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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
3RP1020-1AP30
3RP1020-1AP30
In Stock
From
$90.06
Siemens
3RP15 76-1NM20-8K
3RP15 76-1NM20-8K
In Stock
From
$31.95
Siemens
3RP1525-1AP30
3RP1525-1AP30
In Stock
From
$257.17
Siemens
3RP1525-2BP30
3RP1525-2BP30
Limited Stock
From
Get Price
Siemens
3RP1540-1AB30
3RP1540-1AB30
In Stock
From
$81.44
Siemens
3RP1540-1BB30
3RP1540-1BB30
In Stock
From
$95.19
Siemens
3RP1555-1AP30
3RP1555-1AP30
In Stock
From
$131.99
Siemens
3RP1560-1SP30
3RP1560-1SP30
In Stock
From
$309.36
Siemens
3RT2926-2PA01
3RT2926-2PA01
In Stock
From
$74.71
Siemens
3UG3042-1BP50
3UG3042-1BP50
Limited Stock
From
Get Price
Siemens
7PU1640-1AN30
7PU1640-1AN30
Limited Stock
From
Get Price
Siemens
7PU2040-2BJ33
7PU2040-2BJ33
In Stock
From
$22.21
Siemens
7PU2040-7AN23
7PU2040-7AN23
In Stock
From
$95.20
Siemens
7PU2640-3AJ20
7PU2640-3AJ20
In Stock
From
$28.72
Siemens
7PU3020-1AB30
7PU3020-1AB30
In Stock
From
$80.19
Siemens
7PU4020-1AB30
7PU4020-1AB30
In Stock
From
$89.14
Siemens
7PU4020-4AN20
7PU4020-4AN20
Limited Stock
From
Get Price
Siemens
7PU4040-1AJ30
7PU4040-1AJ30
In Stock
From
$30.72
Siemens
7PU4120-2AN20
7PU4120-2AN20
In Stock
From
$61.57
Siemens
7PU4320-2BN20
7PU4320-2BN20
In Stock
From
$52.65
Siemens
7PU4520-2BN30
7PU4520-2BN30
In Stock
From
$23.47
Siemens
7PU4620-2AN20
7PU4620-2AN20
In Stock
From
$116.42
Siemens
7PV1518-1AW30
7PV1518-1AW30
In Stock
From
$50.91
Siemens
7PX1040-1AJ20
7PX1040-1AJ20
In Stock
From
$323.62
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.