We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC - Cylindrical Sensors with Built-in Connectors
OMRONCylindrical Sensors with Built-in Connectors

OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC

The OMRON E3FA-DP21 is a plastic-bodied M18 threaded photoelectric sensor from the E3FA series, featuring a built-in 4-pin M12 direct connector. It operates on a 10-30V DC supply voltage with PNP output, designed for…

SKU 3G-OTH-38059

Also listed as: E3FADP21 · E3FA DP21

Brand
OMRON
Item
Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC
Category
Cylindrical Sensors with Built-in Connectors
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OMRON
Manufacturer Part Number
E3FA-DP21
Series
E3FA
Type
Built-in Connector, PNP
DC
10-30V
Pin M12
4 -
Body Material
Plastic
Electrical Connection
M12
Nominal Sensor Diameter
M18 Threaded
DC Supply Voltage Rating
10-30V DC
Electrical Installation Type
Direct Connector

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 E3FA-DP21 is a plastic-bodied M18 threaded photoelectric sensor from the E3FA series, featuring a built-in 4-pin M12 direct connector. It operates on a 10-30V DC supply voltage with PNP output, designed for cylindrical sensor applications with built-in connectors.

Frequently Asked Questions

What is the OMRON E3FA-DP21 photoelectric sensor used for?

The OMRON E3FA-DP21 is used for object detection in industrial automation, such as packaging lines, material handling, and assembly systems. Its M18 threaded body and built-in M12 connector simplify installation in tight spaces. The PNP output and 10-30V DC supply make it compatible with most PLCs and controllers.

What are the specifications of the OMRON E3FA-DP21?

The OMRON E3FA-DP21 is a plastic-bodied M18 threaded photoelectric sensor from the E3FA series. It has a built-in 4-pin M12 direct connector, PNP output, and operates on 10-30V DC. The electrical installation type is direct connector, and the nominal sensor diameter is M18 threaded.

Where to buy the OMRON E3FA-DP21 worldwide?

You can source the OMRON E3FA-DP21 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 time; we supply genuine OMRON sensors to industrial buyers globally.

How to install the OMRON E3FA-DP21 photoelectric sensor?

Mount the sensor using the M18 threaded body and tighten with a lock nut. Connect the 4-pin M12 male connector to a compatible female cable. Wire the PNP output to the PLC input, and supply 10-30V DC. Ensure the sensing face is clean and aligned with the target. Refer to the OMRON manual for detailed wiring diagrams.

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 cylindrical sensors with built-in connectors. 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 Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FA-DN21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FA-DN21)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, PNP (MPN E3FB-DP23)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, PNP (MPN E3FB-DP23)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FB-DN21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FB-DN21)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, NPN (MPN E3RA-RN21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, NPN (MPN E3RA-RN21)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, NPN (MPN E3FB-RN21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, NPN (MPN E3FB-RN21)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, PNP (MPN E3RA-RP21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, PNP (MPN E3RA-RP21)

More from OMRON

View all OMRON parts
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 2 Wires, 3 - Pin M12, NO (MPN E2E2-X10Y1-M4)
OMRON
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 2 Wires, 3 - Pin M12, NO (MPN E2E2-X10Y1-M4)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, PNP (MPN E3FB-RP21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12 Connector, 10-30V DC, PNP (MPN E3FB-RP21)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FB-DN23)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, NPN (MPN E3FB-DN23)
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X2B1DL12-M1)
OMRON
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X2B1DL12-M1)
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 2 Wires, M12, 20-264V AC (MPN E2E-X10Y1-M1)
OMRON
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 2 Wires, M12, 20-264V AC (MPN E2E-X10Y1-M1)
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X2B1D12-M1)
OMRON
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X2B1D12-M1)
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, PNP (MPN E3FB-DP21)
OMRON
OMRON Photoelectric Sensor: M18 Threaded, Built-in Connector, 4 - Pin M12, 10-30V DC, PNP (MPN E3FB-DP21)
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X10C1L30-M1)
OMRON
OMRON Inductive Cylindrical Proximity Sensor: Built-in Connector, Shielded, 3 Wires, M12, 10-30V DC (MPN E2E-X10C1L30-M1)