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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
339A-200-T-2-X
339A-200-T-2-X
In Stock
From
$225.47
Marsh Bellofram
339A-359-E-2-X
339A-359-E-2-X
In Stock
From
$49.47
Marsh Bellofram
339B-200-R-2-X
339B-200-R-2-X
In Stock
From
$327.24
Marsh Bellofram
339B-359-Q-2-X
339B-359-Q-2-X
In Stock
From
$239.94
Marsh Bellofram
339B-359-R-2-X
339B-359-R-2-X
In Stock
From
$303.68
Marsh Bellofram
339B-J01330-00
339B-J01330-00
In Stock
From
$94.87
Marsh Bellofram
405A100F2X
405A100F2X
In Stock
From
$450.79
Marsh Bellofram
405A500F1X
405A500F1X
In Stock
From
$229.96
Marsh Bellofram
407A100F3X
407A100F3X
In Stock
From
$93.29
Marsh Bellofram
407A500F3X
407A500F3X
In Stock
From
$67.17
Marsh Bellofram
8101A-04Q-AAAXX
8101A-04Q-AAAXX
In Stock
From
$139.54
Marsh Bellofram
ARA-240-ACA
ARA-240-ACA
In Stock
From
$149.50
Marsh Bellofram
ATE-1-30S-24VDC
ATE-1-30S-24VDC
In Stock
From
$27.57
Marsh Bellofram
CDO-120-ALE-5
CDO-120-ALE-5
In Stock
From
$368.65
Marsh Bellofram
CLB-120-ALE-10
CLB-120-ALE-10
In Stock
From
$530.92
Marsh Bellofram
TBC-120-ABA
TBC-120-ABA
In Stock
From
$227.62
Marsh Bellofram
TBC-240-AAA
TBC-240-AAA
In Stock
From
$197.99
Marsh Bellofram
TBC48DBA
TBC48DBA
In Stock
From
$287.52
Marsh Bellofram
TBD-120-ABA
TBD-120-ABA
In Stock
From
$322.59
Marsh Bellofram
TBD-120-AEA-D
TBD-120-AEA-D
In Stock
From
$120.52
Marsh Bellofram
TBD-24-ADA
TBD-24-ADA
In Stock
From
$89.38
Marsh Bellofram
TBU-120-AAA
TBU-120-AAA
In Stock
From
$285.83
Marsh Bellofram
TBU-120-ABA
TBU-120-ABA
In Stock
From
$160.28
Marsh Bellofram
TBU-120-APA
TBU-120-APA
In Stock
From
$263.96
Marsh Bellofram

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.