CISPR PAS 39:2024 is a focused EMC document for evaluating conducted emissions on the low voltage AC mains port in the 9 kHz to 150 kHz range for equipment intended to operate in residential environments. It is relevant when engineering teams, test laboratories, and compliance groups need a clear technical reference for documented evaluation of low-frequency mains-port emissions. As a primary reference, it supports technical review, conformity assessment planning, and procurement decisions where electromagnetic compatibility requirements affect product acceptance.

Purpose of CISPR PAS 39:2024

The purpose of CISPR PAS 39:2024 is to define the conducted emission requirements associated with low voltage AC mains connections for equipment used in residential settings. The title indicates a narrow but important EMC scope, helping organizations align testing workflows with the expected emission requirements at the mains port. It is useful for technical assessment, verification activities, and engineering documentation where low-frequency interference concerns may influence design decisions, laboratory evaluation, and compliance preparation.

Compliance applications of CISPR PAS 39:2024

CISPR PAS 39:2024 is commonly relevant during product evaluation for electrical equipment that connects to low voltage AC mains and is intended for residential environments. It may be used in EMC test planning, pre-compliance checks, and conformity assessment preparation when emissions in the 9 kHz to 150 kHz range are part of the review. Engineering, quality, and regulatory teams can use it to support consistent technical validation, especially where documented evaluation of mains-port performance is needed for market access or internal approval.

Benefits of CISPR PAS 39:2024

Using CISPR PAS 39:2024 can improve consistency across testing workflows by giving teams a specific compliance reference for conducted emissions at the AC mains port. That helps reduce ambiguity in technical review, supports risk management, and strengthens procurement and certification documentation. It may also assist with operational consistency between design validation, laboratory measurement, and final compliance checks, which is valuable when product teams need reliable evidence for conformity assessment and quality assurance.

• Targets conducted emission requirements for the low voltage AC mains port in the 9 kHz to 150 kHz range
• Supports EMC test planning for equipment intended for residential environments
• Useful for engineering documentation, pre-compliance review, and laboratory evaluation
• Helps align technical validation with conformity assessment and regulatory preparation
• Provides a focused reference for procurement and compliance workflows involving mains-connected electrical equipment