GB/T 21711.1-2023 "Basic Electromechanical Relays - Part 1: General and Safety Requirements" is a national standard in China that establishes the overall guidelines and safety requirements for electromechanical relays.
This standard provides a comprehensive framework for the design, manufacturing, and use of electromechanical relays, ensuring their safe and reliable operation. It covers various aspects such as electrical and mechanical characteristics, environmental conditions, testing methods, and safety requirements.
The standard emphasizes the importance of safety in the design and use of electromechanical relays, aiming to protect users and prevent potential hazards. It outlines the necessary safety precautions, including insulation requirements, protection against electric shock, and protection against fire and explosion risks.
Furthermore, GB/T 21711.1-2023 also specifies the technical specifications and performance requirements for electromechanical relays, including contact ratings, coil voltages, and operating conditions. It provides guidance on the selection, installation, and maintenance of these relays, ensuring their proper functioning and longevity.
This standard is essential for manufacturers, suppliers, and users of electromechanical relays in China, providing a unified reference for quality control and safety assurance. Compliance with GB/T 21711.1-2023 ensures the reliability and safety of electromechanical relays, making them suitable for various applications in industries such as power systems, industrial automation, and transportation.
GB/T 21711.1-2023 history
2023GB/T 21711.1-2023 Basic electromechanical relays Part 1: General principles and safety requirements
2008GB/T 21711.1-2008 Electromechanical elementary relays.Part 1: General and safety requirements