| Horizontal Symbol | Vertical Symbol | Description |
 HTD1N |
 VTD1N |
ON Delay Coil |
 HTD1NT |
 VTD1NT |
ON Delay Coil with Pins |
 HTD1NM |
ON Delay Starter | |
 HTD21N |
 VTD21N |
ON Delay Normally Open - TC |
 HTD22N |
 VTD22N |
ON Delay Normally Closed - TO |
 HTD21NT |
 VTD21NT |
ON Delay Normally Open - TC with Pins |
 HTD22NT |
 VTD22NT |
ON Delay Normally Closed - TO with Pins |
 HTD21I |
 VTD21I |
Instantaneous Normally Open |
 HTD22I |
 VTD22I |
Instantaneous Normally Closed |
 HTD21IT |
 VTD21IT |
Instantaneous Normally Open with Pins |
 HTD22IT |
 VTD22IT |
Instantaneous Normally Closed with Pins |