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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 AC24 3M
H3Y-4 AC24 3M
Limited Stock
From
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Omron
H3Y-4 DC100-110 30S
H3Y-4 DC100-110 30S
Limited Stock
From
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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
K8AK-AW3 100-240VAC
K8AK-AW3 100-240VAC
In Stock
From
$234.32
Omron
MY2V-AC110-1S
MY2V-AC110-1S
Limited Stock
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Omron
STP-NH-US-72S-AC240
STP-NH-US-72S-AC240
Limited Stock
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Omron
H3Y-4 AC100-120 10M
H3Y-4 AC100-120 10M
In Stock
From
$160.59
Omron
H3YN-2 DC125
H3YN-2 DC125
In Stock
From
$88.16
Omron
H2C-8-A 120AC
H2C-8-A 120AC
Limited Stock
From
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Omron
H2C-AC110-A
H2C-AC110-A
Limited Stock
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Omron
H3BA-A-0.5S-AC110
H3BA-A-0.5S-AC110
Limited Stock
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Omron
H3DR-G-AC100-240
H3DR-G-AC100-240
Limited Stock
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Omron
H3Y-2 AC200-230 120S
H3Y-2 AC200-230 120S
Limited Stock
From
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Omron
H3Y-2-AC120-10M
H3Y-2-AC120-10M
Limited Stock
From
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Omron
H3Y-4 AC240 1S
H3Y-4 AC240 1S
Limited Stock
From
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Omron
H3Y-4-0 DC24 5S
H3Y-4-0 DC24 5S
Limited Stock
From
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Omron
H3Y-4-30S-DC24
H3Y-4-30S-DC24
Limited Stock
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Omron
H3Y-4-60S-DC24
H3Y-4-60S-DC24
Limited Stock
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Omron
H3Y-4-AC220-6S
H3Y-4-AC220-6S
Limited Stock
From
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Omron
H3Y-4AC100-10S
H3Y-4AC100-10S
Limited Stock
From
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Omron
PU-NA-AC200/220V
PU-NA-AC200/220V
Limited Stock
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Omron
STP-NH-AC220-12M
STP-NH-AC220-12M
Limited Stock
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Omron
STP-YMH-AC240-30M
STP-YMH-AC240-30M
Limited Stock
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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.