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

3G Electric
OMRON MJN Series SPDT Surface-Mounted Relay - Surface-Mounted Relays
OMRONSurface-Mounted Relays

OMRON MJN Series SPDT Surface-Mounted Relay

The OMRON MJN Series Flange Mount Relay is a surface (side flange) mounted relay with a square base and quick-connect terminal electrical connection. It features a single-pole double-throw (SPDT) configuration and an…

SKU 3G-OTH-37798

Also listed as: MJN1ZERPAC240 · MJN1Z E RP AC240

Brand
OMRON
Item
MJN Series SPDT Surface-Mounted Relay
Part Number
MJN1Z-E-RP-AC240
Category
Surface-Mounted Relays
Available to Order
Also known as:MJN1Z-E-RP-AC240OMRON
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
MJN1Z-E-RP-AC240
Series
MJN Series
Type
SPDT
AC
240V
Base Type
Square
Current Rating
30 A
Mounting Style
Side Flange
Operating Current
30 A at 28V DC (Resistive Load)
Electrical Connection
Quick-Connect Terminal

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 MJN Series Flange Mount Relay is a surface (side flange) mounted relay with a square base and quick-connect terminal electrical connection. It features a single-pole double-throw (SPDT) configuration and an operating current of 30 A at 28V DC (resistive load) with a 240V AC rating. This relay is identified by manufacturer part number MJN1Z-E-RP-AC240.

Frequently Asked Questions

What is the OMRON MJN1Z-E-RP-AC240 flange mount relay used for?

The OMRON MJN1Z-E-RP-AC240 is a surface-mounted relay used for switching high-current loads in industrial control panels, HVAC systems, and automation equipment. Its SPDT configuration and 30 A rating at 28V DC make it suitable for motor starters, lighting controls, and power distribution applications.

What are the specifications of the OMRON MJN1Z-E-RP-AC240 relay?

The OMRON MJN Series relay has a side flange mounting style, square base, and quick-connect terminals. It is rated for 30 A at 28V DC (resistive load) and 240V AC, with an SPDT contact configuration. The manufacturer part number is MJN1Z-E-RP-AC240.

Where to buy the OMRON MJN1Z-E-RP-AC240 relay worldwide?

3G Electric supplies the OMRON MJN1Z-E-RP-AC240 relay worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the OMRON MJN1Z-E-RP-AC240 flange mount relay?

Mount the relay securely using the side flange holes onto a flat surface. Connect wires to the quick-connect terminals per the SPDT wiring diagram, ensuring the coil voltage matches the 240V AC rating. Use proper torque and verify the load does not exceed 30 A at 28V DC.

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
Not sure this is the right part? Photo-identify it→

OMRON Products

3G Electric supplies OMRON surface-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 →

More from OMRON

View all OMRON parts →
Surface-mounted power relay with a square base and top flange mounting. Features DPST-NO contacts, 25 A current rating, 12V DC coil, and quick-connect terminals. Suitable for switching high-current loads in industrial control panels, HVAC systems, and automation equipment
OMRON
Surface-mounted power relay with a square base and top flange mounting. Features DPST-NO contacts, 25 A current rating, 12V DC coil, and quick-connect terminals. Suitable for switching high-current loads in industrial control panels, HVAC systems, and automation equipment
Surface-mounted relay with side flange mounting and square base. SPDT contact configuration rated 30 A at 240V AC. Operating current 10 A at 240V AC for inductive loads. Quick-connect terminal electrical connection. Suitable for industrial control panels and automation equipment requiring reliable switching
OMRON
Surface-mounted relay with side flange mounting and square base. SPDT contact configuration rated 30 A at 240V AC. Operating current 10 A at 240V AC for inductive loads. Quick-connect terminal electrical connection. Suitable for industrial control panels and automation equipment requiring reliable switching
Surface-mounted relay from the G2R Power Series with a square base and top flange mounting. Features SPDT contact configuration, rated 10 A at 30V DC resistive load and 120V AC coil voltage. Electrical connection via quick-connect terminals. Suitable for general-purpose switching in industrial control panels and automation systems
OMRON
Surface-mounted relay from the G2R Power Series with a square base and top flange mounting. Features SPDT contact configuration, rated 10 A at 30V DC resistive load and 120V AC coil voltage. Electrical connection via quick-connect terminals. Suitable for general-purpose switching in industrial control panels and automation systems
This OMRON relay from the LY Series features a 3PDT contact configuration with a 10 A current rating at 12V DC. It uses an octal base and plug-in terminal connection, with a top flange mounting style. The relay is suited for industrial control applications requiring reliable switching, such as automation and machinery control
OMRON
This OMRON relay from the LY Series features a 3PDT contact configuration with a 10 A current rating at 12V DC. It uses an octal base and plug-in terminal connection, with a top flange mounting style. The relay is suited for industrial control applications requiring reliable switching, such as automation and machinery control
OMRON
OMRON
DIN-rail mounted solid-state relay with DC output, rated for 1 A maximum output current and output voltage range of 3 to 26V DC. Features a Form A switch configuration. Suitable for switching DC loads in industrial control panels and automation systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first