ECCN 3A227

NPAT

High-voltage direct current power supplies, having both of the following characteristics , excluding items that are subject to the export licensing authority of the Nuclear Regulatory Commission (see 10 CFR part 110).

Category: 3 - ElectronicsProduct Group: A - EquipmentLast Updated: 2026-04-10

What This ECCN Covers

ECCN 3A227 controls high-voltage direct current power supplies having both of the characteristics in the entry. These high-voltage supplies have proliferation-relevant uses such as electromagnetic isotope separation and are controlled for Nuclear Nonproliferation and Anti-Terrorism reasons.

Who needs to check this?

Suppliers of high-voltage DC power supplies for research, accelerator, and industrial applications.

Compliance tip

Confirm the voltage, current, and stability parameters against the entry, and distinguish from the high-power supply controlled by 3A226. With NP among the reasons, apply nuclear end-use diligence and verify the Country Chart.

Reviewed by Jack Tan · Last reviewed: Jun 5, 2026

Items Covered

  • b.Current or voltage stability better than 0.1% over a time period of 8 hours.

Control Reasons

NPNuclear Nonproliferation

Items controlled for nuclear nonproliferation reasons.

Column 1: YesColumn 2: No
ATAnti-Terrorism

Items controlled for anti-terrorism reasons. Most items on the CCL have AT controls.

Column 1: YesColumn 2: No

Disclaimer

This information is for reference only. For official classifications, consult BIS or a qualified export control professional.

Official Reference

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