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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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121-0-100
121-0-100
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Theben
1610011
1610011
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Theben
170-4-100
170-4-100
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Theben
1700100
1700100
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171-0-100
171-0-100
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Theben
171-4-100
171-4-100
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Theben
172-0-050
172-0-050
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Theben
172-0-100
172-0-100
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Theben
172-0-111
172-0-111
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Theben
172-4-100
172-4-100
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Theben
1810011
1810011
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Theben
610-0-100
610-0-100
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Theben
611-0-100
611-0-100
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Theben
611-0-102
611-0-102
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Theben
611-0-300
611-0-300
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Theben
612-0-002
612-0-002
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Theben
612-4-100
612-4-100
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Theben
622-0-107
622-0-107
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Theben
MEM-198A
MEM-198A
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$17.63
Theben
MEM-199-G
MEM-199-G
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$59.34
Theben
611-4-100
611-4-100
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Theben

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.