.hide-partial { max-height: none; } .show-more { display: none; }

Circuit Protection

Circuit Protection devices and components are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Analog Devices, Bourns, Eaton, Phoenix Contact, TDK EPCOS, Littelfuse, Vishay, & more.
More...

Please view our selection of circuit protection devices below.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Results: 362.212

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

Filter by

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Surge Protection Accessories IX Series Pole Mount Kit

IX-POLE-KIT
PolyPhaser
1: 58,27 €
9In Stock
New Product

Mfr. Part No.
IX-POLE-KIT

Mouser Part No
44-IX-POLE-KIT

New Product

PolyPhaser

Surge Protection Accessories IX Series Pole Mount Kit

Datasheet

9In Stock

58,27 €

55,17 €

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

TK-2
PolyPhaser
1: 42,05 €
9In Stock
New Product

Mfr. Part No.
TK-2

Mouser Part No
44-TK-2

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 1 1/4 to 2 1/4 inch

Learn More

Datasheet

9In Stock

42,05 €

39,23 €

37,58 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

TSX-4310FF-P
PolyPhaser
1: 156,00 €
6In Stock
4Expected 7/17/2026
New Product

Mfr. Part No.
TSX-4310FF-P

Mouser Part No
44-TSX-4310FF-P

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

6In Stock

4Expected 7/17/2026

156,00 €

149,40 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, Low PIM

TSX-DFM
PolyPhaser
1: 198,06 €
5In Stock
New Product

Mfr. Part No.
TSX-DFM

Mouser Part No
44-TSX-DFM

New Product

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

Learn More

Datasheet

5In Stock

198,06 €

189,68 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

TSX-NFM
PolyPhaser
1: 119,92 €
9In Stock
New Product

Mfr. Part No.
TSX-NFM

Mouser Part No
44-TSX-NFM

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter

Learn More

Datasheet

9In Stock

119,92 €

113,74 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount

VUF50NHP-MA
PolyPhaser
1: 248,26 €
3In Stock
New Product

Mfr. Part No.
VUF50NHP-MA

Mouser Part No
44-VUF50NHP-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 0.5MHz - 1GHz, DC Block, 750W, IP67, 15mJ, 20kA, Filter, Bracket Down, Hole Mount

Datasheet

3In Stock

248,26 €

237,75 €

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

EM12D-TIO-000-DC24V-40A-E
E-T-A
1: 114,83 €
6In Stock
New Product

Mfr. Part No.
EM12D-TIO-000-DC24V-40A-E

Mouser Part No
457-EM12DTIO24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, IOLink, ATEX

Datasheet

6In Stock

114,83 €

97,47 €

90,58 €

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

EM12D-TMB-000-DC24V-40A-E
E-T-A
1: 156,24 €
3In Stock
New Product

Mfr. Part No.
EM12D-TMB-000-DC24V-40A-E

Mouser Part No
457-EM12DTMB24V4AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 40A Supply Module, Modbus, ATEX

Datasheet

3In Stock

156,24 €

151,92 €

135,48 €

125,90 €

Min.: 1
Mult.: 1

Circuit Breakers EDS 42kA @240 V, 2P 100 As, Load TERM

EDS2100
Eaton Electrical
1: 822,59 €
1In Stock
New Product

Mfr. Part No.
EDS2100

Mouser Part No
504-EDS2100

New Product

Eaton Electrical

Circuit Breakers EDS 42kA @240 V, 2P 100 As, Load TERM

Datasheet

1In Stock

822,59 €

693,57 €

639,44 €

View

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

EHD1025WD01
Eaton Electrical
1: 342,40 €
1In Stock
New Product

Mfr. Part No.
EHD1025WD01

Mouser Part No
504-EHD1025WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 25A W/O TERM W/KPR1A L&L

Datasheet

1In Stock

342,40 €

214,02 €

Min.: 1
Mult.: 1

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

EHD1070WD01
Eaton Electrical
1: 680,97 €
1In Stock
New Product

Mfr. Part No.
EHD1070WD01

Mouser Part No
504-EHD1070WD01

New Product

Eaton Electrical

Circuit Breakers EHD 1P 70A W/O TERMS. W/KPR1A L & L ENDS

Datasheet

1In Stock

680,97 €

533,41 €

508,95 €

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

PDG21F0060TFFJ
Eaton Electrical
1: 342,03 €
1In Stock
New Product

Mfr. Part No.
PDG21F0060TFFJ

Mouser Part No
504-PDG21F0060TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,1P,60A,25KA/480V,FXFXTMTU

Datasheet

1In Stock

342,03 €

283,34 €

261,18 €

View

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,200A,50KA/480V,FXFXTMTU

PDG23K0200TFFJ
Eaton Electrical
1: 1.030,65 €
1In Stock
New Product

Mfr. Part No.
PDG23K0200TFFJ

Mouser Part No
504-PDG23K0200TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,200A,50KA/480V,FXFXTMTU

Datasheet

1In Stock

1.030,65 €

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

PDG23M0175TFFL
Eaton Electrical
1: 999,87 €
1In Stock
New Product

Mfr. Part No.
PDG23M0175TFFL

Mouser Part No
504-PDG23M0175TFFL

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,175A,65KA/480V,FXFXTMTU

Datasheet

1In Stock

999,87 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT-R

1466578
Phoenix Contact
1: 85,19 €
7In Stock
New Product

Mfr. Part No.
1466578

Mouser Part No
651-1466578

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-335-1+0-UT-R

Learn More

Datasheet

7In Stock

85,19 €

78,26 €

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 3A F2 NO P

1509522
Phoenix Contact
1: 24,60 €
30In Stock
New Product

Mfr. Part No.
1509522

Mouser Part No
651-1509522

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 3A F2 NO P

Learn More

Datasheet

30In Stock

24,60 €

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 4A M1 NO P

1575566
Phoenix Contact
1: 24,60 €
21In Stock
8Expected 7/3/2026
New Product

Mfr. Part No.
1575566

Mouser Part No
651-1575566

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 4A M1 NO P

Learn More

Datasheet

21In Stock

8Expected 7/3/2026

24,60 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/65/1+0-R

1790752
Phoenix Contact
1: 85,05 €
2In Stock
8On Order
New Product

Mfr. Part No.
1790752

Mouser Part No
651-1790752

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/65/1+0-R

Learn More

Datasheet

2In Stock

8On Order

85,05 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240/50-P

1790761
Phoenix Contact
1: 47,30 €
6In Stock
New Product

Mfr. Part No.
1790761

Mouser Part No
651-1790761

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240/50-P

Learn More

Datasheet

6In Stock

47,30 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240D/65-P

1803625
Phoenix Contact
1: 61,93 €
7In Stock
New Product

Mfr. Part No.
1803625

Mouser Part No
651-1803625

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240D/65-P

Learn More

Datasheet

7In Stock

61,93 €

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN12A-M3/H
Vishay Semiconductors
1: 1,04 €
3.000In Stock
New Product

Mfr. Part No.
2KDFN12A-M3/H

Mouser Part No
78-2KDFN12A-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3.000In Stock

1,04 €

0,654 €

0,429 €

0,332 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN12CA-M3/H
Vishay Semiconductors
1: 1,02 €
1.500In Stock
1.500Expected 6/25/2026
New Product

Mfr. Part No.
2KDFN12CA-M3/H

Mouser Part No
78-2KDFN12CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

1.500In Stock

1.500Expected 6/25/2026

1,02 €

0,742 €

0,505 €

0,398 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN36CA-M3/H
Vishay Semiconductors
1: 1,18 €
3.000In Stock
New Product

Mfr. Part No.
2KDFN36CA-M3/H

Mouser Part No
78-2KDFN36CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3.000In Stock

1,18 €

0,748 €

0,495 €

0,388 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes

2KDFN82CA-M3/H
Vishay Semiconductors
1: 1,18 €
3.000In Stock
New Product

Mfr. Part No.
2KDFN82CA-M3/H

Mouser Part No
78-2KDFN82CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes

Learn More

Datasheet

3.000In Stock

1,18 €

0,748 €

0,495 €

0,388 €

View

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A BIDIR TVS

3KDFN13CA-M3/H
Vishay Semiconductors
1: 1,35 €
3.000In Stock
New Product

Mfr. Part No.
3KDFN13CA-M3/H

Mouser Part No
78-3KDFN13CA-M3/H

New Product

Vishay Semiconductors

ESD Protection Diodes / TVS Diodes 3KW,13V 5%, DFN6546A BIDIR TVS

Learn More

Datasheet

3.000In Stock

Cut Tape

1,35 €

0,858 €

0,568 €

0,445 €

Reel

0,341 €

View

Min.: 1
Mult.: 1

: 1.500

Circuit Protection

Types of Circuit Protection

Customer Service Office

Company

Resources

Support