IEC 61076-2-113:2017

Overview

IEC 61076-2-113:2017 is an International Electrotechnical Commission (IEC) standard that specifies detailed requirements for M12 circular connectors with screw locking mechanisms. These connectors are designed for use in electronic equipment, combining power and signal contacts to support data transmission frequencies up to 100 MHz. The standard is essential for ensuring reliable performance, safety, and interoperability of connectors applied in industrial environments where both power supply and data communication are required.

This standard defines connectors with M12 thread dimensions featuring two data pairs and power contacts capable of carrying currents up to 12 A. It covers types of connectors including fixed and free versions, with options for rewireable and non-rewireable designs, incorporating male and female contacts. The standard’s coding system prevents mismating between connectors and ensures compatibility only with corresponding coded elements.

Key Topics

• Connector Types and Styles: Includes fixed connectors with PCB tails and various free connector versions (non-rewireable, straight and angled) with locking nuts.
• Data and Power Integration: Connectors designed to transmit data at frequencies up to 100 MHz while simultaneously carrying power loads up to 12 A.
• Performance and Safety: Specifications on creepage and clearance distances, voltage proof ratings, current-carrying capacities, contact resistance, insulation resistance, and impedance.
• Mechanical and Environmental Characteristics:
  • Screw locking mechanism ensures secure mating.
  • Polarizing features prevent incorrect connections.
  • Protection against vibration, pressure differentials, and climatic categories suited for harsh industrial conditions.
  • IP degree of protection ensuring suitability for various environmental exposures.
• Electrical Transmission Requirements: Parameters such as insertion loss, return loss, Near-End Crosstalk (NEXT), Far-End Crosstalk (FEXT), and shielding effectiveness.
• Test Procedures: Comprehensive test schedules for mechanical endurance, electrical load, climatic resilience, chemical resistivity, and connection reliability.

Applications

This standard is particularly crucial for industrial automation, factory equipment, and other electronics requiring compact, robust connectors supporting integrated power and high-frequency data transmission. Typical use cases include:

• Industrial networking systems where M12 connectors provide medium-frequency data interface alongside power delivery.
• Machinery and control panels needing reliable connectors that withstand vibration, temperature variations, and industrial contaminants.
• Sensors and actuators requiring secure and standardized connectors ensuring signal integrity and power supply.
• Communication infrastructure in manufacturing facilities demanding high-performance connectors with standardized locking and coding to avoid mismatches.

By adhering to IEC 61076-2-113:2017, manufacturers and users can ensure reliable and safe interconnectivity, reduce downtime due to connector failures, and achieve compliance with international standards facilitating global interoperability.

Related Standards

• IEC 61076-1: General requirements for connectors for electronic equipment, providing compatibility levels referenced by IEC 61076-2-113.
• IEC 61076-2 series: Covers other specific connector types and coding systems, ensuring interoperability and addressing diverse industrial and electronic applications.
• IEC 60512: Testing procedures for connectors, providing comprehensive methods to verify compliance with performance and mechanical standards.
• IEC 61984: Safety requirements and tests for connectors, complementing the mechanical and electrical requirements of IEC 61076-2-113.
• ISO/IEC 11801: Information technology cabling standards, relevant for connectors used in structured cabling environments supporting data transmission.

This standard is a critical reference for engineers, manufacturers, and system integrators who design or utilize circular M12 connectors combining power and data transmission in demanding industrial settings. Its detailed specifications facilitate high-quality connector production and ensure the secure, efficient operation of power and communication systems.