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Frequently Asked Questions
What is the OMRON H3YN-21 timer used for?
The OMRON H3YN-21 is a panel-mounted relay timer used for precise time-delay control in industrial automation, HVAC, and process control systems. It provides reliable on-delay or off-delay timing for machinery sequencing, motor start/stop, and conveyor control across 14 industrial departments.
What are the specifications of the OMRON H3YN-21 AC100-120?
The OMRON H3YN-21 operates on 100 to 120V AC supply voltage with a timing range of 0.1 min to 1 min. It is a panel-mounted relay timer with MPN H3YN-21 AC100-120. For full electrical ratings and wiring details, consult the OMRON datasheet.
Where to buy the OMRON H3YN-21 timer worldwide?
3G Electric supplies the OMRON H3YN-21 timer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OMRON components and support your procurement with technical expertise across 14 departments.
How to install the OMRON H3YN-21 timer?
Mount the OMRON H3YN-21 on a standard DIN rail or panel cutout. Connect the control voltage (100-120V AC) per the terminal diagram, set the time dial to the desired 0.1-1 min range, and verify the output relay contacts are rated for your load. Always follow OMRON's installation manual for safe operation.
Used in
Common applications for OMRONOMRON Products
3G Electric supplies OMRON panel-mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















