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Control for connection of moving equipment site equipment, agricultural equipent refrigerated trucks.
Control for protection of persons and equipment against the consequences of reverse running.
Normal emergency power supply switching.
Protection against the risk of a driving load phase failure.
Controls its own supply voltage True RMS measurement.
Set 8 level rated operating voltage through knob.
Measuring frequency range 45Hz 65Hz.
Voltage measurement accuracy <1%.
Relay status is indicated by LED.
| Function code | Over-voltage | Under-voltage | Asymmetry | Delay time | Phase sequence | Phase failure |
| 3 | ● | ● | ||||
| 4 | 2%...20% | -20%...2% | 0.1s...10s | ● | ● | |
| 5 | 2%...20% | -20%...2% | 8% | 0.1s...10s | ● | ● |
| 6 | 2%...20% | -20%...2% | 5%...15% | 2s | ● | ● |
| 7 | 5%..15% | 0.1s...10s | ● | ● | ||
| 8 | 15% | -15% | 8% | 2s | ● | ● |
Note:● the function is available
| Technical parameters | M460 | M265 |
| Function | Monitoring 3-phase voltage | |
| Minitoring terminals | L1-L2-L3 | L1-L2-L3-N |
| Supply terminals | L1-L2 | L1-N |
| Voltage range | 220-230-240-380-400-415-460(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 Unselected Min=165V | 70% of Unselected |
| 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 scale value | |
| Supply indication | green LED | |
| Output indication | red LED | |
| Reset time | 1000ms | |
| Output | 1×S PDT | |
| 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 | 1.00E+07 | |
| Electrical life(AC1) | 1.00E+05 | |
| 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) | solid wire max.1×2.5 or 2×1.5/with sleeve max.12.5(A WG 12) | |
| Tightening torque | 0.8Nm | |
| Dimensions | 90×186×4mm | |
| Weight | 61g-66g | |
| Standards | EN60255-1,IEC60947-5-1 | |
