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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: 362,143

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Part #

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

IS-50NX-C0-MA
PolyPhaser
1: $153.69
1In Stock
3Expected 2026-08-21
New Product

Mfr. Part #
IS-50NX-C0-MA

Mouser Part #
44-IS-50NX-C0-MA

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 2kW, 10mJ, 50kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

1In Stock

3Expected 2026-08-21

$153.69

$145.77

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount

IS-B50LN-C0-MA
PolyPhaser
1: $161.12
9In Stock
New Product

Mfr. Part #
IS-B50LN-C0-MA

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

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 10MHz - 1GHz, DC Block, 1.5kW, 3.5mJ, 20kA, Blocking Cap, Bracket Up, Hole Mount

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Datasheet

9In Stock

$161.12

$152.83

Min.: 1
Mult.: 1

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

IX-2H1DC48
PolyPhaser
1: $268.03
5In Stock
New Product

Mfr. Part #
IX-2H1DC48

Mouser Part #
44-IX-2H1DC48

New Product

PolyPhaser

Connectorized Surge Protectors Outdoor Twisted Pair Lightning Surge Protector, 2 Pair 100Base-T Ethernet, 1 Pair 48Vdc, UL 497B

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Datasheet

5In Stock

$268.03

$256.68

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

LSXL-ME
PolyPhaser
1: $223.10
5In Stock
New Product

Mfr. Part #
LSXL-ME

Mouser Part #
44-LSXL-ME

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 1.8GHz - 6GHz, DC Block, 10W, IP67, .5uJ, 18kA, Filter

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Datasheet

5In Stock

$223.10

$211.61

Min.: 1
Mult.: 1

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

TK-3
PolyPhaser
1: $72.98
9In Stock
New Product

Mfr. Part #
TK-3

Mouser Part #
44-TK-3

New Product

PolyPhaser

Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch

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Datasheet

9In Stock

$72.98

$68.10

$65.25

$65.23

Quote

Min.: 1
Mult.: 1

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

TSX-NFM-BF
PolyPhaser
1: $237.99
6In Stock
New Product

Mfr. Part #
TSX-NFM-BF

Mouser Part #
44-TSX-NFM-BF

New Product

PolyPhaser

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

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Datasheet

6In Stock

$237.99

$225.73

Min.: 1
Mult.: 1

Connectorized Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down

VHF50B43-MA-BD
PolyPhaser
1: $336.17
6In Stock
New Product

Mfr. Part #
VHF50B43-MA-BD

Mouser Part #
44-VHF50B43-MA-BD

New Product

PolyPhaser

Connectorized Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down

Datasheet

6In Stock

$336.17

$321.96

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

VHF50D-MA-PGR
PolyPhaser
1: $315.73
4In Stock
New Product

Mfr. Part #
VHF50D-MA-PGR

Mouser Part #
44-VHF50D-MA-PGR

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 100MHz - 512MHz, DC Block, 750W, IP67, .5uJ, 20kA, Filter, Low PIM -150 dBc, Bracket Down, Hole Mount

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Datasheet

4In Stock

$315.73

$302.37

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

REX22D-TD1-100-DC24V-10A/12A/15A-E
E-T-A
1: $132.68
4In Stock
16On Order
New Product

Mfr. Part #
REX22D-TD1-100-DC24V-10A/12A/15A-E

Mouser Part #
457-REX22DTD1101215E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX

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Datasheet

4In Stock

16On Order

$132.68

$109.63

$108.04

$101.89

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

REX22D-TD1-100-DC24V-12A/16A/20A-E
E-T-A
1: $132.68
5In Stock
New Product

Mfr. Part #
REX22D-TD1-100-DC24V-12A/16A/20A-E

Mouser Part #
457-REX22DTD1121620E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX

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Datasheet

5In Stock

$132.68

$109.63

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

1466212
Phoenix Contact
1: $268.49
5In Stock
New Product

Mfr. Part #
1466212

Mouser Part #
651-1466212

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R

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Datasheet

5In Stock

$268.49

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-240D/65/3+0-R

1790787
Phoenix Contact
1: $432.59
3In Stock
3Expected 2026-08-31
New Product

Mfr. Part #
1790787

Mouser Part #
651-1790787

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-240D/65/3+0-R

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Datasheet

3In Stock

3Expected 2026-08-31

$432.59

$397.44

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

111-1010
PolyPhaser
1: $168.57
9In Stock
New Product

Mfr. Part #
111-1010

Mouser Part #
44-111-1010

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 2.0GHz - 6.0GHz, DC Block 10W, 10kA, Blocking Capacitor

Datasheet

9In Stock

$168.57

$159.88

Min.: 1
Mult.: 1

Surge Protection Accessories Hardware Kit, 108-1118B

9100-0453-A
PolyPhaser
1: $40.55
28In Stock
New Product

Mfr. Part #
9100-0453-A

Mouser Part #
44-9100-0453-A

New Product

PolyPhaser

Surge Protection Accessories Hardware Kit, 108-1118B

Datasheet

28In Stock

$40.55

$34.42

$32.88

$29.39

Min.: 1
Mult.: 1

Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, DC - 50MHz, 1W, IP67, 15 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

AGXZ+15TFTF-A
PolyPhaser
1: $235.50
9In Stock
New Product

Mfr. Part #
AGXZ+15TFTF-A

Mouser Part #
44-AGXZ+15TFTF-A

New Product

PolyPhaser

Connectorized Surge Protectors TNC F/F Coaxial RF Surge Protector, DC - 50MHz, 1W, IP67, 15 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

9In Stock

$235.50

$223.37

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+36NFNF-A
PolyPhaser
1: $245.42
8In Stock
36On Order
New Product

Mfr. Part #
CGXZ+36NFNF-A

Mouser Part #
44-CGXZ+36NFNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N F/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

8In Stock

36On Order

$245.42

$232.78

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

CGXZ+36NMNF-A
PolyPhaser
1: $270.22
7In Stock
New Product

Mfr. Part #
CGXZ+36NMNF-A

Mouser Part #
44-CGXZ+36NMNF-A

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Coaxial RF Surge Protector, 400MHz - 1.2GHz, 300W, IP67, 36 V Max., 1mJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

7In Stock

$270.22

$256.31

Min.: 1
Mult.: 1

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXH+48DMDF-A
PolyPhaser
1: $293.01
5In Stock
New Product

Mfr. Part #
DGXH+48DMDF-A

Mouser Part #
44-DGXH+48DMDF-A

New Product

PolyPhaser

Connectorized Surge Protectors 7/16 M/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 500W, IP67, 48 V Max., 146uJ, 20kA, Hybrid, Bracket Down, Hole Mount

Learn More

Datasheet

5In Stock

$293.01

$280.61

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

DGXR+06NMNF-Z
PolyPhaser
1: $230.54
5In Stock
New Product

Mfr. Part #
DGXR+06NMNF-Z

Mouser Part #
44-DGXR+06NMNF-Z

New Product

PolyPhaser

Connectorized Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 550MHz - 2700MHz, DC Pass, 6V, IP67, 20kA, Hybrid, Bracket Up, Hole Mount

Datasheet

5In Stock

$230.54

$218.66

Min.: 1
Mult.: 1

Connectorized Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

DSXL-T-MA
PolyPhaser
1: $431.58
2In Stock
New Product

Mfr. Part #
DSXL-T-MA

Mouser Part #
44-DSXL-T-MA

New Product

PolyPhaser

Connectorized Surge Protectors TNC M/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.5GHz, DC Block, 500W, IP67, .5uJ, 18kA, Filter

Datasheet

2In Stock

$431.58

$413.32

Min.: 1
Mult.: 1

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

GT-NFSF-AL
PolyPhaser
1: $185.92
3In Stock
4Expected 2026-08-24
New Product

Mfr. Part #
GT-NFSF-AL

Mouser Part #
44-GT-NFSF-AL

New Product

PolyPhaser

Connectorized Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, DC - 7GHz, 90W, IP67, 9 V Max., 5mJ, 20kA, Gas Discharge Tube

Learn More

Datasheet

3In Stock

4Expected 2026-08-24

$185.92

$176.34

Min.: 1
Mult.: 1

Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

IS-B50HU-C0
PolyPhaser
1: $200.79
11In Stock
New Product

Mfr. Part #
IS-B50HU-C0

Mouser Part #
44-IS-B50HU-C0

New Product

PolyPhaser

Connectorized Surge Protectors UHF F/F Bulkhead Coaxial RF Surge Protector, 1.5MHz - 700MHz, DC Block, 3kW, 20mJ, 50kA, Blocking Cap, Hole Mount

Learn More

Datasheet

11In Stock

$200.79

$190.45

Min.: 1
Mult.: 1

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

IS-B50LN-C2-MA
PolyPhaser
1: $163.60
5In Stock
New Product

Mfr. Part #
IS-B50LN-C2-MA

Mouser Part #
44-IS-B50LN-C2-MA

New Product

PolyPhaser

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

Learn More

Datasheet

5In Stock

$163.60

$155.17

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

PM12-T01-00-LOAD-20A-E
E-T-A
1: $56.06
7In Stock
New Product

Mfr. Part #
PM12-T01-00-LOAD-20A-E

Mouser Part #
457-PM12T100LOAD2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, Load, ATEX

Datasheet

7In Stock

$56.06

$43.24

$42.60

$40.19

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

REX22D-TA1-100-DC24V-20A-E
E-T-A
1: $126.09
11In Stock
New Product

Mfr. Part #
REX22D-TA1-100-DC24V-20A-E

Mouser Part #
457-REX22DTA120E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,20A,ATX

Learn More

Datasheet

11In Stock

$126.09

$103.78

$102.25

$96.45

Min.: 1
Mult.: 1

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