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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: 361,835

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Part #

Connectorized 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: $153.69
182In Stock
92On Order
New Product

Mfr. Part #
IS-B50LN-C2

Mouser Part #
44-IS-B50LN-C2

New Product

PolyPhaser

Connectorized 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

182In Stock

92On Order

$153.69

$145.77

Min.: 1
Mult.: 1

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

LGU3630NN
Eaton Electrical
1: $20,207.38
1In Stock
New Product

Mfr. Part #
LGU3630NN

Mouser Part #
504-LGU3630NN

New Product

Eaton Electrical

Circuit Breakers LG 3 POLE 150KA FRAME ONLY

Datasheet

1In Stock

$20,207.38

Min.: 1
Mult.: 1

Connectorized 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: $116.50
26In Stock
6Expected 2026-07-01
New Product

Mfr. Part #
IS-50NX-C0

Mouser Part #
44-IS-50NX-C0

New Product

PolyPhaser

Connectorized 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

Learn More

Datasheet

26In Stock

6Expected 2026-07-01

$116.50

$110.49

Min.: 1
Mult.: 1

Connectorized 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: $225.58
35In Stock
7Expected 2026-06-19
New Product

Mfr. Part #
TSX-NFF

Mouser Part #
44-TSX-NFF

New Product

PolyPhaser

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

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Datasheet

35In Stock

7Expected 2026-06-19

$225.58

$213.96

Min.: 1
Mult.: 1

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

PDG23G0150TFFJ
Eaton Electrical
1: $1,458.07
3In Stock
New Product

Mfr. Part #
PDG23G0150TFFJ

Mouser Part #
504-PDG23G0150TFFJ

New Product

Eaton Electrical

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

Datasheet

3In Stock

$1,458.07

Min.: 1
Mult.: 1

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

QCHW3100HT
Eaton Electrical
1: $2,063.92
2In Stock
New Product

Mfr. Part #
QCHW3100HT

Mouser Part #
504-QCHW3100HT

New Product

Eaton Electrical

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

2In Stock

$2,063.92

Min.: 1
Mult.: 1

Connectorized 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: $178.47
16In Stock
New Product

Mfr. Part #
IS-B50HN-C0-MA

Mouser Part #
44-IS-B50HN-C0-MA

New Product

PolyPhaser

Connectorized 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

$178.47

$169.29

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME

IS-B50LN-C0-ME
PolyPhaser
1: $161.12
85In Stock
350On Order
New Product

Mfr. Part #
IS-B50LN-C0-ME

Mouser Part #
44-IS-B50LN-C0-ME

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Hole Mount, Use IS-B50LN-C2-ME

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Datasheet

85In Stock

350On Order

$161.12

$152.83

Min.: 1
Mult.: 1

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

FD3050VH09
Eaton Electrical
1: $2,806.43
2In Stock
New Product

Mfr. Part #
FD3050VH09

Mouser Part #
504-FD3050VH09

New Product

Eaton Electrical

Circuit Breakers FD 3P 50AMP 50 DEGREE NAVAL APPLICATION

Datasheet

2In Stock

$2,806.43

Min.: 1
Mult.: 1

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

PDG23F0200TFFJ
Eaton Electrical
1: $1,603.79
2In Stock
New Product

Mfr. Part #
PDG23F0200TFFJ

Mouser Part #
504-PDG23F0200TFFJ

New Product

Eaton Electrical

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

Datasheet

2In Stock

$1,603.79

Min.: 1
Mult.: 1

Connectorized 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: $141.29
34In Stock
7Expected 2026-07-01
New Product

Mfr. Part #
IS-50NX-C2

Mouser Part #
44-IS-50NX-C2

New Product

PolyPhaser

Connectorized 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

34In Stock

7Expected 2026-07-01

$141.29

$134.01

Min.: 1
Mult.: 1

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B

IXG-05
PolyPhaser
1: $268.03
12In Stock
New Product

Mfr. Part #
IXG-05

Mouser Part #
44-IXG-05

New Product

PolyPhaser

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 4 Pair Gigabit Ethernet, PoE, UL 497B

Learn More

Datasheet

12In Stock

$268.03

$256.68

Min.: 1
Mult.: 1

Connectorized 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: $261.20
9In Stock
New Product

Mfr. Part #
TSX-4310FF-P

Mouser Part #
44-TSX-4310FF-P

New Product

PolyPhaser

Connectorized 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

9In Stock

$261.20

$250.16

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

VHF50HN
PolyPhaser
1: $208.22
40In Stock
70On Order
New Product

Mfr. Part #
VHF50HN

Mouser Part #
44-VHF50HN

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Bracket Down, Hole Mount

Learn More

Datasheet

40In Stock

70On Order

$208.22

$197.50

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+36NFNF-A
PolyPhaser
1: $277.11
44In Stock
New Product

Mfr. Part #
DGXZ+36NFNF-A

Mouser Part #
44-DGXZ+36NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

44In Stock

$277.11

$265.39

Min.: 1
Mult.: 1

Connectorized Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

GTH-SFF-AL
PolyPhaser
1: $105.28
38In Stock
12Expected 2026-07-31
New Product

Mfr. Part #
GTH-SFF-AL

Mouser Part #
44-GTH-SFF-AL

New Product

PolyPhaser

Connectorized Surge Protectors RF Surge Protector SPD, SMA F/F, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

Datasheet

38In Stock

12Expected 2026-07-31

$105.28

$99.68

Min.: 1
Mult.: 1

Connectorized Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

GTH-SFM-AL
PolyPhaser
1: $114.26
28In Stock
9Expected 2026-07-03
New Product

Mfr. Part #
GTH-SFM-AL

Mouser Part #
44-GTH-SFM-AL

New Product

PolyPhaser

Connectorized Surge Protectors RF Surge Protector SPD, SMA F/M, DC - 6GHz, 150W, 60 V Max., 10kA, Gas Discharge Tube

Datasheet

28In Stock

9Expected 2026-07-03

$114.26

$108.19

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount

VHF50ED-PGR
PolyPhaser
1: $306.63
7In Stock
New Product

Mfr. Part #
VHF50ED-PGR

Mouser Part #
44-VHF50ED-PGR

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 F/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -155 dBc, Bracket Down, Hole Mount

Learn More

Datasheet

7In Stock

$306.63

$293.67

Min.: 1
Mult.: 1

Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3

C40F42D400
Schneider Electric
1: $8,245.93
1In Stock
New At Mouser

Mfr. Part #
C40F42D400

Mouser Part #
996-C40F42D400

New At Mouser

Schneider Electric

Circuit Breakers NSX400F 36kA AC 4P4D 400A 2.3

Datasheet

1In Stock

$8,245.93

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXZ+15NFNF-A
PolyPhaser
1: $267.74
9In Stock
33Expected 2026-06-18
New Product

Mfr. Part #
DGXZ+15NFNF-A

Mouser Part #
44-DGXZ+15NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 15 V Max., 500uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

33Expected 2026-06-18

$267.74

$253.94

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFF-AL
PolyPhaser
1: $102.72
58In Stock
120On Order
New Product

Mfr. Part #
GT-NFF-AL

Mouser Part #
44-GT-NFF-AL

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

58In Stock

120On Order

$102.72

$97.24

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFM-AL
PolyPhaser
1: $93.72
28In Stock
New Product

Mfr. Part #
GT-NFM-AL

Mouser Part #
44-GT-NFM-AL

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

28In Stock

$93.72

$88.73

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount

IS-NEMP-C0
PolyPhaser
1: $279.37
12In Stock
New Product

Mfr. Part #
IS-NEMP-C0

Mouser Part #
44-IS-NEMP-C0

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 500W, 75uJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

12In Stock

$279.37

$267.57

Min.: 1
Mult.: 1

Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION

PDG33MH350MSAJ
Eaton Electrical
1: $5,434.01
1In Stock
New Product

Mfr. Part #
PDG33MH350MSAJ

Mouser Part #
504-PDG33MH350MSAJ

New Product

Eaton Electrical

Circuit Breakers PDG3, 600A FRAME, MCP, STD CALIBRATION

Datasheet

1In Stock

$5,434.01

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included

103-0324A-A
PolyPhaser
1: $143.77
29In Stock
6Expected 2026-06-11
New Product

Mfr. Part #
103-0324A-A

Mouser Part #
44-103-0324A-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, DC - 3.0GHz, DC Pass, 60V, 2000W, IP67, 20kA, Gas Tube, Bracket Included

Datasheet

29In Stock

6Expected 2026-06-11

$143.77

$136.37

Min.: 1
Mult.: 1

Circuit Protection

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