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Automation Relays

For automation systems in industrial and commercial facilities, automation relays are among the most critical components for reliable control logic and system protection. Automation relays provide switching, timing, monitoring, and control functions that enable precise automation sequences and protect equipment from operational faults. Electrical.com carries an extensive selection of automation relays from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of manufacturing automation, process control systems, building management systems, and industrial machinery applications.
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STPMYHAB
STPMYHAB
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Omron
TDS-100-200
TDS-100-200
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H3Y-2 AC200-230 30S
H3Y-2 AC200-230 30S
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H3Y-U-120VAC-1S
H3Y-U-120VAC-1S
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611T-2S-DC24
611T-2S-DC24
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H3BA-N8H-110VAC-10
H3BA-N8H-110VAC-10
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STP-MYH-AF
STP-MYH-AF
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Omron
H3Y-2 AC100-120 5S
H3Y-2 AC100-120 5S
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Omron
H3Y-2 AC24 10S
H3Y-2 AC24 10S
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H3Y-2 DC12 60S
H3Y-2 DC12 60S
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H3Y-2-AC220-30S
H3Y-2-AC220-30S
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Omron
H3Y-2 AC200-230 1S
H3Y-2 AC200-230 1S
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H3Y2AC1001205M
H3Y2AC1001205M
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Omron
E3A2-10M4T
E3A2-10M4T
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H3JA-8CAC200-240 10M
H3JA-8CAC200-240 10M
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Omron

Electrical.com stocks the largest inventory of automation relays in the world, with over 1 million square feet of new, used, surplus, and re-certified relay components available for immediate shipment. From control relays to interface modules, we have what you need when others say no. Our comprehensive automation relay inventory spans all voltage ratings, contact configurations, and control specifications from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our automation relays serve critical applications across industrial automation systems, manufacturing control panels, process control equipment, PLC interface circuits, machine control systems, packaging equipment, material handling automation, building automation systems, and HVAC control installations.


Whether you're maintaining legacy equipment with obsolete relay models or sourcing current production components for new automation projects, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need automation relays now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.