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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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Part Number
PRICE
Manufacturer
7PU2040-3AB33
7PU2040-3AB33
In Stock
From
$21.73
Siemens
7PU2040-3AN20
7PU2040-3AN20
In Stock
From
$9.34
Siemens
7PU2040-7AH30
7PU2040-7AH30
In Stock
From
$78.12
Siemens
7PU2040-7AN20
7PU2040-7AN20
In Stock
From
$47.20
Siemens
7PU2040-7AN23
7PU2040-7AN23
In Stock
From
$72.67
Siemens
7PU2540-7AJ23
7PU2540-7AJ23
In Stock
From
$35.12
Siemens
7PU2640-0AB30
7PU2640-0AB30
In Stock
From
$42.55
Siemens
7PU4020-0BN20
7PU4020-0BN20
In Stock
From
$102.20
Siemens
7PU4120-2BN20
7PU4120-2BN20
Limited Stock
From
Get Price
Siemens
7PU4140-2QN20
7PU4140-2QN20
Limited Stock
From
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Siemens
7PU4320-2BJ20
7PU4320-2BJ20
Limited Stock
From
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Siemens
7PU4440-8RB30
7PU4440-8RB30
In Stock
From
$40.51
Siemens
7PU5120-6CN20
7PU5120-6CN20
In Stock
From
$68.42
Siemens
7PU5220-4AN20
7PU5220-4AN20
In Stock
From
$44.44
Siemens
7PU5720-0AB30
7PU5720-0AB30
In Stock
From
$99.17
Siemens
7PU5720-0AN20
7PU5720-0AN20
In Stock
From
$32.87
Siemens
7PU60 20-3NJ2
7PU60 20-3NJ2
In Stock
From
$91.77
Siemens
7PU6040-7NB30
7PU6040-7NB30
In Stock
From
$62.99
Siemens
7PU6220-7NT20
7PU6220-7NT20
In Stock
From
$51.37
Siemens
7PV1230-1TG80
7PV1230-1TG80
In Stock
From
$76.57
Siemens
7PV1260-1GG
7PV1260-1GG
Limited Stock
From
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Siemens
7PV1540-1AB30
7PV1540-1AB30
In Stock
From
$90.72
Siemens
7PV1540-8AB30
7PV1540-8AB30
In Stock
From
$102.87
Siemens
7PV2040-0AN20
7PV2040-0AN20
In Stock
From
$43.02
Siemens

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.