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OMRON D4A2509N Top-Mount Plunger Limit Switch, DPDT, Momentary, Metallic Body - Top-Mount Plunger Limit Switches
OMRONTop-Mount Plunger Limit Switches

OMRON D4A2509N Top-Mount Plunger Limit Switch, DPDT, Momentary, Metallic Body

The OMRON D4A2509N is a top-mount plunger limit switch from the D4A series, featuring a metallic body and a plunger actuator. It offers a DPDT contact form with simultaneous operation and momentary action, and…

SKU 3G-OTH-29825

Brand
OMRON
Item
D4A2509N Top-Mount Plunger Limit Switch, DPDT, Momentary, Metallic Body
Part Number
D4A2509N
Category
Top-Mount Plunger Limit Switches
Available to Order
Also known as:D4A2509NOMRON
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Technical Specifications

OMRON
Manufacturer Part Number
D4A2509N
Series
D4A
Type
Momentary, Metallic, Plunger, D4A
Action
Momentary
Contact Form
DPDT - Simultaneous Operation
Actuator Type
Plunger
Mounting Holes
2
Body Material Type
Metallic
Electrical Connection
Screw Terminals

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

Product Description

The OMRON D4A2509N is a top-mount plunger limit switch from the D4A series, featuring a metallic body and a plunger actuator. It offers a DPDT contact form with simultaneous operation and momentary action, and connects via screw terminals.

Frequently Asked Questions

What is the OMRON D4A2509N limit switch used for?

The OMRON D4A2509N plunger limit switch detects the presence or position of moving machinery parts in industrial automation. Its metallic body and DPDT momentary action make it suitable for safety interlocks, conveyor systems, and machine tool applications where reliable position sensing is required.

What are the specifications of the OMRON D4A2509N?

The OMRON D4A2509N is a top-mount plunger limit switch from the D4A series. It features a metallic body, plunger actuator, DPDT contact form with simultaneous operation, momentary action, and screw terminals. It has two mounting holes and is designed for industrial environments.

Where to buy the OMRON D4A2509N worldwide?

3G Electric supplies the OMRON D4A2509N plunger limit switch 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 D4A series switch.

How to install the OMRON D4A2509N limit switch?

Mount the OMRON D4A2509N using its two mounting holes, ensuring the plunger aligns with the actuating cam or target. Connect wires to the screw terminals per the DPDT wiring diagram. Adjust the actuation point so the plunger depresses fully during operation. Test for proper momentary switching before commissioning.

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 top-mount plunger limit switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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