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OMRON MJN Series Socket-Mounted Relay, 3PDT, 10 A, 120V AC, Plug-In - Socket-Mounted Relays
OMRONSocket-Mounted Relays

OMRON MJN Series Socket-Mounted Relay, 3PDT, 10 A, 120V AC, Plug-In

The OMRON General Purpose Relay: Socket Mounted (SKU 3G-OTH-39857) is a plug-in relay from the MJN Series, featuring a square base with round pins and 11 terminals. It is a 3PDT relay rated for 10 A at 120V AC, with…

SKU 3G-OTH-39857

Also listed as: MJN3CNAC120 · MJN3C N AC120

Brand
OMRON
Item
MJN Series Socket-Mounted Relay, 3PDT, 10 A, 120V AC, Plug-In
Part Number
MJN3C-N-AC120
Category
Socket-Mounted Relays
Available to Order
Also known as:MJN3C-N-AC120OMRON
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OMRON
Manufacturer Part Number
MJN3C-N-AC120
Series
MJN Series
Type
3PDT
AC
120V
Base Type
Square
Pin Shape
Round
Current Rating
10 A
Mounting Style
Plug-In
Pins/Terminals
11
Electrical Connection
Plug-In

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMRON General Purpose Relay: Socket Mounted (SKU 3G-OTH-39857) is a plug-in relay from the MJN Series, featuring a square base with round pins and 11 terminals. It is a 3PDT relay rated for 10 A at 120V AC, with a plug-in electrical connection and mounting style.

Frequently Asked Questions

What is the OMRON MJN3C-N-AC120 relay used for?

The OMRON MJN3C-N-AC120 is a general-purpose relay used for switching loads in industrial control panels, HVAC systems, and automation equipment. Its 3PDT configuration and 10 A rating at 120V AC make it suitable for motor starters, lighting controls, and signal switching in manufacturing and building management.

What are the specifications of the OMRON MJN3C-N-AC120 relay?

The OMRON MJN3C-N-AC120 is a socket-mounted relay from the MJN Series with a square base and round pins. It has 11 terminals, a 3PDT contact arrangement, and a 10 A current rating at 120V AC. The mounting style and electrical connection are both plug-in, and the manufacturer part number is MJN3C-N-AC120.

Where to buy the OMRON MJN3C-N-AC120 relay worldwide?

You can source the OMRON MJN3C-N-AC120 relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times; we supply genuine OMRON components for industrial applications.

How to install the OMRON MJN3C-N-AC120 relay?

To install the OMRON MJN3C-N-AC120 relay, first ensure the power is off. Plug the relay into a compatible square-base socket with 11 round-pin terminals. Verify the coil voltage matches your 120V AC supply. Secure the relay by pressing firmly until it locks. Always follow the manufacturer's wiring diagram for correct 3PDT connections.

Used in

Common applications for OMRON
Industrial control panels — Omron G7L series power relays for switching high-current loads up to 30 A
HVAC equipment — Omron MJN series relays with 240 V AC coils for compressor and fan control
Process automation — Omron G3NA solid-state relays for silent, high-cycle switching of heaters
Material handling — Omron photoelectric and proximity sensors for position detection and counting
Machine safety — Omron safety relays and interlock switches for guard door monitoring
Power distribution — Omron surface-mounted relays with finger-safe terminals for branch circuit control
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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.

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