| Horizontal Symbol | Vertical Symbol | Description |
 HCR1F40 |
 VCR1F40 |
Frequency Relay |
 HCR1F41 |
 VCR1F41 |
Minimum Impedance Relay |
 HCR1F42 |
 VCR1F42 |
Relay Sensing Lack of Phase in Three Phase System |
 HCR1F43 |
 VCR1F43 |
Minimum Active Power Relay |
 HCR1F44 |
 VCR1F44 |
Insulating Relay |
 HCR1K1 |
 VCR1K1 |
Quick Relay Coil |
 HCR1K11 |
 VCR1K11 |
Mechanical Resonance Relay |