Circuit Protection

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.
Results: 366.685
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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse Automotive Fuses FUSE - ZCASE MEGA 32V M10 250A 480 PC
Datasheet
321In Stock
Min.: 1
Mult.: 1
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
Datasheet
52In Stock
107Expected 4/9/2026
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, DC - 6GHz, 90W, IP67, 60 V Max., 5mJ, 20kA, Gas Discharge Tube
Datasheet
36In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors Type N M/F Bulkhead Coaxial RF Surge Protector, 125MHz - 1GHz, DC Block, 500W, 800uJ, 50kA, Blocking Cap, Hole Mount
Datasheet
15In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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
25In Stock
Min.: 1
Mult.: 1

Citel Industrial Surge Protectors UL1449 5th Edition Type 1 SPD, Imax 75kA, 120/240 VAC Split Phase
Datasheet
15In Stock
Min.: 1
Mult.: 1

TE Connectivity / P&B Circuit Breakers W52-A162A1-8=CKTBKR,THERM,ROCK,QC.250RED OPAQUE 250VAC
Datasheet
1.000In Stock
Min.: 1
Mult.: 1

PolyPhaser Surge Protection Accessories Flange to Bulkhead Type 4.3-10 Adapter Kit
Datasheet
8In Stock
Min.: 1
Mult.: 1
PolyPhaser Surge Protection Accessories Kit Flange to Bulkhead DIN Adapter
Datasheet
29In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/F Coaxial RF Surge Protector, 40MHz - 400MHz, 100W, IP67, 60 V Max., 2.5mJ, 20kA, Hybrid, Bracket Down, Hole Mount
Datasheet
2In Stock
7Expected 3/17/2026
Min.: 1
Mult.: 1

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
Min.: 1
Mult.: 1

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
Datasheet
4In Stock
Min.: 1
Mult.: 1

PolyPhaser Surge Protection Accessories Ground Strap Adapter Kit for SX Series N Connectors
Datasheet
23In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors TNC F/M Bulkhead Coaxial RF Surge Protector, DC - 7GHz, DC Pass, 90W, IP67, 4mJ, 20kA, Gas Discharge Tube
Datasheet
4In Stock
Min.: 1
Mult.: 1

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
Datasheet
8In Stock
Min.: 1
Mult.: 1

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
Datasheet
7In Stock
Min.: 1
Mult.: 1
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
Datasheet
8In Stock
Min.: 1
Mult.: 1

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
Datasheet
4In Stock
Min.: 1
Mult.: 1

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
Datasheet
4In Stock
Min.: 1
Mult.: 1
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
Datasheet
4In Stock
3Expected 3/27/2026
Min.: 1
Mult.: 1

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
Datasheet
8In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breaker Accessories 508, DM, 40A Distribution Module Standard, without Aux, ATEX
Datasheet
6In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breaker Accessories 508, DM, 20A, Distribution Module, GND - OV
Datasheet
14In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,16A,ATX
Datasheet
4In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,2,3,4..6,8,10,ATX
Datasheet
4In Stock
Min.: 1
Mult.: 1