Peak Overload:< 1 ms
| Technical parameters | AD240 | A220 | AD48 | D12 |
| Function | overvoltage, undervoltage of Monitoring 1-phase voltage | |||
| Monitoring terminals | A1-A2 | |||
| Voltage range | ACDC48V-276V | AC160V-276V | ACDC15V-100V | DC6V-30V |
| Rated supply frequency | ACDC | 45Hz-65Hz | ACDC | DC |
| Measuring range | 65V-260V | 180V-260V | 20V-80V | 9V-15V |
| Threshold adjustment voltage | Adjustable | |||
| Max.Permanent: | 276V | 276V | 100V | 30V |
| Hysteresis | Adjustable | |||
| Peak Overload:< 1 ms | 290 V | 50 V | 290 V | 36V |
| Time delay | Adjustable 0.1s-10s,10% | |||
| Measurement error | ≤1% | |||
| Run up delay at power-up | 0.5s time delay | |||
| Konb setting accuracy | 10% of the scale value | |||
| Reset time | 1000ms | |||
| Output | SPDT | |||
| Current rating | 10A/AC1 | |||
| Switching voltage | 250VAC/24VDC | |||
| Min. breaking capacity DC | 500mW | |||
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉,at=68℉) | |||
| Mechanical life | 1×10^7 | |||
| Electrical life(AC1) | 1×10^5 | |||
| Operating temperature | -20℃ to +55℃(-4℉ to 131℉) | |||
| Storage temperature | -35℃ to +75℃(-22℉ to 158℉) | |||
| Mounting/DIN rail | Din rail EN/IEC 60715 | |||
| Protection degree | IP40 for front panel/IP20 terminals | |||
| Operating position | any | |||
| Overvoltage category | III | |||
| Pollution degree | 2 | |||
| Max.cable size(mm 2) | solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12) | |||
| Tightening torque | 0.5Nm | |||
| Dimensions | 90×18×70mm | |||
| Weight | 61g-66g | |||
| Standards | EN61812-1,IEC60947-5-1 | |||