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

OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 30 A Current Rating - Surface-Mounted Relays
OMRONSurface-Mounted Relays

OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 30 A Current Rating

The OMRON MJN Series Flange Mount Relay is a surface (side flange) mounted relay with an octal base and quick-connect terminal electrical connection. It features a 3PDT contact configuration and is rated for 10 A at…

SKU 3G-OTH-37326

Brand
OMRON
Item
Flange Mount Relay: Surface
Category
Surface-Mounted Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

OMRON
Manufacturer Part Number
MJN3CF-AC240
Series
MJN Series
Type
3PDT
AC
240V
Base Type
Octal
Current Rating
30 A
Mounting Style
Side Flange
Operating Current
10 A at 240V AC (Inductive Load)
Electrical Connection
Quick-Connect Terminal
View Full Spec Sheet

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 an octal base and quick-connect terminal electrical connection. It features a 3PDT contact configuration and is rated for 10 A at 240V AC (inductive load). The relay is identified by manufacturer part number MJN3CF-AC240.

Frequently Asked Questions

What is the OMRON MJN3CF-AC240 flange mount relay used for?

The OMRON MJN3CF-AC240 is a 3PDT surface-mounted relay used for switching inductive loads up to 10 A at 240V AC in industrial control panels, HVAC systems, and automation equipment. Its side flange mounting and quick-connect terminals simplify installation in tight spaces.

What are the specifications of the OMRON MJN3CF-AC240 relay?

The OMRON MJN3CF-AC240 is a 3PDT relay with a 30 A current rating, 240V AC coil voltage, octal base, and side flange mounting. It uses quick-connect terminals and has an operating current of 10 A at 240V AC for inductive loads. It is part of the MJN Series.

Where to buy the OMRON MJN3CF-AC240 relay worldwide?

3G Electric supplies the OMRON MJN3CF-AC240 relay to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this MJN Series relay.

How to install the OMRON MJN3CF-AC240 flange mount relay?

Mount the OMRON MJN3CF-AC240 relay securely to a flat surface using the side flange holes. Connect wiring to the quick-connect terminals per the 3PDT contact diagram. Ensure the coil voltage matches your 240V AC supply and that the load does not exceed 10 A inductive 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 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

Similar products

Matched by specification & description
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, 3PDT (MPN MJN3CF-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN3CF-AC120; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, 3PDT (MPN MJN3CF-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN3CF-AC120; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V AC, 3PDT (MPN MJN3CF-AC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN3CF-AC24; Operating Current: 3 A at 600V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V AC, 3PDT (MPN MJN3CF-AC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN3CF-AC24; Operating Current: 3 A at 600V AC (Inductive Load); Series: MJN Series.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, DPDT (MPN MJN2CF-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-AC120; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, DPDT (MPN MJN2CF-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-AC120; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V AC, DPDT (MPN MJN2CF-AC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-AC24; Operating Current: 3 A at 600V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V AC, DPDT (MPN MJN2CF-AC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-AC24; Operating Current: 3 A at 600V AC (Inductive Load); Series: MJN Series.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 12V DC, DPDT (MPN MJN2CF-DC12). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-DC12; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 12V DC, DPDT (MPN MJN2CF-DC12). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-DC12; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V DC, DPDT (MPN MJN2CF-DC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-DC24; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 24V DC, DPDT (MPN MJN2CF-DC24). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN2CF-DC24; Operating Current: 10 A at 240V AC (Inductive Load); Series: MJN Series.

More from OMRON

View all OMRON parts
OMRON Digital Timer: Surface Mounted, 100 to 240V AC/12 to 48V DC/24V AC, 5 A (MPN H5CC-A). Key specifications — attr866844: 5A @ 250VAC; attr866845: 5A @ 30 VDC; attr866847: G: Signal ON/OFF delay II; attr866854: Surface; attr866861: 100-240VAC; attr933967: 12 to 48V DC; attr866841: OMRON.
OMRON
OMRON Digital Timer: Surface Mounted, 100 to 240V AC/12 to 48V DC/24V AC, 5 A (MPN H5CC-A). Key specifications — attr866844: 5A @ 250VAC; attr866845: 5A @ 30 VDC; attr866847: G: Signal ON/OFF delay II; attr866854: Surface; attr866861: 100-240VAC; attr933967: 12 to 48V DC; attr866841: OMRON.
OMRON Flange Mount Relay: Surface (Top Flange) Mounted, 10 A Current Rating, 24V DC, SPST-NO (MPN G2R-1A-T-DC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Top Flange; Electrical Connection: Quick-Connect; Manufacturer Part Number: G2R-1A-T-DC24; Operating Current: 5 A at 30V DC (Inductive Load); Series: G2R Power Series.
OMRON
OMRON Flange Mount Relay: Surface (Top Flange) Mounted, 10 A Current Rating, 24V DC, SPST-NO (MPN G2R-1A-T-DC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Top Flange; Electrical Connection: Quick-Connect; Manufacturer Part Number: G2R-1A-T-DC24; Operating Current: 5 A at 30V DC (Inductive Load); Series: G2R Power Series.
OMRON General Purpose Relays: PCB Mounted, 24V DC, 4PDT, 14 Pins/Terminals (MPN MY4-02-DC24). Key specifications — Brand: OMRON; Base Type: Square; Contact Rating (AC): 0.80 A @ 240V; Mounting Style: Soldering; Electrical Connection: PCB Terminal; Manufacturer Part Number: MY4-02-DC24; Series: MY Series.
OMRON
OMRON General Purpose Relays: PCB Mounted, 24V DC, 4PDT, 14 Pins/Terminals (MPN MY4-02-DC24). Key specifications — Brand: OMRON; Base Type: Square; Contact Rating (AC): 0.80 A @ 240V; Mounting Style: Soldering; Electrical Connection: PCB Terminal; Manufacturer Part Number: MY4-02-DC24; Series: MY Series.
OMRON Open Power Relay: Surface Mounted, 30 A Current Rating, 24V AC, SPDT, 5 Pins/Terminals (MPN MGN1C-AC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Surface; Electrical Connection: Screw Terminal; Manufacturer Part Number: MGN1C-AC24; Operating Current: 30 A at 28V DC (Resistive Load); Series: MGN Power Series.
OMRON
OMRON Open Power Relay: Surface Mounted, 30 A Current Rating, 24V AC, SPDT, 5 Pins/Terminals (MPN MGN1C-AC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Surface; Electrical Connection: Screw Terminal; Manufacturer Part Number: MGN1C-AC24; Operating Current: 30 A at 28V DC (Resistive Load); Series: MGN Power Series.
OMRON Enclosed Power Relay: Surface (Top Flange) Mounted, 30 A Current Rating, 24V AC, SPST-NO (MPN G7L-1A-BUBJ-CB-AC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Top Flange; Electrical Connection: Screw Terminal; Manufacturer Part Number: G7L-1A-BUBJ-CB-AC24; Operating Current: 30 A; Series: G7L Series.
OMRON
OMRON Enclosed Power Relay: Surface (Top Flange) Mounted, 30 A Current Rating, 24V AC, SPST-NO (MPN G7L-1A-BUBJ-CB-AC24). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Top Flange; Electrical Connection: Screw Terminal; Manufacturer Part Number: G7L-1A-BUBJ-CB-AC24; Operating Current: 30 A; Series: G7L Series.
OMRON Relay Sockets: 10 A Current Rating, 24V DC with Diode (MPN J7KNA-AR-31 24VS). Key specifications — Brand: OMRON; Base Type: Square; Contact Rating (DC): 2.00 A @ 60V; Manufacturer Part Number: J7KNA-AR-31 24VS; Coil Voltage: 24V DC with Diode; Series: J7KNA-AR.
OMRON
OMRON Relay Sockets: 10 A Current Rating, 24V DC with Diode (MPN J7KNA-AR-31 24VS). Key specifications — Brand: OMRON; Base Type: Square; Contact Rating (DC): 2.00 A @ 60V; Manufacturer Part Number: J7KNA-AR-31 24VS; Coil Voltage: 24V DC with Diode; Series: J7KNA-AR.
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 30 A Current Rating, 12V DC, SPDT (MPN MJN1Z-E-RP-DC12). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN1Z-E-RP-DC12; Operating Current: 30 A at 28V DC (Resistive Load); Series: MJN Series.
OMRON
OMRON Flange Mount Relay: Surface (Side Flange) Mounted, 30 A Current Rating, 12V DC, SPDT (MPN MJN1Z-E-RP-DC12). Key specifications — Brand: OMRON; Base Type: Square; Mounting Style: Side Flange; Electrical Connection: Quick-Connect Terminal; Manufacturer Part Number: MJN1Z-E-RP-DC12; Operating Current: 30 A at 28V DC (Resistive Load); Series: MJN Series.
OMRON Enclosed Power Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, DPDT (MPN MJN2CE-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect; Manufacturer Part Number: MJN2CE-AC120; Operating Current: 10 A; Series: MJN Series.
OMRON
OMRON Enclosed Power Relay: Surface (Side Flange) Mounted, 10 A Current Rating, 120V AC, DPDT (MPN MJN2CE-AC120). Key specifications — Brand: OMRON; Base Type: Octal; Mounting Style: Side Flange; Electrical Connection: Quick-Connect; Manufacturer Part Number: MJN2CE-AC120; Operating Current: 10 A; Series: MJN Series.