| Item | DC-input models | AC-input models |
|---|---|---|
| Rated supply voltage | 12 to 24 VDC | 100 to 240 VAC (50/60 Hz) |
| Operating voltage range | 9.6 to 26.4 VDC | 75 to 264 VAC (50/60 Hz) |
| Rated input current
(impedance) |
15 mA max. (at 12 to 24 VDC) | 36 kΩ ±20% (100 to 240 VAC) |
| Must operate voltage | 9.6 VDC max. | 75 VAC max. |
| Must release voltage | 3.6 VDC min. | 20 VAC min. |