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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.
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Please view our selection of circuit protection devices below.

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Types of Circuit Protection

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Results: 361.900

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Part #

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount

IS-B50LN-C2
PolyPhaser
1: 94,75 €
196In Stock
195On Order
New Product

Mfr. Part No.
IS-B50LN-C2

Mouser Part No
44-IS-B50LN-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 120uJ, 20kA, Blocking Cap, Hole Mount

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Datasheet

196In Stock

195On Order

94,75 €

89,86 €

Min.: 1
Mult.: 1

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

LGU3630NN
Eaton Electrical
1: 12.068,29 €
1In Stock
New Product

Mfr. Part No.
LGU3630NN

Mouser Part No
504-LGU3630NN

New Product

Eaton Electrical

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

Datasheet

1In Stock

12.068,29 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXJ+36NFNF-A
PolyPhaser
1: 184,49 €
9In Stock
New Product

Mfr. Part No.
CGXJ+36NFNF-A

Mouser Part No
44-CGXJ+36NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

9In Stock

184,49 €

176,69 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C0
PolyPhaser
1: 69,57 €
31In Stock
7Expected 8/7/2026
New Product

Mfr. Part No.
IS-50NX-C0

Mouser Part No
44-IS-50NX-C0

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 3.5mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

31In Stock

7Expected 8/7/2026

69,57 €

65,99 €

Min.: 1
Mult.: 1

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

TSX-NFF
PolyPhaser
1: 146,57 €
18In Stock
48On Order
New Product

Mfr. Part No.
TSX-NFF

Mouser Part No
44-TSX-NFF

New Product

PolyPhaser

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

Learn More

Datasheet

18In Stock

48On Order

146,57 €

139,02 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

TUSX-NFF
PolyPhaser
1: 162,78 €
22In Stock
23Expected 7/24/2026
New Product

Mfr. Part No.
TUSX-NFF

Mouser Part No
44-TUSX-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .0075uJ, 40kA, Filter

Learn More

Datasheet

22In Stock

23Expected 7/24/2026

162,78 €

155,90 €

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

PDG23G0150TFFJ
Eaton Electrical
1: 870,79 €
3In Stock
New Product

Mfr. Part No.
PDG23G0150TFFJ

Mouser Part No
504-PDG23G0150TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,150A,35KA/480V,FXFXTMTU

Datasheet

3In Stock

870,79 €

Min.: 1
Mult.: 1

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

QCHW3100HT
Eaton Electrical
1: 1.244,21 €
2In Stock
New Product

Mfr. Part No.
QCHW3100HT

Mouser Part No
504-QCHW3100HT

New Product

Eaton Electrical

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

Datasheet

2In Stock

1.244,21 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube

108-1118B-A
PolyPhaser
1: 81,42 €
42In Stock
New Product

Mfr. Part No.
108-1118B-A

Mouser Part No
44-108-1118B-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 1.0GHz, DC Pass, 60V, 100W, 4kA, Gas Tube

Datasheet

42In Stock

81,42 €

77,23 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+06TFTF-A
PolyPhaser
1: 155,45 €
9In Stock
46On Order
New Product

Mfr. Part No.
DGXZ+06TFTF-A

Mouser Part No
44-DGXZ+06TFTF-A

New Product

PolyPhaser

Connectorised Surge Protectors TNC F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 6 V Max., 175uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

9In Stock

46On Order

155,45 €

147,45 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ-60NFNF-A
PolyPhaser
1: 168,21 €
9In Stock
New Product

Mfr. Part No.
DGXZ-60NFNF-A

Mouser Part No
44-DGXZ-60NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

168,21 €

161,10 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

DT-NFF
PolyPhaser
1: 66,72 €
22In Stock
New Product

Mfr. Part No.
DT-NFF

Mouser Part No
44-DT-NFF

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3GHz, 40W, IP67, 60 V Max., 500uJ, 4kA, Gas Discharge Tube

Learn More

Datasheet

22In Stock

66,72 €

63,16 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

GTH-NFF-AL
PolyPhaser
1: 69,57 €
47In Stock
27On Order
New Product

Mfr. Part No.
GTH-NFF-AL

Mouser Part No
44-GTH-NFF-AL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 1000W, IP67, 60 V Max., 2.5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

47In Stock

27On Order

69,57 €

65,99 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-B50HN-C0-MA
PolyPhaser
1: 106,59 €
16In Stock
New Product

Mfr. Part No.
IS-B50HN-C0-MA

Mouser Part No
44-IS-B50HN-C0-MA

New Product

PolyPhaser

Connectorised Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 20mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

16In Stock

106,59 €

101,10 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

IS-B50HN-C2
PolyPhaser
1: 105,11 €
48In Stock
10Expected 8/14/2026
New Product

Mfr. Part No.
IS-B50HN-C2

Mouser Part No
44-IS-B50HN-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 20kA, Blocking Cap, Hole Mount

Learn More

Datasheet

48In Stock

10Expected 8/14/2026

105,11 €

99,69 €

Min.: 1
Mult.: 1

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

FD3050VH09
Eaton Electrical
1: 1.676,06 €
2In Stock
New Product

Mfr. Part No.
FD3050VH09

Mouser Part No
504-FD3050VH09

New Product

Eaton Electrical

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

Datasheet

2In Stock

1.676,06 €

Min.: 1
Mult.: 1

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

PDG23F0200TFFJ
Eaton Electrical
1: 957,82 €
2In Stock
New Product

Mfr. Part No.
PDG23F0200TFFJ

Mouser Part No
504-PDG23F0200TFFJ

New Product

Eaton Electrical

Circuit Breakers PDG2,3P,200A,25KA/480V,FXFXTMTU

Datasheet

2In Stock

957,82 €

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R

1790750
Phoenix Contact
1: 338,41 €
5In Stock
New Product

Mfr. Part No.
1790750

Mouser Part No
651-1790750

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-120/50/3+1-R

Learn More

Datasheet

5In Stock

338,41 €

310,92 €

Min.: 1
Mult.: 1

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

CS3-100
PolyPhaser
1: 1.059,87 €
3In Stock
New Product

Mfr. Part No.
CS3-100

Mouser Part No
44-CS3-100

New Product

PolyPhaser

Surge Protection Accessories 100 Foot Long 3 inch Wide Copper Strap

Learn More

Datasheet

3In Stock

1.059,87 €

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C2
PolyPhaser
1: 84,38 €
66In Stock
13Expected 7/29/2026
New Product

Mfr. Part No.
IS-50NX-C2

Mouser Part No
44-IS-50NX-C2

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 375W, 220uJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

Learn More

Datasheet

66In Stock

13Expected 7/29/2026

84,38 €

80,03 €

Min.: 1
Mult.: 1