| Functions and Options | Type/Suffix |
|---|---|
| Terminal for external Reset | YR |
| Terminal for external Reset, no reset knob on the front panel | YRE |
| Terminal for outgoing reset signal | RS |
| Terminal for external Test | YT |
| Terminal for external Test, no test knob on the front panel | YTE |
| Blocked test and reset at active alarm signal | SR |
| Test function without activation of alarm relay | TL |
| Automatic reset of output relay when alarm signal disappears | AR |
| Protection hubs for LEDīs | BA |
| Housing for Alarm or Indicator Units, 125x125x125 mm, ABS-plastic | KL |
| Uninterruptible Power Supply | UPS |
| Alarm relay, normally closed, opens at failure | VS |
| Protection against splashing water, IP54 | SU |
| Internal transformer for 110 or 230 VAC, 50-60 Hz power supply | N |
| Adapter for 48 - 60 VDC power supply | LS6 |
| Adapter for 110 VDC power supply | LS10 |
| Embedded adapter for 48 - 110 VDC power supply | L |
| Embedded adapter for 110 or 230 VDC power supply | MA |
| Potential free relay output for each channel for signal to PC, closing | CR |
| Potential free relay output for each channel for signal to PC, breaking | CRB |
| Potential free solid state output for each channel for signal to PC | CS |
| Unit for alarm time delay- one channel, 1 to 35 sec | TK3 |