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OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67

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"ACH has proven to be a reliable partner. Their products are genuine and high-quality, with competitive prices and on-time delivery. We trust them as our long-term supplier in automation."

—— Mohammed Al-Farsi, Procurement

"For us, cost efficiency and authenticity are key. ACH helps reduce expenses while ensuring reliable quality and timely supply, making them a strong partner in our operations."

—— Procurement Manager

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"ACH offers quick response, flexible solutions, and fair pricing. The products are always genuine and reliable, and their friendly support makes cooperation smooth."

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"ACH provides genuine products with stable quality and fair pricing. Their fast response and reliable delivery give us confidence to continue working with them."

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OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67

OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67
OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67
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Large Image :  OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67 Get Best Price

Product Details:
Place of Origin: JP
Brand Name: OMRON
Certification: ATEX
Model Number: D4A-3109N
Document: ACH-AB-P+F-E+H-IFM-ASCO-YOK...WA.pdf
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: Negotiable
Packaging Details: carton
Delivery Time: Negotiable
Payment Terms: T/T,XT,ALIPAY
Supply Ability: 100pcs per month
Contact Now
Detailed Product Description
Power Supply: 1 Ambient Temperature: -
Electrical Rating: G Certifications: S
Highlight:

OMRON top plunger limit switch SPDT

,

IP67 waterproof limit switch 10A

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SPDT limit switch with top plunger

OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67

OMRON D4A-3109N general-purpose limit switch. Top plunger actuator, SPDT double-break contacts, 10A 600V AC rating, IP67 sealed, G1/2 conduit.

Product Overview

The OMRON D4A-3109N​ is a heavy-duty industrial limit switch​ from the D4A series. It features a top plunger actuator​ and SPDT double-break snap-action contacts​ rated for 10A at 600V AC. Designed for harsh environments, it offers IP67 sealing​ against dust and water ingress and is built for high mechanical durability in machine automation and material handling applications.

Technical Specifications (Electrical & Contact)

Parameter

Specification

Model Number​

D4A-3109N​

Contact Configuration​

SPDT​ (1NO+1NC), Double-break

Contact Rating​

10 A​ @ 600 V AC (Resistive)

Max. Voltage​

600 V AC / 250 V DC

Electrical Life​

1,000,000 cycles (at rated load)

Initial Contact Resistance​

≤ 25 mΩ

Insulation Resistance​

≥ 100 MΩ (500 V DC)

Technical Specifications (Mechanical & Environmental)

Parameter

Specification

Actuator Type​

Top Plunger​ (Standard)

Operating Force​

~17.7 N (Plunger)

Pretravel​

1.6 mm

Mechanical Life​

50,000,000 cycles (min.)

Enclosure Rating​

IP67​ (Dust-tight, Waterproof)

Conduit Entry​

G 1/2​ (2x)

Operating Temperature​

-20 °C to +100 °C​ (Standard)

Housing Material​

Metal (Zinc Die Cast)

Key Features

  • Rugged Construction:​ Zinc die-cast body and stainless steel plunger for high shock resistance.

  • High Capacity:​ 10A switching capability eliminates the need for interposing relays in many motor control circuits.

  • Environmental Sealing:​ IP67 rating ensures reliable operation in wet and dusty industrial conditions.

  • Double-Break Contacts:​ Two contact points per circuit provide higher reliability and breaking capacity.

Applications

  • Machine Tools:​ Position detection and end-of-travel limits for CNC equipment.

  • Material Handling:​ Conveyor line object detection and pallet positioning.

  • Packaging Machinery:​ Safety door interlocks and cam-operated sequencing.

OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67 0

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About ACH

Founded in 2012, ACH is a top-tier distributor of industrial automation products, supplying genuine devices from leading brands like ABB, P+F, E&H, AB, MTL  to emerging markets worldwide. Our mission is to provide 100% Genuine products at the most competitive prices, helping customers reduce costs and strengthen their market position.

OMRON D4A-3109N | Top Plunger Limit Switch, SPDT 10A, IP67 1
Frequently Ask & Questions
Are preferential prices available?

Long-term brand partners can get competitive product prices. At the same time, ACH controls the profit per order to 5%, providing the most competitive prices.

Are the Products Genuine OEM Units?

Yes, all products from ACH are certified genuine OEM units. We acquire our inventory through official OEM channels and trusted third-party suppliers, ensuring every item is authentic and reliable.

How will you arrange shipment?

We'll handle the shipping for you. Through our partnerships, we can secure competitive rates with major carriers like FedEx, DHL, TNT, and UPS, ensuring a smooth and cost-effective delivery.

What is the warranty of goods?

One-year Warranty.

How long is the logistics cycle of the product?

Products are divided into spot and futures, and the delivery period of different brands of products is also different. For details, please contact the ACH business manager.

Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

A
Ahmad
Malaysia May 4.2026
Helpful (2)
OMRON E5CC controller works precisely for temperature regulation.
A
Amir
United Arab Emirates Apr 19.2026
Helpful (1)
Original model fits perfectly, stable performance and great quality.
A
Ahmed
Pakistan Apr 13.2026
Helpful (3)
TE Connectivity 1SNL308010R0000 is reliable, well-built and works perfectly
Tag:

VEGA Instruments,

vibrating level switch,

OMRON top plunger limit switch SPDT

Contact Details
Achievers Automation Limited

Contact Person: sales2

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