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
E3B-ZT230
E3B-ZT230
Limited Stock
From
Get Price
Omron
H2A-AC100-30M
H2A-AC100-30M
In Stock
From
$70.77
Omron
H3BG8-200/220/240VAC
H3BG8-200/220/240VAC
In Stock
From
$62.57
Omron
H3BH-8/AC24-S
H3BH-8/AC24-S
In Stock
From
$27.47
Omron
H3DE-H-AC100-120-L
H3DE-H-AC100-120-L
Limited Stock
From
Get Price
Omron
H3DE-HAC200/230L
H3DE-HAC200/230L
Limited Stock
From
Get Price
Omron
H3DR-H-AC/DC24-12S
H3DR-H-AC/DC24-12S
Limited Stock
From
Get Price
Omron
H3DT-A1  AC/DC24-240
H3DT-A1 AC/DC24-240
In Stock
From
$85.55
Omron
H3M-DC24-C
H3M-DC24-C
Limited Stock
From
Get Price
Omron
H3M-H-AC100/110/120-A
H3M-H-AC100/110/120-A
In Stock
From
$11.25
Omron
H3Y-2-100-250VAC-60MIN
H3Y-2-100-250VAC-60MIN
In Stock
From
$30.37
Omron
H3Y-4-AC100/120-5M
H3Y-4-AC100/120-5M
Limited Stock
From
Get Price
Omron
H3Y-4-AC110-120S
H3Y-4-AC110-120S
Limited Stock
From
Get Price
Omron
H3Y-4-AC24-5M
H3Y-4-AC24-5M
Limited Stock
From
Get Price
Omron
H3Y-4-AC240-60M
H3Y-4-AC240-60M
Limited Stock
From
Get Price
Omron
H3Y-4-US-3H-AC110
H3Y-4-US-3H-AC110
Limited Stock
From
Get Price
Omron
K8DT-AS2CD
K8DT-AS2CD
In Stock
From
$338.65
Omron
LY3-AC12
LY3-AC12
In Stock
From
$14.75
Omron
MY2V-AC100
MY2V-AC100
In Stock
From
$7.29
Omron
MY2V-DC24
MY2V-DC24
In Stock
From
$8.92
Omron
STP-MNH-AN
STP-MNH-AN
In Stock
From
$64.59
Omron
STP-MYH-AD
STP-MYH-AD
In Stock
From
$52.44
Omron
STP-MYH-AL
STP-MYH-AL
In Stock
From
$83.98
Omron
STP-N-5S-AC200
STP-N-5S-AC200
Limited Stock
From
Get Price
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.