1543940

Overview

Phoenix Contact part number 1543940 is an M23 PRO series cable connector housing designed for signal applications. It features a straight configuration with twelve positions and utilizes the ONECLICK fast locking system for secure attachment. The component is shielded to ensure electromagnetic compatibility in industrial environments. Rated surge voltage is 2.5 kV, operating within overvoltage category III and degree of pollution 3. This connector supports counter-clockwise rotation direction and is suitable for plant, controller, and electrical device engineering.

Feature Summary

• Equipped with ONECLICK fast locking system for simplified connection and disconnection processes
• Shielded design ensures signal integrity in electrically noisy industrial settings
• Straight cable entry orientation facilitates organized wiring management

Applications

• Plant engineering installations requiring robust signal transmission
• Controller systems needing reliable circular connector interfaces
• Electrical device engineering projects demanding high durability

Procurement Notes

Verify that the specific order matches Phoenix Contact part number 1543940 or its equivalent designation M23-12S2N128003S. Confirm the requirement for the ONECLICK locking mechanism and twelve-position shielding before procurement. Ensure compatibility with existing M23 PRO series mating components. Check technical specifications against application environmental conditions such as surge voltage ratings and pollution degrees.

Selection Notes

Select this component when a shielded M23 cable connector with twelve positions is required for signal applications. The ONECLICK locking system offers advantages in assembly speed and security compared to standard screw-lock variants. Consider the straight orientation for space-constrained routing. Verify that the rated surge voltage of 2.5 kV meets the system's electrical safety requirements.

Part Context

This component belongs to the M23 PRO series from Phoenix Contact, which specializes in heavy-duty circular connectors for industrial automation. The series emphasizes ease of use through proprietary locking technologies and robust shielding for sensitive signal lines. Part 1543940 represents a specific variant optimized for straight cable entry and twelve-pin configurations within this broader product family.

Replacement Considerations

The document identifies M23-12S2N128003S as the equivalent designation for part 1543940. No other substitute part numbers are publicly confirmed in the provided source material.