ABB OT40F3 Isolating Switch

The ABB OT40F3 is a 3-pole isolating switch rated for 40A at voltages exceeding 1,000V, used in industrial electrical panels to safely disconnect circuits for maintenance. It falls under HTS 8535.30.00 as an isolating switch designed for high-voltage applications, allowing manual disconnection without load interruption.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.7%+35.0%37.7%
🇲🇽Mexico2.7%+10.0%12.7%
🇨🇦Canada2.7%+10.0%12.7%
🇩🇪Germany2.7%+10.0%12.7%
🇯🇵Japan2.7%+10.0%12.7%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8536.20.00Same rate: 37.7%

If designed for frequent load switching

Load-breaking switches with arc interruption capability are classified as automatic circuit breakers in 8536.

8538.90.60Higher: 38.5% vs 37.7%

If voltage 1,000V or under

Low-voltage isolating switches fall under other switch provisions in heading 8538.

8537.10.91Higher: 52.7% vs 37.7%

If sold as complete control panel board

When mounted in panels for voltage >1,000V, classified as boards with switching apparatus in 8537.

Not sure which classification is right?

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Import Tips & Compliance

• Verify voltage rating exceeds 1,000V and obtain IEC 60947-3 certification to confirm classification as isolating switch

• Include detailed technical specs and test reports in documentation to avoid reclassification to lower-voltage switches