831.1 ¥9,608.9 ¥8,446.2 View ¥6,987.8 ¥6,406.5 Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW 3RV20111EA15 Siemens 1: ¥51,515.9 10In Stock	Mfr. Part # 3RV20111EA15 Mouser Part # 982-3RV20111EA15	Siemens	Circuit Breakers MSP S00 2.8-4A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	10In Stock	¥51,515.9 ¥44,448.4 ¥42,865.4 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S00 9-12.5A SCREW 3RV20111KA10 Siemens 1: ¥46,778.7 11In Stock	Mfr. Part # 3RV20111KA10 Mouser Part # 982-3RV20111KA10	Siemens	Circuit Breakers MSP S00 9-12.5A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	11In Stock	¥46,778.7 ¥41,794.1 ¥39,163.1 ¥33,025.7 View Quote	Min.: 1 Mult.: 1
Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW 3RV20214EA15 Siemens 1: ¥92,135.7 7In Stock	Mfr. Part # 3RV20214EA15 Mouser Part # 982-3RV20214EA15	Siemens	Circuit Breakers MSP S0 27-32A AUX 1NO 1NC SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	¥92,135.7 ¥76,776.4 ¥70,740.3	Min.: 1 Mult.: 1
Circuit Breakers MSP S2 CLASS 10 42-52A SCREW 3RV20314WA10 Siemens 1: ¥109,227.4 7In Stock	Mfr. Part # 3RV20314WA10 Mouser Part # 982-3RV20314WA10	Siemens	Circuit Breakers MSP S2 CLASS 10 42-52A SCREW Learn More about Siemens 3rv2 circuit breakers	Datasheet	7In Stock	¥109,227.4 ¥96,434.3 ¥83,329	Min.: 1 Mult.: 1
Circuit Breaker Accessories JG VARI DEPTH KIT - 12" SHAFT /BLACK Eaton Electrical FJHMVD12 FJHMVD12 Eaton Electrical 1: ¥41,938.6 3In Stock New Product	Mfr. Part # FJHMVD12 Mouser Part # 504-FJHMVD12 New Product	Eaton Electrical	Circuit Breaker Accessories JG VARI DEPTH KIT - 12" SHAFT /BLACK		3In Stock	¥41,938.6 ¥33,294.7 ¥31,226.8 ¥27,954.6 View Quote	Min.: 1 Mult.: 1
Circuit Breaker Accessories 10 TERMINAL GROUND BAR CONSUMER Eaton Electrical GBK10P GBK10P Eaton Electrical 1: ¥10,067.3 4In Stock New Product	Mfr. Part # GBK10P Mouser Part # 504-GBK10P New Product	Eaton Electrical	Circuit Breaker Accessories 10 TERMINAL GROUND BAR CONSUMER	Datasheet	4In Stock	¥10,067.3 ¥8,456.2 ¥7,575.8 ¥7,233.7 View ¥6,906.4 Quote	Min.: 1 Mult.: 1
Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 QV6012NH5TP Littelfuse 1: ¥882 1,100In Stock	Mfr. Part # QV6012NH5TP Mouser Part # 576-QV6012NH5TP	Littelfuse	Triacs 12 Amp High Temperature High dvdt TRIAC-TO263 Learn More about Littelfuse qvxx12xhx high temp triacs	Datasheet	1,100In Stock	¥882 ¥586.3 ¥418.6 ¥348.8	Min.: 1 Mult.: 1
Triacs 25 Amp High Temperature High dvdt TRIAC-TO263 QV6025NH5TP Littelfuse 1: ¥1,453.4 996In Stock	Mfr. Part # QV6025NH5TP Mouser Part # 576-QV6025NH5TP	Littelfuse	Triacs 25 Amp High Temperature High dvdt TRIAC-TO263 Learn More about Littelfuse qvxx25xhx alternistor triacs	Datasheet	996In Stock	¥1,453.4 ¥792.3 ¥727.5 ¥679.3	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS 1.5SMC91AHE3_A/I Vishay Semiconductors 1: ¥232.5 3,734In Stock	Mfr. Part # 1.5SMC91AHE3_A/I Mouser Part # 78-1.5SMC91AHE3_A/I	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes 1.5KW,91V 5%,UNIDIR,SMC TVS Learn More about Vishay Semiconductors vishay 1point5smc tvs diodes	Datasheet	3,734In Stock	Cut Tape ¥232.5 ¥145.3 ¥95.3 ¥70.1 Reel ¥53 View ¥63.8 ¥48.3 ¥47.8 ¥47.5	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes ESD 24V UNI TA6L24AHM3/H Vishay Semiconductors 1: ¥83.1 5,940In Stock	Mfr. Part # TA6L24AHM3/H Mouser Part # 78-TA6L24AHM3/H	Vishay Semiconductors	ESD Protection Diodes / TVS Diodes ESD 24V UNI	Datasheet	5,940In Stock	Cut Tape ¥83.1 ¥46.8 ¥40 ¥33.1 Reel ¥29.1 View ¥32.7 ¥27.6	Min.: 1 Mult.: 1 : 3,500
ESD Protection Diodes / TVS Diodes TVS, bidirectional, VRWM 24V, 5KW, SMC 5KMC24CAS-AU_R1_000A1 Panjit 1: ¥503.3 2,400In Stock	Mfr. Part # 5KMC24CAS-AU_R1_000A1 Mouser Part # 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 ¥503.3 ¥325.6 ¥264.1 ¥222.6 Reel ¥134.7 View ¥134.9 ¥130.7 ¥127.7 MouseReel Available	Min.: 1 Mult.: 1 : 800
ESD Protection Diodes / TVS Diodes TVS, unidirectional, VRWM 64V, 5KW, SMC 5KMC64AS_R1_00001 Panjit 1: ¥428.5 2,134In Stock	Mfr. Part # 5KMC64AS_R1_00001 Mouser Part # 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 ¥428.5 ¥275.7 ¥222.6 ¥187.7 Reel ¥121.3 View ¥121.4 ¥110 ¥107.5 MouseReel Available	Min.: 1 Mult.: 1 : 800
Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA 0AMA-0040-TD Bel Fuse 1: ¥1,458.4 872In Stock	Mfr. Part # 0AMA-0040-TD Mouser Part # 530-0AMA-0040-TD	Bel Fuse	Cartridge Fuses Barrier circuit fuse for use in intrinsic safety, 40mA Learn More about Bel Fuse bel 0ama fast acting fuses	Datasheet	872In Stock	Cut Tape ¥1,458.4 ¥1,210.9 ¥1,116.2 ¥926.8 Reel ¥641.1 View ¥853.8 ¥677.7 ¥614.6 ¥588	Min.: 1 Mult.: 1 : 500

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Circuit Protection

Types of Circuit Protection