Industrial Automation and Controls | Protection Relays & Systems
Shop DigiKey''s large in-stock selection of Protection Relays & Systems. View inventory, pricing and order now for same day shipping!
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Electrical Relays
Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support.
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Protective Relays Manufacturers and Suppliers in the USA
Wires, sensors, controllers, switches, enclosure, racks, thermal, management enclosures, lights, relays, timers, pneumatic, and hydraulic and portable water components are also offered.
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Protective Relays
SEL feeder relays enhance distribution system safety and reliability with comprehensive overcurrent, arc-flash, and backup protection. They are designed for utility, industrial, and commercial environments.
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ABB Protection Relays
Buy ABB Protection Relays in our online store. Authorized Distributor of ABB.
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Protection, Control & Metering
GE Vernova''s Protection, Control, and Metering solutions deliver precise, high-performance automation for today''s evolving grid. From advanced relays to multifunction meters, our portfolio helps utilities
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Protection Relays | Overcurrent, Differential & Distance Relays
RSP Supply offers a comprehensive range of protection relays for industrial, utility, and infrastructure applications. Our selection includes numerical relays supporting overcurrent, differential, distance,
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SIPROTEC Protection Relays | Siemens
Siemens'' universal protection relays portfolio includes products such as SIPROTEC 7SX800 and 7SX85 to provide flexibility and cost savings. Our devices cover a wide range of
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Protection Relays
Discover our range of products in Protection Relays: PowerLogic™ P3 Protection Relays,Sepam series 80,Vamp Arc Protection Relay System,PowerLogic™ P5 Protection Relays,PowerLogic™ A1 and
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Buy Protective Relay | Electrical
Browse our extensive assortment of protective relays. Get the parts you need from the #1 source for electrical equipment.
View moreLaser Diodes & VCSEL
High-power CW/pulsed laser diodes (808nm–1550nm) and VCSEL arrays for 3D sensing, LIDAR, and optical interconnects.
Silicon Photonics & CPO
Co-packaged optics engines, silicon photonics ICs, and optical I/O solutions for high-density switches and AI clusters.
Optical Transceivers & AOCs
400G/800G QSFP-DD/OSFP modules, active optical cables, and custom optical engines for data center interconnects.
Laser Drivers & CDR
Low-jitter laser drivers, integrated CDR circuits, and linear TIAs for coherent optics and short-reach links.