Overview

EN IEC 62626-1:2025 (aligned with IEC 62626-1:2023 RLV) specifies additional requirements for enclosed switch-disconnectors used to provide isolation of electrical equipment during repair, cleaning and maintenance in specific applications. The standard applies to devices with rated voltages up to 1 000 V AC and covers enclosed, locally mounted switch-disconnectors that comply with IEC 60947-3. These devices are intended for isolation (often called “maintenance switches” or “safety switches”) and are not designed for remote control, automatic switching, or operational switching tasks such as quick start/stop or jogging. This edition (2025/2023) supersedes the 2014 version and updates requirements in line with IEC 60947-1:2020.

Key Topics and Requirements

The standard focuses on practical safety and performance characteristics. Key technical topics include:

Scope and classification of enclosed switch-disconnectors for maintenance isolation.
Constructional requirements: enclosure design, locking arrangements and protection against environmental influences.
Marking and product information: front-marking, additional markings and required documentation for safe use.
Mechanical and electrical performance: mechanical strength, degree of protection (IP/IK considerations), and switching capacity requirements consistent with IEC 60947 series.
Operation/actuation requirements to prevent unintended operation during maintenance.
Testing: type tests and performance verification procedures to demonstrate conformity.
Emphasis that devices are not fitted for remote or automatic switching to avoid unexpected starts and that isolation may not prevent re-energization from non-electrical energy sources.

Applications and Who Uses It

EN IEC 62626-1 is essential for:

Manufacturers of low-voltage enclosed switch-disconnectors and maintenance switches.
Test laboratories and certification bodies validating compliance and safety.
Electrical designers, specifiers and OEMs selecting isolation devices for motor circuits and equipment.
Installation and maintenance teams, safety managers and procurement professionals**-to ensure correct selection and safe installation of isolation devices near the equipment being serviced.

Common applications: motor starter panels, machine tool isolation, local equipment isolation for cleaning or repair where reliable manual isolation is required.

Related Standards

IEC 60947-3 (switches, disconnectors, switch-disconnectors)
IEC 60947-1 (general rules) - update referenced in this edition
Other referenced standards: IEC 60204-1, IEC 60529, IEC 62262, ISO 13850

Keywords: EN IEC 62626-1:2025, IEC 62626-1:2023, enclosed switch-disconnectors, low-voltage switchgear, isolation, maintenance switches, IEC 60947-3, low-voltage switchgear and controlgear.

Overview

Key Topics and Requirements

The standard focuses on practical safety and performance characteristics. Key technical topics include:

Scope and classification of enclosed switch-disconnectors for maintenance isolation.
Constructional requirements: enclosure design, locking arrangements and protection against environmental influences.
Marking and product information: front-marking, additional markings and required documentation for safe use.
Mechanical and electrical performance: mechanical strength, degree of protection (IP/IK considerations), and switching capacity requirements consistent with IEC 60947 series.
Operation/actuation requirements to prevent unintended operation during maintenance.
Testing: type tests and performance verification procedures to demonstrate conformity.
Emphasis that devices are not fitted for remote or automatic switching to avoid unexpected starts and that isolation may not prevent re-energization from non-electrical energy sources.

Applications and Who Uses It

EN IEC 62626-1 is essential for:

Manufacturers of low-voltage enclosed switch-disconnectors and maintenance switches.
Test laboratories and certification bodies validating compliance and safety.
Electrical designers, specifiers and OEMs selecting isolation devices for motor circuits and equipment.
Installation and maintenance teams, safety managers and procurement professionals**-to ensure correct selection and safe installation of isolation devices near the equipment being serviced.

Common applications: motor starter panels, machine tool isolation, local equipment isolation for cleaning or repair where reliable manual isolation is required.

Related Standards

IEC 60947-3 (switches, disconnectors, switch-disconnectors)
IEC 60947-1 (general rules) - update referenced in this edition
Other referenced standards: IEC 60204-1, IEC 60529, IEC 62262, ISO 13850

Keywords: EN IEC 62626-1:2025, IEC 62626-1:2023, enclosed switch-disconnectors, low-voltage switchgear, isolation, maintenance switches, IEC 60947-3, low-voltage switchgear and controlgear.

SIST EN IEC 62626-1:2025 PDF

Technical details

Abstract

Overview

Key Topics and Requirements

Applications and Who Uses It

Related Standards

Related standards

Abstract

Overview

Key Topics and Requirements

Applications and Who Uses It

Related Standards

Related standards

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