Omron LY2N-D2 24VDC Socketed Relay: Technical Guide, Applications and Installation

Not every datasheet tells the whole story. The Omron LY2N-D2 24VDC Socketed Relay looks straightforward on paper — 24V DC coil, standard mount — but its real value shows up six months into a demanding application like control panels, when cheaper alternatives have already been swapped out.

For projects where sensing and switching decisions need to be made together, Omron’s Omron Sensor products are a natural companion to this unit. Both families are built to the same quality standards and documented to the same CE and UL requirements, which simplifies the declaration of conformity process.

Understanding the Omron LY2N-D2 24VDC Socketed Relay

The Omron LY2N-D2 24VDC is a Socketed Relay rated at 24V DC, built to handle control panels reliably over a long service life. Key engineering features include diode-suppressed coil, arc barrier, led indicator, transparent cover, and the unit mounts via socket + din rail or pcb.

Technically, the Omron LY2N-D2 24VDC delivers diode-suppressed coil, arc barrier, led indicator, transparent cover. Matching the 24V DC control bus requires no extra hardware, which keeps commissioning time short and the panel design clean.

Core Specifications

The table below summarises the main technical parameters of the Omron LY2N-D2 24VDC. For full specifications, always refer to the official Omron product datasheet, as application-specific derating may apply.

ParameterValue
Product TypeSocketed Relay
Coil / Operating Voltage24V DC
Contacts / Channels2-pole (DPDT)
Contact Current10 A
Key FeaturesDiode-suppressed coil, arc barrier, LED indicator, transparent cover
MountingSocket + DIN rail or PCB
Mechanical Lifetime50 million mechanical operations
Operating Temperature-25 °C to +70 °C
Compatible SocketPF083A / PTF08A

Application Scenarios

The Omron LY2N-D2 24VDC Socketed Relay is commonly specified for the following applications:

  • Control panels
  • Safety circuits
  • Dc-powered automation systems

Across these use cases, the consistent thread is a need for dependable switching over a large number of operations, often in environments where an unplanned fault would create significant disruption. The Omron LY2N-D2 24VDC is designed with exactly those conditions in mind.

The Omron LY2N-D2 24VDC is designed to be used with PF083A / PTF08A. Using a non-compatible socket model can compromise contact pressure and reduce overall service life, so always verify socket compatibility before ordering.

Getting It Right at Installation

When mounting the Omron LY2N-D2 24VDC Socketed Relay in a panel, pay attention to three things: the socket or rail type must be the correct Omron-specified match; the terminal wiring must use appropriate cable gauge; and there must be enough vertical clearance to allow the unit to be removed for service without disturbing adjacent wiring. Getting these details right at installation saves considerable time later.

For ongoing maintenance, periodically inspect for contact discolouration, check terminal screws for loosening, and look for any signs of heat stress on the housing. Catching these early avoids the much larger cost of an unplanned production stop.

Why Engineers Choose Omron

Specifying the Omron LY2N-D2 24VDC Socketed Relay also means specifying into an ecosystem. Omron’s portfolio covers relays, sensors, PLCs, power supplies, and more — all engineered to work together. When a component does eventually need replacing, compatibility with the rest of the system is guaranteed, which is something off-brand alternatives simply cannot offer.

Frequently Asked Questions

How do I install the Omron LY2N-D2 24VDC?

Mount the Omron LY2N-D2 24VDC Socketed Relay on a 35 mm DIN rail using the compatible socket or directly as specified. De-energise the circuit before installation, connect cables at the rated cross-section, and tighten terminal screws to the torque values stated in the datasheet.

What is the electrical lifespan of the Omron LY2N-D2 24VDC?

Electrical lifespan depends on switching frequency and load type. At rated resistive load, Omron relay products typically achieve several hundred thousand to over a million operations. The exact figure for the Omron LY2N-D2 24VDC is stated in its technical datasheet.

Can the Omron LY2N-D2 24VDC switch inductive loads?

Yes, but inductive loads reduce contact lifespan due to higher arc energy at switch-off. For frequent inductive switching with the Omron LY2N-D2 24VDC Socketed Relay, a suppression device — such as a varistor or RC snubber — is recommended across the load.

Is the Omron LY2N-D2 24VDC RoHS compliant?

Omron products conform to the RoHS Directive requirements. Specific compliance documentation for the Omron LY2N-D2 24VDC can be requested from your authorised Omron distributor.

What should I check during periodic maintenance of the Omron LY2N-D2 24VDC?

Inspect contact surfaces for pitting or discolouration, check terminal screws for loosening (particularly in high-vibration environments), and verify that the housing shows no thermal discolouration. Replace the unit if any of these signs are present.