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OMRON D4NS-4BF-NPT Hazardous-Location Safety-Interlock Switch - Hazardous-Location Safety-Interlock Switches
OMRONHazardous-Location Safety-Interlock Switches

OMRON D4NS-4BF-NPT Hazardous-Location Safety-Interlock Switch

The OMRON D4NS Series Safety Interlock Switch (MPN D4NS-4BF-NPT) is a hazardous-location safety-interlock switch with a 2NC contact configuration. It features a front key hole location, a flat actuating key type, and…

SKU 3G-OTH-30370

Also listed as: D4NS4BFNPT · D4NS 4BF NPT

Brand
OMRON
Item
D4NS-4BF-NPT Hazardous-Location Safety-Interlock Switch
Part Number
D4NS-4BF-NPT
Category
Hazardous-Location Safety-Interlock Switches
Available to Order
Also known as:D4NS-4BF-NPTOMRON
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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
D4NS-4BF-NPT
Series
D4NS
Key Hole Location
Front
Actuating Key Type
Flat
Terminal Connection Type
M20

Technical Documents

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

Product Description

The OMRON D4NS Series Safety Interlock Switch (MPN D4NS-4BF-NPT) is a hazardous-location safety-interlock switch with a 2NC contact configuration. It features a front key hole location, a flat actuating key type, and an M20 terminal connection type.

Frequently Asked Questions

What is the OMRON D4NS-4BF-NPT safety interlock switch used for?

The OMRON D4NS-4BF-NPT is a hazardous-location safety-interlock switch used to guard access to dangerous machinery in industrial environments. It ensures machine safety by interrupting power when the guard is opened, preventing operator injury in applications such as packaging, robotics, and material handling.

What are the specifications of the OMRON D4NS-4BF-NPT?

The OMRON D4NS-4BF-NPT is part of the D4NS Series with a 2NC contact configuration. It features a front key hole location, a flat actuating key type, and an M20 terminal connection type. This switch is designed for hazardous-location safety-interlock applications requiring reliable guard door monitoring.

Where to buy the OMRON D4NS-4BF-NPT worldwide?

You can source the OMRON D4NS-4BF-NPT safety interlock switch through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive genuine OMRON components for your safety applications.

How to install the OMRON D4NS-4BF-NPT safety interlock switch?

Mount the OMRON D4NS-4BF-NPT securely to the machine guard frame using the M20 terminal connection. Align the flat actuating key with the front key hole and ensure the switch actuates properly when the guard closes. Follow OMRON's wiring diagram for the 2NC contacts and test the interlock function before operation.

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
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OMRON Products

3G Electric supplies OMRON hazardous-location safety-interlock switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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The OMRON D4BS-45FS-NPT is a hazardous-location safety-interlock switch from the D4BS series. It features a front key hole location, a flat actuating key type, and an M20 terminal connection type. This switch is used to guard access to dangerous machinery in industrial environments, ensuring equipment cannot operate when the guard is open

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