1. Home / 
  2. All Categories / 
  3. Automation / 
  4. Automation Relays

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.
SORT BY
Part Number
PRICE
Manufacturer
TBU-24-ADA
TBU-24-ADA
In Stock
From
$113.60
Marsh Bellofram
TBU-240-ABA
TBU-240-ABA
In Stock
From
$129.81
Marsh Bellofram
TCU-100-AFP
TCU-100-AFP
In Stock
From
$67.54
Marsh Bellofram
TDB-24-AKA-060
TDB-24-AKA-060
In Stock
From
$96.07
Marsh Bellofram
TDB-24-AKA-300
TDB-24-AKA-300
In Stock
From
$201.19
Marsh Bellofram
TDB-24-AKA-30M
TDB-24-AKA-30M
In Stock
From
$165.00
Marsh Bellofram
TDC-0210-060
TDC-0210-060
In Stock
From
$22.12
Marsh Bellofram
TDC-120-ARA-010
TDC-120-ARA-010
In Stock
From
$272.94
Marsh Bellofram
TDC-24-AKA-060
TDC-24-AKA-060
In Stock
From
$136.59
Marsh Bellofram
TDC-24-AKA-100
TDC-24-AKA-100
In Stock
From
$95.84
Marsh Bellofram
TDC-24-AKA-300
TDC-24-AKA-300
In Stock
From
$244.82
Marsh Bellofram
TDC-24-AKA-600
TDC-24-AKA-600
In Stock
From
$86.59
Marsh Bellofram
TDD-120-AKA-010
TDD-120-AKA-010
In Stock
From
$72.24
Marsh Bellofram
TDD-120-AKA-090
TDD-120-AKA-090
In Stock
From
$99.52
Marsh Bellofram
TDD-120-AKA-200
TDD-120-AKA-200
In Stock
From
$152.54
Marsh Bellofram
TDD-120-AKA-300
TDD-120-AKA-300
In Stock
From
$40.87
Marsh Bellofram
TDD-120-AKA-60M
TDD-120-AKA-60M
In Stock
From
$170.87
Marsh Bellofram
TDD-120-ALA-010
TDD-120-ALA-010
In Stock
From
$154.37
Marsh Bellofram
TDD-120-ALA-200
TDD-120-ALA-200
In Stock
From
$201.82
Marsh Bellofram
TDD-120-ALA-30M
TDD-120-ALA-30M
In Stock
From
$124.34
Marsh Bellofram
TDD-120-ALA-900
TDD-120-ALA-900
In Stock
From
$130.88
Marsh Bellofram
TDD-120-ARA-001
TDD-120-ARA-001
In Stock
From
$79.09
Marsh Bellofram
TDD-24-AKA-060
TDD-24-AKA-060
In Stock
From
$158.09
Marsh Bellofram
TDD-24-AKA-60M
TDD-24-AKA-60M
In Stock
From
$162.37
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.