OMRON safety switch, D4NS-4AF
LEHIY item code: LH-OMRON-0317
Rated Frequency 50/60Hz Class II (Double Insulation) Pollution Level (Environmental Condition) 3 (EN60947-5-1) Pulse Withstand Voltage Same Terminal Interchange 2.5 kV (Uimp) Same Terminal Interchange 4 kV (EN60947-5-1) Terminals and Non-energized 6 kV Metal-to-Metal Interconnection Insulation Resistance Above 100MΩ Contact Spacing.
Above 2 × 2mm Vibration Resistance Maloperation Resistance 10～55Hz, Single Amplitude 0.75mm Impact Resistance Durability 1,000m/s 2 or more Maloperation 300m/s 2 or more Conditional Short-Circuit Current 100A (EN60947-5-1) Rated Open Thermal Current (Ith) 10A (EN60947-5-1) Ambient Temperature.
-30～70°C (non-icing) Ambient Humidity Below 95% Weight Approx.
96g (D4NS-1CF): (EN60947-5-1).
Category: Switch Sensor
Rated Insulation Voltage (Ui): 300V
Quick buying check
This page helps you check OMRON safety switch, D4NS-4AF before you ask for a quote.
Confirm the brand, model number, part number, and quantity. Share a clear nameplate photo when the old item has close variants.
LEHIY can check stock, lead time, packing, shipping documents, and safe replacement options for maintenance orders.
Product Features
|
Technical Specifications
| Type | Contact Structure | Conduit Port/Connector | Model | |
| 1 Conduit | Slow-Moving Type | 1NC/1NO | Pg13.5 | D4NS-1AF * |
| G1/2 | D4NS-2AF * | |||
| M20 | D4NS-4AF | |||
| 2NC | Pg13.5 | D4NS-1BF * | ||
| G1/2 | D4NS-2BF * | |||
| M20 | D4NS-4BF |
| Interlocking type 2 | (EN ISO 14119) | |
| Code Level | Low level coded (EN ISO 14119) | |
| Protective Structure *1 | IP67 (EN60947-5-1) | |
| Lifespan *2 | Mechanical | <Standard Type>Over 1 million cycles |
| <High Tensile Strength Type>Over 100,000 cycles | ||
| Electrical | <Standard Type> | |
| Over 500,000 cycles (AC250V 3A, resistive load) *3 | ||
| Over 300,000 cycles (AC250V 10A, resistive load) | ||
| Over 100,000 cycles (AC250V 10A, resistive load) | ||
| Operating Speed | 0.05～0.5m/s | |
| Forced Disconnection Force *4 | <Standard Type>Minimum 60N | |
| <High-Tension Type>Minimum 80N | ||
| Forced Disconnect Pre-Stroke *4 | 10mm and above | |
| Contact Resistance | Below 25mΩ | |
| Minimum Applicable Load *5 | DC5V 1mA Resistive Load (N Level Reference Value) | |
| Rated Insulation Voltage (Ui) | 300V | |
| Rated Frequency 50/60Hz | ||
| (EN60947-5-1) | Terminals and Non-energized | 6 kV |
| Metal-to-Metal Interconnection | ||
| Insulation Resistance | Above 100MΩ | |
| Contact Spacing | Above 2 × 2mm | |
| Vibration Resistance | Maloperation Resistance | 10～55Hz, Single Amplitude 0.75mm |
| Impact Resistance | Durability | 1,000m/s<sup>2</sup> or more |
| Maloperation | 300m/s<sup>2</sup> or more | |
| Conditional Short-Circuit Current | 100A (EN60947-5-1) | |
| Rated Open Thermal Current (Ith) | 10A (EN60947-5-1) | |
| Ambient Temperature | -30～70°C (non-icing) | |
| Ambient Humidity | Below 95% | |
| Weight | Approx. 96g (D4NS-1CF) |
Technical Specifications
| Specification | Value |
|---|---|
| Brand | OMRON |
| Category | Switch Sensor |
Plain language sourcing guide for OMRON safety switch, D4NS-4AF
Start with the full model name. Check the brand name. Check the part number. Check the code on the old unit. These small checks help you avoid a wrong order.
Take one clear photo of the front label. Take one photo of the side label. If the part has a cable, plug, port, seal, coil, or screen, take a photo of that area too.
Tell us the quantity you need. Tell us your country. Tell us the date when the plant needs the part. We can then check stock, lead time, safe packing, and the best shipping plan.
If the exact model is no longer made, do not guess. Send the old model and the use case. LEHIY can compare close options and explain which choice is safer for repair work.
Use simple order notes. Write the model in one line. Write the quantity in one line. Write the delivery country in one line. This helps our team reply faster.
Check the old part before removal. Look at the label. Look at the connector. Look at the mounting size. Look at the voltage or pressure rating if it is shown.
Do not rely on a short nickname for a part. Many industrial items have close versions. A small suffix can change the plug, output, range, or software setting.
Ask for a stock check if the plant is stopped. Ask for a lead time if the order is planned. Ask for packing photos if the part is fragile or heavy.
For a replacement order, tell us what failed. Tell us where the part is used. Tell us if an equal model is acceptable. This makes the first answer more useful.
For repeat orders, send the last invoice, old label, or old packing photo. The same reference can help us match the correct product again.
For urgent service, keep the message simple. One model, one quantity, one photo, and one delivery target are enough for a fast first check.
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| Brand Name: | Omron | Certification: | ISO9001, CE |
|---|---|---|---|
| Place of Origin: | China | Condition: | New |
| Warranty: | 1 year | Customized sourcing: | available |
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Ans. LEHIY specializes in industrial automation and control components, offering fast sourcing, stable quality, and competitive prices for global customers.
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Ans. Most items ship within 3-7 days. Customized or rare models may take 10-30 working days.
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Ans. Our main products include PLCs, sensors, valves, solenoid valves, actuators, power modules, transmitters, and complete industrial automation solutions.
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Replacement support
OMRON safety switch, D4NS-4AF
Send the brand, model, part number, quantity, nameplate photos, and application requirements. LEHIY will check availability, suitable alternatives, packing details, and delivery options before quoting.
For discontinued, temporarily unavailable, or configuration-sensitive items, our team can compare the requested model with close variants or compatible replacements for maintenance and spare parts planning.
Use this page as a practical sourcing note for engineers, buyers, and maintenance teams comparing automation components. Check the model name, brand, LEHIY code, application, and replacement requirements before sending an inquiry.
Short, clear information helps our team confirm availability faster and reduce back-and-forth communication during urgent maintenance projects.
- Confirm the complete model number and any suffix printed on the nameplate.
- Share quantity, destination country, preferred shipping method, and target delivery date.
- Include photos, drawings, old purchase records, or datasheets when compatible alternatives are acceptable.
- Ask for stock checking, replacement comparison, packing details, and export documentation before ordering.
Useful details for a faster quote
- Complete model and part number
- Required quantity and target delivery date
- Nameplate photos, drawings, or old purchase records
- Voltage, signal range, dimensions, or accessory needs
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OMRON safety switch, D4NS-4AF verification notes
Please send the full model number, quantity, target delivery date, and nameplate photos. These details help us check the requested product or a close replacement.
LEHIY reviews product name, part number, series, label information, and application requirements before shipment.
If the original model is discontinued or supplied with different accessories, we can explain practical differences before quoting.
For repeat purchasing, we can help organize related models, replacement parts, shipment schedules, and clear communication for your team.
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