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Electrical relays - Tests and measurements - Part 41: Tests and measurement procedures - Insulation coordinat…

Overview EN IEC 63522-41:2026 is a European standard developed by CLC, based on the IEC 63522-41:2026 international framework. It provides essential guidelines for insulation coordination of various…

Electrical relays - Tests and measurements - Part 44: Corrosive atmosphere due to salt mist

Overview IEC 63522-44:2025 is an international standard developed by the International Electrotechnical Commission (IEC) that specifies test methods for assessing the performance of electrical relays…

Electrical relays - Tests and measurements - Part 43: Proof tracking index (PTI)

Overview IEC 63522-43:2025 is an international standard published by the International Electrotechnical Commission (IEC) focused on electrical relays testing and measurements. This part, titled Proof…

Electrical relays - Tests and measurements - Part 48: Contact failure rate test

Overview IEC 63522-48:2024 is an international standard developed by the International Electrotechnical Commission (IEC) that specifies test methods for evaluating the contact failure rate of electro…

Electrical relays - Tests and measurements - Part 4: Dielectric strength test

Overview IEC 63522-4:2025 is an international standard developed by the International Electrotechnical Commission (IEC) that specifies the test method for the dielectric strength of electrical relays…

Electrical relays - Tests and measurements - Part 40: Short circuit testing

Overview IEC 63522-40:2025 is an international standard published by the International Electrotechnical Commission (IEC) that specifies the standardized test methods for short circuit testing of elec…

Electrical relays - Tests and measurements - Part 41: Tests and measurement procedures - Insulation coordinat…

Overview IEC 63522-41:2026 is a crucial international standard published by the International Electrotechnical Commission (IEC), focusing on the insulation coordination for electrical relays. This do…

Electrical relays - Tests and measurements - Part 49: Long term stability of sealing

Overview IEC 63522-49:2025 is an international standard developed by the International Electrotechnical Commission (IEC) that focuses on the long term stability of sealing in electrical relays. This…

Electrical relays - Tests and measurements - Part 46: Impulse voltage test

Overview IEC 63522-46:2026 – Electrical relays - Tests and measurements - Part 46: Impulse voltage test – is an international standard developed by the International Electrotechnical Commission (IEC)…

Electrical relays. Tests and measurements - Tests and measurement procedures. Insulation coordination

1 Scope This part of IEC 63522 provides guidelines for the insulation coordination of electromechanical elementary, solid state, time, forcibility guided and reed relays as well reed contacts and hyb…

Electrical relays. Tests and measurements - Short circuit testing

1 Scope This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected con…

Electrical relays. Tests and measurements - Long term stability of sealing

1 Scope This part of IEC 63522 is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of o…

Electrical relays. Tests and measurements - Maximum frequency of operation

1 Scope This part of IEC 63522 is used for testing electromechanical elementary relays (electromechanical relays, reed relays, reed contacts, reed switches and technology combination of these) and ev…

Electrical relays. Tests and measurements - Dielectric strength test

1 Scope This part of IEC 63522 is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of DUTs to perform under expected con…

Electrical relays. Tests and measurements - Proof tracking index (PTI)

1 Scope This document is used for testing along with the appropriate severities and conditions for measurements and tests designed to assess the ability of specimens to perform under expected conditi…

Electrical relays. Tests and measurements - Corrosive atmosphere due to salt mist

1 Scope This part of IEC 63522 is used for testing all kinds of electrical relays and for evaluating their ability to perform under expected conditions of transportation, storage and all aspects of o…

Electrical relays. Tests and measurements - Contact failure rate test

Electrical relays - Tests and measurements - Part 45: Maximum frequency of operation

Overview IEC 63522-45:2025 is an International Standard developed by the International Electrotechnical Commission (IEC) specifically for electromechanical elementary relays. This includes electromec…