● A complete set of protection, related to the application; ● 4 current input, 3 voltage input, 8DI, 5DO; ● Auxiliary power supply adapts with AC220V, DC220V, DC110V, AC110V, DC48V, DC24V; ● 1 RS485 serial communication, IEC60870-5-103 and Modbus-RTU; ● More than 200 sequence of event records, more than 400 system logs, and more than 10 seconds tripping context records; ● Powerful graphic programmable Logic.
AM2SE protection relay has the modular design and it can be optimized to feeder protection applications in medium voltage distribution systems. The relay is widely used in substations, hospitals, schools, commercial plazas, large buildings and so on.
Industrial-grade components with professional EMC design. High-performance processor with large capacity RAM and Flash for advanced data processing.
| Model | AM2SE |
| Power Supply | |
| Rated voltage | AC/DC 110V or AC/DC 220V or DC48V or DC24V |
| Range | Rated voltage × (1±20%) |
| Burden | ≤10W ( DC ) |
| PT Inputs | |
| Rated value | AC 100V or 100/√V |
| PT rated secondary range | 1V～120V |
| Accuracy | 0.5S |
| Burden | ≤0.5VA (each phase) |
| Voltage withstand | Continuous: 1.2 Un10s: 2 Un |
| Phase CT Inputs(Protection Current) | |
| CT rated secondary range | AC 5A or 1A |
| Dynamic | 0.04 ~ 15 × CT rated current |
| Accuracy | 0.5S |
| Burden | ≤0.5VA (each phase) |
| Thermal withstand | Continuous: 2 In1s: 40 In |
| Frequency | |
| Rated frequency | 50Hz or 60Hz |
| Frequency range | 45 ~ 65Hz |
| Accuracy | ±0.1Hz |
| Digital Inputs | |
| Operating nominal voltage | AC/DC 110V or AC/DC 220Vor DC48V or DC24V |
| Voltage threshold | 70% of nominal voltage |
| Reset threshold | 55% of nominal voltage |
| Burden | ≤ 1W (each phase) (DC220V) |
| Digital Outputs | |
| Make and carry | ≥ 10000 operations |
| Making capacity | ≥ 1000W, L / R = 40ms |
| Continuous current | ≥ 5A |
| Short duration carry current | ≥ 30A for 200ms |
| Breaking capacity | ≥ 30W, L/R = 40ms |
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