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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
TREII-ID20
TREII-ID20
In Stock
From
$42.37
Siemens
3RP2005-2AQ30
3RP2005-2AQ30
In Stock
From
$98.26
Siemens
5TT6112
5TT6112
In Stock
From
$1,010.00
Siemens
7PR1040-2AG00
7PR1040-2AG00
In Stock
From
$19.84
Siemens
7PU7020-7CB30
7PU7020-7CB30
In Stock
From
$16.66
Siemens
7PV3348-2AX34
7PV3348-2AX34
In Stock
From
$178.05
Siemens
7PX7-040-7CJ30
7PX7-040-7CJ30
Limited Stock
From
Get Price
Siemens
3RP1505-1BW30
3RP1505-1BW30
In Stock
From
$250.11
Siemens
3RP2540-1BW30
3RP2540-1BW30
In Stock
From
$248.84
Siemens
7PR1040-7AM00
7PR1040-7AM00
In Stock
From
$43.13
Siemens
3RP2505-2AW30
3RP2505-2AW30
Limited Stock
From
Get Price
Siemens
7PR3031-1
7PR3031-1
Limited Stock
From
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Siemens
7PU4520-2AB30
7PU4520-2AB30
In Stock
From
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Siemens
3RA2812-1DW10
3RA2812-1DW10
Limited Stock
From
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Siemens
3RP1527-2EC30
3RP1527-2EC30
In Stock
From
$55.16
Siemens
3RP1531-1AQ30
3RP1531-1AQ30
In Stock
From
$79.94
Siemens
3RP1540-2AB30
3RP1540-2AB30
In Stock
From
$204.97
Siemens
3RP1574-2NP30
3RP1574-2NP30
Limited Stock
From
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Siemens
3RP25052AB30
3RP25052AB30
Limited Stock
From
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Siemens
3RP2525-1AW30
3RP2525-1AW30
In Stock
From
$135.39
Siemens
3RP2525-1BW30
3RP2525-1BW30
In Stock
From
$457.41
Siemens
46PT-18A-01
46PT-18A-01
In Stock
From
$22.21
Siemens
7PR4040-1PQ00
7PR4040-1PQ00
In Stock
From
$12.90
Siemens
7PR4040-2PH00
7PR4040-2PH00
In Stock
From
$30.51
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.