product
Measures 2nd–11th harmonics; 2nd harmonic blocking for overcurrent protection
Independent operation circuit, adaptable to 0.25–5A trip/close currents
Two 4–20mA DC analog outputs, programmable via logic software
Ten configurable passive outputs, twenty active inputs
USB port for firmware upgrade, export of settings, events, fault records
Supports Modbus, IEC 60870-5-103, IEC 60870-5-101 protocols
The AM5SE series protection and control relay integrates protection, control, measurement, communication, and monitoring functions. Featuring rich resources, complete configurations, convenient maintenance, and stable performance, it is suitable for the protection and control of power systems with voltage levels of 35kV and below. It enables protection for incoming lines, main transformers, distribution transformers, motors, capacitors, bus ties, PTs (potential transformers), and more. Its application fields cover power, water conservancy, transportation, petroleum, chemical, coal, metallurgy, and other industries.
| CharacteristicsVersion | AM5SE-F,AM5SE-T,AM5SE-M,AM5SE-C,AM5SE-B,AM5SE-D2,AM5SE-D3,AM5SE-TB,AM5SE-MD | AM5SE-UB, AM5SE-IS, AM5SE-FE, AM5SE-FA,AM5SE-K |
| Power Supply | ||
| Rated voltage | AC/DC 110V or AC/DC 220V | |
| Range | Rated voltage × (1±20%) | |
| Burden | ≤15 VA | |
| PT Inputs | ||
| Rated value | AC 100V or 100/√3V | AC 380V or 220V |
| PT rated secondary range | 0.1V～120V | 0.1V ~ 456V |
| 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 | 20 × CT rated current | |
| Accuracy | 0.5S | |
| Burden | ≤0.5VA (each phase) | |
| Thermal withstand | Continuous: 2 In1s: 40 In | |
| Phase CT Inputs (Measurement Current) | ||
| CT rated secondary range | AC 5A or 1A | |
| Dynamic | 1.5 × CT rated current | |
| Accuracy | 0.5S | |
| Burden | ≤0.5VA (each phase) | |
| Thermal withstand | Continuous: 1.5 In1s: 4 In | |
| Frequency | ||
| Rated frequency | 50Hz or 60Hz | |
| Frequency range | 40 ~ 70Hz | |
| Accuracy | ±0.1Hz | |
| Digital Inputs | ||
| Operating nominal voltage | AC/DC 110V or AC/DC 220V | |
| 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 | |
Acrel is a high-tech enterprise focusing on research, production, sales and service. We mainly provide users with system solutions for energy efficiency management and electrical safety.
