Function Features
-Controls its own supply voltage(True RMS measurement).
-Set 8-level rated operating voltage through knob.
-Set the reset delay time through the knob.
-2 C/O output .
-Measuring frequency range:45Hz-65Hz.
-Voltage measurement accuracy<1%.
-Relay status is indicated by LED.
-2-MODULE,DIN rail mounting.
| Technical parameters | M460 | M265 |
| Function | Monitoring 3-phase voltage | |
| Monitoring terminals | L1-L2-L3 | L1-L2-L3-N |
| Supply terminals | L1-L2-L3 | L1-L2-L3-N |
| Voltage range | 220-230-240-380-400-415-440-460(P-P) | 127-132-138-220-230-240-254-265(P-N) |
| Rated supply frequency | 45Hz-65Hz | |
| Measuring range | 176V-552V | 101V-318V |
| Threshold adjustment voltage | 2%-20% of Unselected | |
| Adjustment of asymmetry threshold | 5%-15% | |
| Hysteresis | 2% | |
| Phase failure value | 70% of Un selected | 70% of Un selected |
| Time delay | Adjustable 0.1s-10s,10% | |
| Measurement error | ≤1% | |
| Run up delay at power up | Adjustable 0.1s-10s,10% | |
| Konb setting accuracy | 10% of scale value | |
| Supply indication | green LED | |
| Output indication | red LED | |
| Output | 2×SPDT | |
| Current rating | 8A/AC1 | |
| Switching voltage | 250VAC/24VDC | |
| Min. breaking capacity DC | 500mW | |
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉，at=68℉) | |
| Mechanical life | 1×107 | |
| Electrical life(AC1) | 1×105 | |
