| Horizontales Symbol | Vertikales Symbol | Beschreibung |
 HCR1F28 |
 VCR1F28 |
Rückkehr-Stromschutz |
 HCR1F29 |
 VCR1F29 |
Differentialstromschutz |
 HCR1F30 |
 VCR1F30 |
Differentialstromschutz - Relativer Wert |
 HCR1F25 |
 VCR1F25 |
Maximaler Stromschutz |
 HCR1F26 |
 VCR1F26 |
Minimaler Stromschutz |
 HCR1F27 |
 VCR1F27 |
Minimaler und maximaler Stromschutz |
 HCR1F32 |
 VCR1F32 |
In Neutral |
 HCR1F33 |
 VCR1F33 |
In Neutral zwischen zwei Mehrphasensystemen |
 HCR1F37 |
 VCR1F37 |
Erdungsfehler-Stromschutz |