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
809-A09E
809-A09E
In Stock
From
$582.07
Allen-Bradley
849-ZOD32
849-ZOD32
In Stock
From
$812.54
Allen-Bradley
CR2820B120AA2
CR2820B120AA2
Limited Stock
From
Get Price
General Electric
RE17RAMU
RE17RAMU
In Stock
From
$35.78
Square D
TDU3000A
TDU3000A
In Stock
From
$46.57
Littelfuse
TRN1B120AC
TRN1B120AC
In Stock
From
$81.54
Cutler Hammer
SPM120AAA100K
SPM120AAA100K
In Stock
From
$160.25
ATC Diversified
0-50005-R
0-50005-R
In Stock
From
$275.13
ABB
000-825-85-00
000-825-85-00
In Stock
From
$26.34
ATC Diversified
000-825-89-99
000-825-89-99
In Stock
From
$60.59
ATC Diversified
0000-825-89-00
0000-825-89-00
In Stock
From
$27.35
ATC Diversified
01-2350-115
01-2350-115
Limited Stock
From
Get Price
MTE
0121-1220-6100
0121-1220-6100
In Stock
From
$15.40
Guardian Electric Co
0146-0500
0146-0500
In Stock
From
$10,214.17
Danaher Controls
0314B-134-Q2-C
0314B-134-Q2-C
In Stock
From
$257.50
Marsh Bellofram
0319B-003-Q-1-X
0319B-003-Q-1-X
In Stock
From
$118.98
Marsh Bellofram
0319B-349-Q-1-X
0319B-349-Q-1-X
In Stock
From
$137.85
Marsh Bellofram
0319D-016-T-1-C
0319D-016-T-1-C
In Stock
From
$44.39
Marsh Bellofram
0333009002
0333009002
Limited Stock
From
Get Price
Bosch
0405A-100-FIX
0405A-100-FIX
In Stock
From
$201.40
Marsh Bellofram
0417B-100-F-2-X
0417B-100-F-2-X
In Stock
From
$474.97
Marsh Bellofram
0451/731
0451/731
Limited Stock
From
Get Price
CDC
047-44
047-44
Limited Stock
From
Get Price
Legrand
0545 10 641 020
0545 10 641 020
Limited Stock
From
Get Price
Schneider Electric

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.