| Horizontal Symbol | Vertical Symbol | Description |
HCR1F35 |
VCR1F35 | Minimum Voltage Protection |
HCR1F36 |
VCR1F36 | Maximum Voltage Protection |
HCR1F38 |
VCR1F38 | Residual Voltage Protection |
HCR1F31 |
VCR1F31 | Ground Failure Voltage Protection |
HCR1F39 |
VCR1F39 | Lack of Voltage Protection |