IEC 60730-2-8:2025

Overview

IEC 60730-2-8:2025 is an international standard developed by the International Electrotechnical Commission (IEC) that specifies the particular requirements for electrically operated water valves, including their mechanical characteristics. This standard applies to automatic electrical controls used in, on, or associated with household equipment, building automation, and similar applications. It addresses both the inherent and functional safety of electrically operated water valves, ensuring the safe and reliable operation of devices across a broad range of environments, from residential appliances to commercial and industrial installations.

Key Topics

The critical topics addressed by IEC 60730-2-8:2025 include:

• Scope and Applicability: Covers electrically operated water valves for household appliances, building automation (such as under ISO 16484 and IEC 63044 for HBES/BACS), and equipment used by the public in various settings.
• Mechanical and Electrical Requirements: Establishes construction, performance, and testing specifications, including both electrical and mechanical features crucial for intended operation.
• Smart and Connected Valves: Accommodates requirements for valves with smart functionalities, integration with remote interfaces, and controls within smart grid systems.
• Power Ratings: Applies to valves with rated voltages up to 690 V AC or 600 V DC.
• Safety and Functional Performance: Addresses both inherent safety and functional safety, covering factors including EMC phenomena, operational values, operating times, and sequences.
• Sensor Integration: Specifies requirements when valves are responsive to or control parameters such as temperature, pressure, flow, humidity, or liquid levels, often using thermistors (NTC or PTC).
• Testing and Endurance: Details tests for mechanical strength, protection against electric shock, resistance to heat, fire, corrosion, aging, and endurance.
• Constructional Features: Includes requirements for enclosures, terminals, mounting, insulation, and manual controls when integrated with automatic controls.
• Exclusions: Does not apply to industrial process valves (unless no relevant safety standard exists), food or detergent dispensers, steam valves, or valves above specified size and pressure ratings.

Applications

IEC 60730-2-8:2025 is relevant in numerous practical scenarios, supporting manufacturers, designers, and installers involved with:

• Household Appliances: Electrically controlled water valves used in dishwashers, washing machines, refrigeration units, and other water-handling appliances.
• Building Automation: Integration with heating, ventilation, air conditioning (HVAC), and smart home systems, enabling automated and remote water control.
• Commercial and Public Equipment: Use within shops, offices, hospitals, farms, catering equipment, and other applications serving the public or industry.
• Smart Home and IoT: Supports emerging needs for smart-enabled water valves that can interface with remote controllers, smartphones, computers, and smart grid systems.

By complying with this standard, manufacturers and system integrators can ensure water valves perform safely and reliably, reduce liability risks, and meet global safety and interoperability requirements.

Related Standards

When designing and assessing compliance for electrically operated water valves, the following related standards may also be relevant:

• IEC 60730-1: General requirements for automatic electrical controls
• IEC 60335 series: Safety of household and similar electrical appliances
• ISO 16484 series: Building automation and control systems
• IEC 63044: Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS)
• IEC 61058-1-1: For manually actuated mechanical switches not incorporated into automatic controls

IEC 60730-2-8:2025 offers manufacturers, designers, and certification bodies a comprehensive framework to ensure that electrically operated water valves meet essential safety, functional, and mechanical requirements across a wide array of installations, supporting product quality, user safety, and system compatibility.