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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: 362,547

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Part #

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: $246.69
8In Stock
2Expected 17/7/2026
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

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Datasheet

8In Stock

2Expected 17/7/2026

$246.69

$236.26

Min.: 1
Mult.: 1

Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A

SB4030-521-00
Littelfuse
1: $787.85
5In Stock
New Product

Mfr. Part No.
SB4030-521-00

Mouser Part No
576-SB4030-521-00

New Product

Littelfuse

Industrial Surge Protectors SHOCK BLOCK CLASS A GFCI 208-240V 30A

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Datasheet

5In Stock

$787.85

$764.13

Min.: 1
Mult.: 1

Circuit Breakers PTCB TM1 10A M1 NO P

1575580
Phoenix Contact
1: $40.68
180In Stock
85On Order
New Product

Mfr. Part No.
1575580

Mouser Part No
651-1575580

New Product

Phoenix Contact

Circuit Breakers PTCB TM1 10A M1 NO P

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Datasheet

180In Stock

85On Order

$40.68

$38.90

Min.: 1
Mult.: 1

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

DGXZ+06NFNF-A
PolyPhaser
1: $264.57
52In Stock
New Product

Mfr. Part No.
DGXZ+06NFNF-A

Mouser Part No
44-DGXZ+06NFNF-A

New Product

PolyPhaser

Connectorised Surge Protectors Type N 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

52In Stock

$264.57

$250.95

Min.: 1
Mult.: 1

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

IS-50NX-C0-ME
PolyPhaser
1: $147.49
31In Stock
New Product

Mfr. Part No.
IS-50NX-C0-ME

Mouser Part No
44-IS-50NX-C0-ME

New Product

PolyPhaser

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

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Datasheet

31In Stock

$147.49

$139.89

Min.: 1
Mult.: 1

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

VHF50HN-MA
PolyPhaser
1: $222.41
12In Stock
New Product

Mfr. Part No.
VHF50HN-MA

Mouser Part No
44-VHF50HN-MA

New Product

PolyPhaser

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

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Datasheet

12In Stock

$222.41

$210.96

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-275-3+1-UT-R

1466214
Phoenix Contact
1: $519.70
14In Stock
New Product

Mfr. Part No.
1466214

Mouser Part No
651-1466214

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-275-3+1-UT-R

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Datasheet

14In Stock

$519.70

$477.36

Min.: 1
Mult.: 1

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

DGXZ+15TFTF-A
PolyPhaser
1: $253.14
15In Stock
29Expected 17/7/2026
New Product

Mfr. Part No.
DGXZ+15TFTF-A

Mouser Part No
44-DGXZ+15TFTF-A

New Product

PolyPhaser

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

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Datasheet

15In Stock

29Expected 17/7/2026

$253.14

$242.42

Min.: 1
Mult.: 1

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

GT-TFF-AL
PolyPhaser
1: $104.28
34In Stock
24On Order
New Product

Mfr. Part No.
GT-TFF-AL

Mouser Part No
44-GT-TFF-AL

New Product

PolyPhaser

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

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Datasheet

34In Stock

24On Order

$104.28

$98.72

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

TSX-NFF-HL
PolyPhaser
1: $248.17
9In Stock
New Product

Mfr. Part No.
TSX-NFF-HL

Mouser Part No
44-TSX-NFF-HL

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, Low PIM, Hazardous Location

Datasheet

9In Stock

$248.17

$235.39

Min.: 1
Mult.: 1

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter

WSXM
PolyPhaser
1: $349.68
11In Stock
New Product

Mfr. Part No.
WSXM

Mouser Part No
44-WSXM

New Product

PolyPhaser

Connectorised Surge Protectors Type N F/F Bulkhead Coaxial RF Surge Protector, 6GHz - 10GHz, DC Block, 750W, IP67, .5uJ, 10kA, Filter

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Datasheet

11In Stock

$349.68

$334.89

Min.: 1
Mult.: 1

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

PDG33G0250B2NJ
Eaton Electrical
1: $3,491.68
1In Stock
New Product

Mfr. Part No.
PDG33G0250B2NJ

Mouser Part No
504-PDG33G0250B2NJ

New Product

Eaton Electrical

Circuit Breakers PDG3,3P,250A,35KA/480V,PXR10 LSI

Datasheet

1In Stock

$3,491.68

$3,254.04

Min.: 1
Mult.: 1

Industrial Surge Protectors VAL-SPP-T2-750-3+0-UT-R

1466614
Phoenix Contact
1: $361.47
6In Stock
New Product

Mfr. Part No.
1466614

Mouser Part No
651-1466614

New Product

Phoenix Contact

Industrial Surge Protectors VAL-SPP-T2-750-3+0-UT-R

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Datasheet

6In Stock

$361.47

$354.96

Min.: 1
Mult.: 1

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

GT75-FFF
PolyPhaser
1: $241.16
11In Stock
New Product

Mfr. Part No.
GT75-FFF

Mouser Part No
44-GT75-FFF

New Product

PolyPhaser

Connectorised Surge Protectors 75 Ohm Type F F/F Bulkhead Coaxial RF Surge Protector, DC - 2.5GHz, 50W, IP67, 60 V Max., 10kA, Gas Discharge Tube

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Datasheet

11In Stock

$241.16

$228.72

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: $110.02
29In Stock
7Expected 17/7/2026
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

Learn More

Datasheet

29In Stock

7Expected 17/7/2026

$110.02

$104.35

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: $213.04
38In Stock
8Expected 10/8/2026
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

38In Stock

8Expected 10/8/2026

$213.04

$202.07

Min.: 1
Mult.: 1

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

PDG23G0150TFFJ
Eaton Electrical
1: $1,377.07
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

$1,377.07

Min.: 1
Mult.: 1

Circuit Breakers 3 POLE 100 AMP QCHW WITH TONGUE CONN

QCHW3100HT
Eaton Electrical
1: $1,967.58
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

2In Stock

$1,967.58

Min.: 1
Mult.: 1

Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding

CU-SPGP
PolyPhaser
1: $802.13
3In Stock
2On Order
New Product

Mfr. Part No.
CU-SPGP

Mouser Part No
44-CU-SPGP

New Product

PolyPhaser

Surge Protection Accessories Supplemental Hardware and Materials to for Low Inductance Grounding

Learn More

Datasheet

3In Stock

2On Order

$802.13

$784.49

Min.: 1
Mult.: 1

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

CDSOT23-SM712-Q
Bourns
1: $1.93
4,021In Stock
24,000On Order
New Product

Mfr. Part No.
CDSOT23-SM712-Q

Mouser Part No
652-CDSOT23-SM712-Q

New Product

Bourns

ESD Protection Diodes / TVS Diodes TVS 7V/12V AEC-Q101

Learn More

Datasheet

4,021In Stock

24,000On Order

Cut Tape

$1.93

$1.21

$0.804

$0.63

Reel

$0.481

View

Min.: 1
Mult.: 1

: 3,000

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

TP5.0SMDJ300CA
Littelfuse
1: $9.00
3,274In Stock
New Product

Mfr. Part No.
TP5.0SMDJ300CA

Mouser Part No
576-TP5.0SMDJ300CA

New Product

Littelfuse

ESD Protection Diodes / TVS Diodes TVS 5KW AECQ-101 TR13 RoHS

Learn More

Datasheet

3,274In Stock

Cut Tape

$9.00

$6.47

$5.24

$4.65

Reel

$4.65

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

20016752-02
TE Connectivity
1: $1,179.92
4In Stock
10On Order
New Product

Mfr. Part No.
20016752-02

Mouser Part No
571-20016752-02

New Product

TE Connectivity

NTC (Negative Temperature Coefficient) Thermistors ESAPP-ESA PROBE-RTD PT1000, 2000mm

Learn More

Datasheet

4In Stock

10On Order

$1,179.92

$1,078.71

$993.66

View

Min.: 1
Mult.: 1

Circuit Breaker Accessories PDG3, 3P, 600A, 65KA/480V, FRAME ONLY

PDG33M0600FNNN
Eaton Electrical
1: $4,344.00
1In Stock
New Product

Mfr. Part No.
PDG33M0600FNNN

Mouser Part No
504-PDG33M0600FNNN

New Product

Eaton Electrical

Circuit Breaker Accessories PDG3, 3P, 600A, 65KA/480V, FRAME ONLY

Datasheet

1In Stock

$4,344.00

Min.: 1
Mult.: 1

Circuit Breaker Accessories VI BRKT TIE BAR

3619A09H01
Eaton Electrical
1: $1,175.60
5In Stock
New Product

Mfr. Part No.
3619A09H01

Mouser Part No
504-3619A09H01

New Product

Eaton Electrical

Circuit Breaker Accessories VI BRKT TIE BAR

5In Stock

$1,175.60

Min.: 1
Mult.: 1

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

LT340032
Eaton Electrical
1: $5,283.29
1In Stock
New Product

Mfr. Part No.
LT340032

Mouser Part No
504-LT340032

New Product

Eaton Electrical

Circuit Breaker Accessories LG 3 Pole 400A LSI Electronic Trip Unit

1In Stock

$5,283.29

Min.: 1
Mult.: 1

Circuit Protection

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