Omron D4N-4A31R Pull-Reset Safety Limit Switch for Machine Control

Product Overview

Buy Omron D4N-4A31R Switch online. This D4N-R series pull-reset safety limit switch features a top plunger actuator, an M20 single-conduit entry, and a 1NC/1NO slow-action contact configuration. It is designed for mechanical position detection and safety-related machine control applications.

The Omron D4N-4A31R incorporates a direct opening mechanism for reliable contact operation. Standardized gold-clad contacts provide high contact reliability and allow the switch to be used with both standard loads and microloads.

As professional electrical equipment for industrial automation and industrial control systems, this switch supports OEM equipment, replacement parts requirements, and automation components used in demanding industrial applications.

Technical Specifications & Features

• Brand: Omron
• Manufacturer Part Number: D4N-4A31R
• Category: Pull-Reset Safety Limit Switch
• Product Series: D4N-R
• Rated Current: 3 A at 240 VAC AC-15; 0.27 A at 250 VDC DC-13
• Rated Voltage: 240 VAC AC-15; 250 VDC DC-13
• Connection Type: M20 single-conduit entry
• Operating Temperature: -30°C to 70°C without icing
• Protection Rating: IP67 according to EN60947-5-1
• Certification: TÜV EN60947-5-1, UL 508, CSA C22.2 No. 14
• Actuator Type: Top plunger
• Contact Configuration: 1NC/1NO
• Switch Action: Slow-action

The direct opening mechanism supports dependable safety contact operation, while the pull-reset design provides controlled manual resetting after actuation. The IP67 enclosure protection supports installation in industrial environments when installed according to Omron requirements.

Gold-clad contacts deliver stable switching performance for standard loads and microloads. The compact D4N-R design supports integration into new OEM machinery and replacement of compatible machine control components.

Applications

The Omron D4N-4A31R is suitable for mechanical position detection and safety-related limit monitoring in industrial automation, factory automation, manufacturing equipment, and industrial control systems. Its top plunger actuator is intended for applications requiring direct mechanical actuation.

This switch can be integrated into OEM equipment, machine control systems, and other industrial applications requiring reliable automation components. It is also suitable for maintenance programs and replacement parts planning where the specified D4N-4A31R configuration is required.

Bulk purchase and RFQ are available. Contact us for quantity pricing, lead time, and shipping options.