| Horizontal Symbol | Vertical Symbol | Description |
 HFU1 |
 VFU1 |
Fuse |
 HFU21 |
 VFU21 |
Fuse Auxiliary Contact, Normally Open |
 HFU22 |
 VFU22 |
Fuse Auxiliary Contact, Normally Closed |
 HFU1ST |
 VFU1ST |
Stiker |
 HFU1AC |
 VFU1AC |
With alarm contact |
 HFU1LS |
 VFU1LS |
With separate alarm contact |
 HFU2LS |
 VFU2LS |
1 Pole - Live Side |