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
PRS42-120VAC
PRS42-120VAC
In Stock
From
$89.17
ABB
PUM2G
PUM2G
Limited Stock
From
Get Price
ABB
RK331002-AD
RK331002-AD
In Stock
From
$180.76
ABB
RK426-440-HC
RK426-440-HC
Limited Stock
From
Get Price
ABB
RLM8610
RLM8610
In Stock
From
$63.49
ABB
RS3A11
RS3A11
In Stock
From
$104.42
ABB
SIRI20D-3373
SIRI20D-3373
In Stock
From
$37.78
ABB
TDBL24DL
TDBL24DL
In Stock
From
$91.00
ABB
TDBL24DLD
TDBL24DLD
In Stock
From
$73.25
ABB
TDIL120AL
TDIL120AL
In Stock
From
$136.10
ABB
TDM230AL
TDM230AL
In Stock
From
$236.15
ABB
TDM24AL
TDM24AL
In Stock
From
$93.14
ABB
TDMB211D
TDMB211D
In Stock
From
$135.74
ABB
TDMH120AL
TDMH120AL
In Stock
From
$130.29
ABB
TDML120AL
TDML120AL
In Stock
From
$109.59
ABB
TDR4A12
TDR4A12
In Stock
From
$318.34
ABB
TDS120ALD
TDS120ALD
In Stock
From
$122.64
ABB
TDSH120ALD
TDSH120ALD
In Stock
From
$123.92
ABB
TDSL-110D
TDSL-110D
In Stock
From
$80.34
ABB
TDUBH3002A
TDUBH3002A
In Stock
From
$143.37
ABB
TDUIL3000A
TDUIL3000A
In Stock
From
$93.09
ABB
TDUL3000A
TDUL3000A
In Stock
From
$75.80
ABB
TEF4-OFF
TEF4-OFF
In Stock
From
$257.74
ABB
TH2B421
TH2B421
In Stock
From
$69.66
ABB

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.