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: 362,227
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS


PolyPhaser Surge Protection Accessories Transition Clamp with Shims to Connect Copper to Galvanized Tower Legs for 2 1/4 to 3 1/4 inch 9In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised Surge Protectors Type N F/M Bulkhead Coaxial RF Surge Protector, 698MHz - 2.7GHz, DC Block, 500W, IP67, .005uJ, 40kA, Filter, w/ Bracket 6In Stock
Min.: 1
Mult.: 1

PolyPhaser Connectorised Surge Protectors 4.3-10 M/F Coaxial RF Surge Protector, 100MHz - 520MHz, DC Block, 750W, 20kA, Bracket Down 6In Stock
Min.: 1
Mult.: 1
PolyPhaser Connectorised 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 3In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,10-12-15,ATX 12In Stock
Min.: 1
Mult.: 1

E-T-A Circuit Breakers 508,DM,24VDC,CL,12-16-20,ATX 4In Stock
Min.: 1
Mult.: 1

Eaton Electrical Circuit Breakers 1PH/BR LC 70A MLO 2/4 Cir Al Bus N3R 1In Stock
Min.: 1
Mult.: 1
Eaton Electrical Circuit Breakers CH 30MA GFI 60A/2 POLE 120/240V 10K 1In Stock
Min.: 1
Mult.: 1
Phoenix Contact Industrial Surge Protectors VAL-SPP-T2-275-1+1-UT-R 6In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-120/50/2+0-R 3In Stock
6Expected 10/8/2026
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-120/50/2+1-R 3In Stock
7On Order
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-277/50/1+0-R 3In Stock
5Expected 17/8/2026
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-400/40-P 7In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-240D/65/2+0-R 7In Stock
Min.: 1
Mult.: 1

Phoenix Contact Industrial Surge Protectors VAL-US-SPP-240D/65/3+0-R 5In Stock
Min.: 1
Mult.: 1

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3,000In Stock
Min.: 1
Mult.: 1
Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,15V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,16V 5%, DFN6546A TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 3KW,18V 5%, DFN6546A BIDIR TVS 3,000In Stock
Min.: 1
Mult.: 1
: 1,500

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,54V 5%,SMD PAR 580In Stock
Min.: 1
Mult.: 1
: 750

Vishay Semiconductors ESD Protection Diodes / TVS Diodes 8W,64V 5%,SMD PAR 568In Stock
Min.: 1
Mult.: 1
: 750