| Certification: | CE |
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| Protection: | Shock Resistance |
| Installation: | Vertical |
| Housing: | Fibre Glass |
| Accuracy: | 0.5grade |
| Interface: | RS485 |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier ALP series intelligent low-voltage line protectors are suitable for low-voltage systems with rated voltages up to AC 400V, rated currents up to AC 6300A, and rated frequencies of 50/60Hz. The product integrates protection, measurement, control, and bus communication. It also provides functions such as remote automatic control, on-site direct control, panel instructions, signal alarms, operation records, trip alarm records, and switch value records.
As a new intelligent integrated device for the protection, monitoring and control of low-voltage feeder terminals, the product is suitable for coal mines, petrochemicals, smelting, electric power, ships, and civil buildings.
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| ALP200 Embedded installation | ALP220 Embedded installation | ALP320 Din-rail installation |
| Protect Rated Current | Adjustable current range(A) | |
| 1 | 1-6300(Variable ratio can be set) | |
| 5 | 1-6300(Variable ratio can be set) | |
| 25 | 6-25 | |
| 100 | 20-100 | |
| 160 | 80-160 | |
| 400 | 140-400 | |
| Optional Function | Code | |
| Residual Current(Leakage Current) | L | |
| 4-20mA Analog | M | |
| Technical Parameter | ALP200, ALP220, ALP320 | |
| Accuracy | Current: 0.5grade; Voltage: 1grade | |
| Auxiliary Power | AC 85V~265V/DC 110V~350 Consumption 7VA | |
| Measure Rated Voltage | AC220V / 380V,50Hz / 60Hz | |
| Protector Rated Current | 1 (1A-6300A) | Use small dedicated current transformer detection module |
| 5 (1A-6300A) | ||
| 25(6A-25A) | ||
| 100(20A-100A) | Use external current transformer detection module | |
| 160(80A-160A) | ||
| 400(140A-400A) | ||
| Relay output contact capacity | Resistive load | ALP200,ALP220: 1 channel(95.96.97):AC:250V 3A;DC:30V 3 channels:AC:250V 5A;DC:30V 5A ALP320:5channels, Relay Output AC:250V 8A |
| Enviroment | Working Temperature | -10ºC~55ºC |
| Storage Temperature | -25ºC~70ºC | |
| Relative Humidity | ≤95% No condensation, no corrosive gas | |
| Altitude | ≤2000m | |
| Pollution Level | 3 grade | |
| Protection Level | ALP200:IP20 ALP220:IP20 ALP320:Main body IP20, Display model IP54(When installed on the cabinet panel) |
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| Function | ALP200 | ALP220 | ALP320 | ALP220-PT |
| Application occasions | 0.4KV Feeder | 0.4KV Feeder | 0.4KV Feeder | 0.4KV PT |
| Switch value acquisition | 5 | 5 | 9 | 5 |
| Relay output | 4 | 4 | 5 | 4 |
| Measure | I | U, I, P, PF, F, KWH | U, MAXu, Uo, F, εμ | |
| Inverse time overcurrent protection | YES | YES | YES | |
| Low definite time overcurrent protection | YES | YES | YES | |
| High definite time overcurrent protection | YES | YES | YES | |
| Low definite zero sequence protection | YES | YES | YES | |
| High definite zero sequence protection | YES | YES | YES | |
| Inverse time zero sequence protection | YES | YES | YES | |
| Phase failure protection | YES | YES | YES | |
| Unbalance protection | YES | YES | YES | |
| Current demand protection | YES | YES | YES | |
| Linkage 1 protection | YES | YES | YES | YES |
| Linkage 2 protection | YES | YES | YES | YES |
| Linkage 3 protection | YES | YES | YES | YES |
| Undervoltage protection | YES | YES | ||
| Overvoltage protection | YES | YES | YES | |
| Residual current protection | Optional | Optional | Optional | |
| Low voltage one-stage protection | YES | |||
| Low voltage two-stage protection | YES | |||
| Low voltage three-stage protection | YES | |||
| Zero sequence overvoltage protection | YES | |||
| Voltage unbalance protection | YES | |||
| PT disconnection protection | YES | |||
| Trolley position protection | YES | |||
| Communication Modbus-RTU | YES | YES | YES | YES |
| One 4-20mA analog output | YES | YES | YES | YES |
| 8 fault records | YES | YES | YES | |
| 8 opening records | YES | YES | YES | |
| 8 closing records | YES | YES | YES | |
| 8 DI action records | YES | YES | YES | |
| Protection query | YES | YES | YES | YES |
| Protection setting | YES | YES | YES | YES |
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