Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, 4PDT - Socket-Mounted Relays
OMRONSocket-Mounted Relays

OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, 4PDT

The OMRON LY Series General Purpose Relay is a socket-mounted, plug-in relay with a square base and flat pins. It features a 4PDT contact configuration, a 12V AC coil, and a 10 A current rating, with an operating…

SKU 3G-OTH-36561

Also listed as: LY4AC12 · LY4 AC12

Brand
OMRON
Item
General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, 4PDT
Category
Socket-Mounted Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OMRON
Manufacturer Part Number
LY4-AC12
Series
LY Series
Type
4PDT
AC
12V
Base Type
Square
Pin Shape
Flat
Current Rating
10 A
Mounting Style
Plug-In
Pins/Terminals
14
Operating Current
5 A at 24V DC (Inductive Load)
Electrical Connection
Plug-In

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

OMRON Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMRON LY Series General Purpose Relay is a socket-mounted, plug-in relay with a square base and flat pins. It features a 4PDT contact configuration, a 12V AC coil, and a 10 A current rating, with an operating current of 5 A at 24V DC for inductive loads. This relay has 14 pins/terminals and is designed for industrial control applications.

Frequently Asked Questions

What is the OMRON LY4-AC12 relay used for?

The OMRON LY4-AC12 is a general-purpose relay used in industrial control panels, automation systems, and machinery for switching loads up to 10 A. Its 4PDT configuration and 12V AC coil make it suitable for signal routing, motor control, and interlocking circuits in factories and process plants.

What are the specifications of the OMRON LY4-AC12 relay?

The OMRON LY4-AC12 is a socket-mounted, plug-in relay with a square base and flat pins. It has a 4PDT contact configuration, 12V AC coil, 10 A current rating, and 14 pins/terminals. Operating current is 5 A at 24V DC for inductive loads. It belongs to the LY Series.

Where to buy the OMRON LY4-AC12 relay worldwide?

3G Electric supplies the OMRON LY4-AC12 relay worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time. We source genuine OMRON LY Series relays for industrial applications.

How to install the OMRON LY4-AC12 relay?

To install the OMRON LY4-AC12, plug the relay into a compatible square-base socket until it clicks. Ensure the coil voltage matches your 12V AC supply and wiring follows the pin diagram on the socket. Use proper torque for terminal screws and avoid exceeding the 10 A rating.

Used in

Common applications for OMRON
Automotive assembly lines — OMRON G2RV-ST500 AC/DC24 slim relays for compact control panel switching
Packaging machinery — OMRON E2E-X5Y1-M1 inductive proximity sensors for position detection of metal parts
HVAC systems — OMRON LY4-DC12 general-purpose relays for fan and compressor control
High-temperature ovens — OMRON E32-D51 fiber-optic cables for non-contact temperature sensing
Material handling — OMRON D4CC3002 limit switches for conveyor belt end-of-travel detection
Machine tool safety — OMRON TZ-1GV22 snap-action switches for interlock and guard monitoring

OMRON Products

3G Electric supplies OMRON socket-mounted relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 4PDT, 14 Pins/Terminals (MPN LY4-DC12)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 4PDT, 14 Pins/Terminals (MPN LY4-DC12)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, DPDT, 8 Pins/Terminals (MPN LY2-AC12)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V AC, DPDT, 8 Pins/Terminals (MPN LY2-AC12)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 4PDT, 14 Pins/Terminals (MPN LY4N-AC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 4PDT, 14 Pins/Terminals (MPN LY4N-AC24)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 4PDT, 14 Pins/Terminals (MPN LY4N-AC120)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 4PDT, 14 Pins/Terminals (MPN LY4N-AC120)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 3PDT, 11 Pins/Terminals (MPN LY3-DC12)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, 3PDT, 11 Pins/Terminals (MPN LY3-DC12)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, DPDT, 8 Pins/Terminals (MPN LY2N-AC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, DPDT, 8 Pins/Terminals (MPN LY2N-AC24)

More from OMRON

View all OMRON parts
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 3PDT, 11 Pins/Terminals (MPN LY3N-AC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 3PDT, 11 Pins/Terminals (MPN LY3N-AC24)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 3PDT, 11 Pins/Terminals (MPN MJN3C-N-DC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, 3PDT, 11 Pins/Terminals (MPN MJN3C-N-DC24)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 3PDT, 11 Pins/Terminals (MPN MJN3C-N-AC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 3PDT, 11 Pins/Terminals (MPN MJN3C-N-AC24)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, DPDT, 8 Pins/Terminals (MPN MKS2PDC24)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V DC, DPDT, 8 Pins/Terminals (MPN MKS2PDC24)
OMRON General Purpose Relays: Socket Mounted, 24V DC, 4PDT, 14 Pins/Terminals, G Socket (MPN MY4ZN-D2 DC24 (S))
OMRON
OMRON General Purpose Relays: Socket Mounted, 24V DC, 4PDT, 14 Pins/Terminals, G Socket (MPN MY4ZN-D2 DC24 (S))
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, DPDT, 8 Pins/Terminals (MPN MJN2C-DC12)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 12V DC, DPDT, 8 Pins/Terminals (MPN MJN2C-DC12)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 3PDT, 11 Pins/Terminals (MPN MKS3PI5AC120)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 120V AC, 3PDT, 11 Pins/Terminals (MPN MKS3PI5AC120)
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 110V DC, 3PDT, 11 Pins/Terminals (MPN MJN3C-DC110)
OMRON
OMRON General Purpose Relay: Socket Mounted, 10 A Current Rating, 110V DC, 3PDT, 11 Pins/Terminals (MPN MJN3C-DC110)