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
H3Y-4-US-3H-AC240
H3Y-4-US-3H-AC240
Limited Stock
From
Get Price
Omron
H5F-A-AC100-240
H5F-A-AC100-240
Limited Stock
From
Get Price
Omron
J7MN-3P-2E5
J7MN-3P-2E5
Limited Stock
From
Get Price
Omron
J7TKN-A-E27
J7TKN-A-E27
Limited Stock
From
Get Price
Omron
K8DT-AW2TA
K8DT-AW2TA
Limited Stock
From
Get Price
Omron
K8DT-AW3CD
K8DT-AW3CD
In Stock
From
$303.00
Omron
K8DT-AW3TA
K8DT-AW3TA
Limited Stock
From
Get Price
Omron
MJN3C-DC24
MJN3C-DC24
In Stock
From
$22.74
Omron
MY2V-AC110V-120S
MY2V-AC110V-120S
Limited Stock
From
Get Price
Omron
MY2V-DC24-5S
MY2V-DC24-5S
Limited Stock
From
Get Price
Omron
MY4ZN24VDC
MY4ZN24VDC
In Stock
From
$6.95
Omron
MYA-LB12 DC24
MYA-LB12 DC24
In Stock
From
$74.54
Omron
RD-2P-AC100-2S
RD-2P-AC100-2S
In Stock
From
$101.66
Omron
RDA-2S-AC100
RDA-2S-AC100
Limited Stock
From
Get Price
Omron
SDV-FH2T DC24V
SDV-FH2T DC24V
In Stock
From
$564.75
Omron
STP-06M-AC120
STP-06M-AC120
In Stock
From
$107.18
Omron
STP-06S-AC120
STP-06S-AC120
In Stock
From
$107.18
Omron
STP-44A-81F
STP-44A-81F
In Stock
From
$29.16
Omron
STP-44A5F
STP-44A5F
In Stock
From
$64.70
Omron
STP-44A88D
STP-44A88D
In Stock
From
$64.70
Omron
STP-MND-AB-UA
STP-MND-AB-UA
In Stock
From
$107.42
Omron
STP-MYH-HG-UA
STP-MYH-HG-UA
In Stock
From
$71.04
Omron
STP-N-100110V
STP-N-100110V
In Stock
From
$103.67
Omron
STP-N-30S-AC110
STP-N-30S-AC110
In Stock
From
$54.10
Omron

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.