What does the Type CF applied part symbol look like?

A solid heart inside a square frame. It is also called “CF applied part”, “Cardiac floating” and “Type CF”.

Which standard defines the Type CF applied part symbol?

It is listed as IEC 60601-1-Table D.1, No. 21.

Type CF applied part symbol: a solid heart inside a square frame — IEC 60601-1-Table D.1, No. 21

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Type CF applied part

A solid heart inside a square frame. · also called “CF applied part”, “Cardiac floating”, “Type CF”

What the Type CF applied part symbol means

Marks a type CF (cardiac floating) applied part under IEC 60601-1, the strictest protection class against electric shock. It is used for parts that make an electrical connection directly to the heart, and it is floating, meaning separated from earth.

Source · Official website Medical device manufacturer's digital symbols glossary · checked Nov 11, 2026

Where it appears

Medical electrical equipment

IEC 60601-1
—This meaning

Questions about the Type CF applied part symbol

What does the Type CF applied part symbol mean?: Marks a type CF (cardiac floating) applied part under IEC 60601-1, the strictest protection class against electric shock. It is used for parts that make an electrical connection directly to the heart, and it is floating, meaning separated from earth.
What does the Type CF applied part symbol look like?: A solid heart inside a square frame. It is also called “CF applied part”, “Cardiac floating” and “Type CF”.
Which standard defines the Type CF applied part symbol?: It is listed as IEC 60601-1-Table D.1, No. 21.

Checked against the source · Nov 11, 2026 · How we verify

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