Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
H01F 38/20

Instruments transformers

Introduced: January 1995

Title

Titles differ between systems:

IPC: Instrument transformers

CPC: Instruments transformers

Full Title

Full titles differ between systems:

IPC:

Adaptations of transformers or inductances for specific applications or functions > Instrument transformers

CPC:

Adaptations of transformers or inductances for specific applications or functions > Instruments transformers

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

IPC defines codes here since 1995.

Child Classifications

Navigate with arrow keys, Enter to open

  • H01F 38/38 for polyphase AC since 1995 IPC+CPC Available in IPC and CPC
  • H01F 38/40 for DC since 1995 IPC+CPC Available in IPC and CPC