| Horizontal Symbol | Vertical Symbol | Description |
 HPX1U |
 VPX1U |
Ultrasonic |
 HPX11U |
 VPX11U |
Ultrasonic Switch, Normally Open |
 HPX12U |
 VPX12U |
Ultrasonic Switch, Normally Closed |
 HPX11U3 |
 VPX11U3 |
Normally Open 3 Wire |
 HPX11U3R |
 VPX11U3R |
Normally Open 3 Wire 180 |
 HPX12U3 |
 VPX12U3 |
Normally Closed 3 Wire |
 HPX12U3R |
 VPX12U3R |
Normally Closed 3 Wire 180 |
 HPX11U3C |
 VPX11U3C |
Normally Open 3 Wire with connector |
 HPX11U3RC |
 VPX11U3RC |
Normally Open 3 Wire 180 with connector |
 HPX12U3C |
 VPX12U3C |
Normally Closed 3 Wire with connector |
 HPX12U3RC |
 VPX12U3RC |
Normally Closed 3 Wire 180 with connector |