OVERVIEW

Official designation: Omron D4NS-2DF (D4NS Series, Safety-Door Switch)

Role/Application: A safety-door switch used for reliable position and door monitoring in industrial control systems, featuring a plunger type actuator and a double-break 1 NC/1 NO contact configuration within an IP67 plastic housing.

KEY SPECS SUMMARY

Power: Rated insulation voltage 300 V

Interfaces / Ports: Screw terminals, G1/2 conduit size

Indicators: Non-illuminated

Operating Temp: Minus 30 to plus 70 degrees C, 95 percent max RH

Platform / Compatibility: IP67 protection, CCC, CE, cULus, TUV approved

Limit: Rated thermal current 10 A at 250 VAC, electrical durability 300,000 operations

Lifecycle: Active product line (D4NS series)

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the minimum applicable load rating for the D4NS-2DF switch contacts?

A: The minimum applicable load is a resistive load of 1 mA at 5 VDC, based on N-level reference values.

Wiring & Installation:

Q: What is the impulse withstand voltage rating between the switch terminals of different polarity?

A: The impulse withstand voltage between terminals of different polarity is rated at 4 kV.

Troubleshooting & Compatibility:

Q: What are the potential issues when using the D4NS switch in environments with foreign material?

A: Using the switch where foreign material may enter through the key hole may cause switch damage or malfunctioning.

Replacement & Upgrades:

Q: Are there alternatives to the D4NS-2DF with a different number of contacts available?

A: Yes, the D4NS series includes models with 2NC, 2NC/1NO, and 3NC contact forms, in addition to the 1NC/1NO configuration.