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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: 361,018

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Part #

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

BF4310
PolyPhaser
1: £38.53
8In Stock
New Product

Mfr. Part No.
BF4310

Mouser Part No
44-BF4310

New Product

PolyPhaser

Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit

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Datasheet

8In Stock

£38.53

£36.18

£35.02

Min.: 1
Mult.: 1

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

BFD
PolyPhaser
1: £29.69
30In Stock
New Product

Mfr. Part No.
BFD

Mouser Part No
44-BFD

New Product

PolyPhaser

Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter

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Datasheet

30In Stock

£29.69

£27.70

£26.55

£26.54

Quote

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

DGXJ+24NFNF-A
PolyPhaser
1: £139.58
1In Stock
New Product

Mfr. Part No.
DGXJ+24NFNF-A

Mouser Part No
44-DGXJ+24NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 800MHz - 2.5GHz, 300W, IP67, 24 V Max., 25uJ, 20kA, Hybrid, Bracket Down, Hole Mount

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Datasheet

1In Stock

£139.58

£132.40

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.7GHz, DC Block, 300W, IP67, .5uJ, 18kA, Filter

DSXL-NS
PolyPhaser
1: £126.66
8In Stock
New Product

Mfr. Part No.
DSXL-NS

Mouser Part No
44-DSXL-NS

New Product

PolyPhaser

Connectorised Surge Protectors Type N/SMA F/F Bulkhead Coaxial RF Surge Protector, 700MHz - 2.7GHz, DC Block, 300W, IP67, .5uJ, 18kA, Filter

Datasheet

8In Stock

£126.66

£120.14

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

ESXDC-DFM
PolyPhaser
1: £139.74
4In Stock
New Product

Mfr. Part No.
ESXDC-DFM

Mouser Part No
44-ESXDC-DFM

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 1.5kW, IP67, 30 V Max., 25mJ, 30kA, Filter, Low PIM -155 dBc

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Datasheet

4In Stock

£139.74

£133.83

Min.: 1
Mult.: 1

Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors

GSA-KIT-N
PolyPhaser
1: £45.51
24In Stock
New Product

Mfr. Part No.
GSA-KIT-N

Mouser Part No
44-GSA-KIT-N

New Product

PolyPhaser

Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors

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Datasheet

24In Stock

£45.51

£43.09

Min.: 1
Mult.: 1

Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

GT-TFM-AL
PolyPhaser
1: £71.08
4In Stock
New Product

Mfr. Part No.
GT-TFM-AL

Mouser Part No
44-GT-TFM-AL

New Product

PolyPhaser

Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube

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Datasheet

4In Stock

£71.08

£67.42

Min.: 1
Mult.: 1

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

GTH-NFM-AL
PolyPhaser
1: £61.38
2In Stock
New Product

Mfr. Part No.
GTH-NFM-AL

Mouser Part No
44-GTH-NFM-AL

New Product

PolyPhaser

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

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Datasheet

2In Stock

£61.38

£58.22

Min.: 1
Mult.: 1

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

IS-50NX-C2-MA
PolyPhaser
1: £63.96
4In Stock
New Product

Mfr. Part No.
IS-50NX-C2-MA

Mouser Part No
44-IS-50NX-C2-MA

New Product

PolyPhaser

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

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Datasheet

4In Stock

£63.96

£60.67

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

RGT-DFF
PolyPhaser
1: £93.05
5In Stock
New Product

Mfr. Part No.
RGT-DFF

Mouser Part No
44-RGT-DFF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, DC - 2.7GHz, 400W, IP67, 60 V Max., 420uJ, 20kA, Gas Discharge Tube

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Datasheet

5In Stock

£93.05

£88.26

Min.: 1
Mult.: 1

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

TSX-DFF
PolyPhaser
1: £142.18
3In Stock
New Product

Mfr. Part No.
TSX-DFF

Mouser Part No
44-TSX-DFF

New Product

PolyPhaser

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

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Datasheet

3In Stock

£142.18

£134.84

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, w/ Bracket

TSX-DFM-BF
PolyPhaser
1: £137.37
4In Stock
New Product

Mfr. Part No.
TSX-DFM-BF

Mouser Part No
44-TSX-DFM-BF

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, w/ Bracket

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Datasheet

4In Stock

£137.37

£131.56

Min.: 1
Mult.: 1

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

TSXDC-4310FF
PolyPhaser
1: £140.92
3In Stock
New Product

Mfr. Part No.
TSXDC-4310FF

Mouser Part No
44-TSXDC-4310FF

New Product

PolyPhaser

Connectorised Surge Protectors 4.3-10 F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, 500W, IP67, 80 V Max., 1mJ, 40kA, Filter, Low PIM

Learn More

Datasheet

3In Stock

£140.92

£134.96

Min.: 1
Mult.: 1

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .005uJ, 40kA, Filter, Low PIM

TUSX-DFF
PolyPhaser
1: £134.42
2In Stock
4Expected 31/07/2026
New Product

Mfr. Part No.
TUSX-DFF

Mouser Part No
44-TUSX-DFF

New Product

PolyPhaser

Connectorised Surge Protectors 7/16 F/F Bulkhead Coaxial RF Surge Protector, 300MHz - 1.2GHz, DC Block, 2.5kW, IP67, .005uJ, 40kA, Filter, Low PIM

Learn More

Datasheet

2In Stock

4Expected 31/07/2026

£134.42

£127.50

Min.: 1
Mult.: 1

Connectorised 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: £159.87
6In Stock
New Product

Mfr. Part No.
VHF50ED-PGR

Mouser Part No
44-VHF50ED-PGR

New Product

PolyPhaser

Connectorised 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

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Datasheet

6In Stock

£159.87

£153.12

Min.: 1
Mult.: 1

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

VHF50HD
PolyPhaser
1: £143.47
2In Stock
8Expected 18/06/2026
New Product

Mfr. Part No.
VHF50HD

Mouser Part No
44-VHF50HD

New Product

PolyPhaser

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

Learn More

Datasheet

2In Stock

8Expected 18/06/2026

£143.47

£136.08

Min.: 1
Mult.: 1

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

PM12-T03-00-GND-20A-E
E-T-A
1: £26.87
14In Stock
New Product

Mfr. Part No.
PM12-T03-00-GND-20A-E

Mouser Part No
457-PM12T0300GND2AE

New Product

E-T-A

Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV

Datasheet

14In Stock

£26.87

£20.58

£19.13

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

REX22D-TA1-100-DC24V-16A-E
E-T-A
1: £65.74
7In Stock
New Product

Mfr. Part No.
REX22D-TA1-100-DC24V-16A-E

Mouser Part No
457-REX22DTA116E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,16A,ATX

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Datasheet

7In Stock

£65.74

£54.11

£53.31

£50.28

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E
E-T-A
1: £79.75
4In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2/3/4A - 6/8/10A-E

Mouser Part No
457-REX22DTD2234681E

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX

Learn More

Datasheet

4In Stock

£79.75

£66.59

£61.89

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

REX22D-TD2-100-DC24V-2A/4A/6A-E
E-T-A
1: £79.75
7In Stock
New Product

Mfr. Part No.
REX22D-TD2-100-DC24V-2A/4A/6A-E

Mouser Part No
457-REX22DTD22A4A6AE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2-4-6,ATX

Learn More

Datasheet

7In Stock

£79.75

£66.59

£61.89

Min.: 1
Mult.: 1

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

REX22D-TE2-100-DC24V-1A-3,6A-CL2-E
E-T-A
1: £77.95
4In Stock
New Product

Mfr. Part No.
REX22D-TE2-100-DC24V-1A-3,6A-CL2-E

Mouser Part No
457-REX22DTE2136CLE

New Product

E-T-A

Circuit Breakers 508,DM,24VDC,CL,2CH,1-3.6,CL2,ATX

Learn More

Datasheet

4In Stock

£77.95

£64.97

£60.50

Min.: 1
Mult.: 1

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

NTCLE213E3103FHT1A
Vishay / BC Components
1: £1.30
828In Stock
New Product

Mfr. Part No.
NTCLE213E3103FHT1A

Mouser Part No
594-NTCLE213E313FHT1

New Product

Vishay / BC Components

NTC (Negative Temperature Coefficient) Thermistors NTC Mini Ni 0.4 ld 10K 1 % Tp 0.4e/1e A

Datasheet

828In Stock

£1.30

£0.978

£0.78

£0.737

View

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 1A M1 NO P

1575557
Phoenix Contact
1: £21.48
33In Stock
New Product

Mfr. Part No.
1575557

Mouser Part No
651-1575557

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 1A M1 NO P

Learn More

Datasheet

33In Stock

£21.48

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-US-SPP-HCNG-P

1790799
Phoenix Contact
1: £57.81
5In Stock
3Expected 08/06/2026
New Product

Mfr. Part No.
1790799

Mouser Part No
651-1790799

New Product

Phoenix Contact

Industrial Surge Protectors VAL-US-SPP-HCNG-P

Learn More

Datasheet

5In Stock

3Expected 08/06/2026

£57.81

Min.: 1
Mult.: 1

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

MF-LSMF260/33X-2
Bourns
1: £0.995
2,791In Stock
New Product

Mfr. Part No.
MF-LSMF260/33X-2

Mouser Part No
652-MF-LSMF260/33X-2

New Product

Bourns

Resettable Fuses - PPTC 2920 Resettable SMD PPTC 2.6A/33V

Learn More

Datasheet

2,791In Stock

Cut Tape

£0.995

£0.743

£0.563

£0.55

View

Reel

£0.336

Min.: 1
Mult.: 1

: 4,000

Circuit Protection

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