| 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 |
 HFU1SAC |
 VFU1SAC |
With separate alarm contact |
 HFU1LS |
 VFU1LS |
1 Pole - Live Side |
 HFU1F11 |
 VFU1F11 |
1 Phase Fuse |
 HFU1F15 |
 VFU1F15 |
Fuse with Incandescent Light Indication |
 HFU1F16 |
 VFU1F16 |
Fuse with LED Indication |
 HFU1NLC |
 VFU1NLC |
Neutral Link - Closed |
 HFU1NLO |
 VFU1NLO |
Neutral Link - Open |