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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.
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Part Number
PRICE
Manufacturer
H3Y-4 AC120 3M
H3Y-4 AC120 3M
Limited Stock
From
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Omron
H3Y-4 AC24 30S
H3Y-4 AC24 30S
Limited Stock
From
Get Price
Omron
H3Y-4 AC24 3M
H3Y-4 AC24 3M
Limited Stock
From
Get Price
Omron
H3Y-4 DC100-110 30S
H3Y-4 DC100-110 30S
Limited Stock
From
Get Price
Omron
H3Y-4 DC12 3M
H3Y-4 DC12 3M
In Stock
From
$48.25
Omron
H5S-WB2D
H5S-WB2D
In Stock
From
$643.84
Omron
JDT21DC1-24
JDT21DC1-24
In Stock
From
$653.02
TE Connectivity
JM-1112-11
JM-1112-11
In Stock
From
$1,431.85
TE Connectivity
K20P-5A15-120
K20P-5A15-120
In Stock
From
$51.68
TE Connectivity
K8AK-AW3 100-240VAC
K8AK-AW3 100-240VAC
In Stock
From
$178.77
Omron
KA-11AG-12
KA-11AG-12
In Stock
From
$240.84
TE Connectivity
KA-4471
KA-4471
In Stock
From
$872.30
TE Connectivity
KA-4474
KA-4474
In Stock
From
$63.92
TE Connectivity
KB-17AG-240
KB-17AG-240
In Stock
From
$157.56
TE Connectivity
KHP31-15
KHP31-15
In Stock
From
$1,191.18
Danaher Controls
KOP101D-0.15-3SEC
KOP101D-0.15-3SEC
In Stock
From
$25.24
Sprecher & Schuh
KOP211-A-30S-250
KOP211-A-30S-250
In Stock
From
$81.82
Sprecher & Schuh
KR-1487-3
KR-1487-3
In Stock
From
$217.31
TE Connectivity
KR-3DH-12
KR-3DH-12
In Stock
From
$225.56
TE Connectivity
KRDM121
KRDM121
In Stock
From
$79.33
Littelfuse
KU-14A45-120
KU-14A45-120
In Stock
From
$181.05
TE Connectivity
KU-4052
KU-4052
In Stock
From
$331.63
TE Connectivity
KU-5575-3
KU-5575-3
In Stock
From
$272.85
TE Connectivity
KU-5D15-48
KU-5D15-48
In Stock
From
$214.56
TE Connectivity

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.