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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
7PR4140-6FH10
7PR4140-6FH10
In Stock
From
$66.77
Siemens
7PR4140-6PM10
7PR4140-6PM10
In Stock
From
$47.14
Siemens
7PS2111-3
7PS2111-3
Limited Stock
From
Get Price
Siemens
7PU0611-1AW30
7PU0611-1AW30
In Stock
From
$38.28
Siemens
7PU0611-1BW60
7PU0611-1BW60
In Stock
From
$22.31
Siemens
7PU1140-0AN20
7PU1140-0AN20
Limited Stock
From
Get Price
Siemens
7PU1140-1AN20
7PU1140-1AN20
In Stock
From
$107.69
Siemens
7PU1540-8AB30
7PU1540-8AB30
Limited Stock
From
Get Price
Siemens
7PU1540-8AM20
7PU1540-8AM20
In Stock
From
$63.12
Siemens
7PU2020-2AJ20
7PU2020-2AJ20
In Stock
From
$28.59
Siemens
7PU2040-0BJ33
7PU2040-0BJ33
In Stock
From
$29.99
Siemens
7PU2040-2AJ33
7PU2040-2AJ33
In Stock
From
$17.74
Siemens
7PU2040-3AB33
7PU2040-3AB33
In Stock
From
$21.73
Siemens
7PU2040-3AN20
7PU2040-3AN20
In Stock
From
$11.07
Siemens
7PU2040-7AH30
7PU2040-7AH30
In Stock
From
$108.10
Siemens
7PU2040-7AN20
7PU2040-7AN20
In Stock
From
$47.20
Siemens
7PU2540-7AJ23
7PU2540-7AJ23
In Stock
From
$47.95
Siemens
7PU2640-0AB30
7PU2640-0AB30
In Stock
From
$52.52
Siemens
7PU2640-4AJ20
7PU2640-4AJ20
In Stock
From
$26.03
Siemens
7PU4020-0AN20
7PU4020-0AN20
Limited Stock
From
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Siemens
7PU4020-0BB30
7PU4020-0BB30
In Stock
From
$56.20
Siemens
7PU4020-0BN20
7PU4020-0BN20
In Stock
From
$102.20
Siemens
7PU4020-1AJ20
7PU4020-1AJ20
In Stock
From
$235.80
Siemens
7PU4020-1BJ20
7PU4020-1BJ20
In Stock
From
$158.02
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.