HomeProductsEnergy monitoring and protectionAM Series Medium Voltage Protection RelaysAM5SE Series Medium Voltage Protection Relays

AM5SE Series Medium Voltage Protection Relays

The AM5SE relay is modular in design and can be optimized for virtually all types of branch circuit protection applications in medium-voltage distribution systems. It can be optimized for line, transformer, distribution transformer, motor, capacitor, busbar, and PT protection applications in medium-voltage distribution systems.

  • 3 phase currents, 2 differential currents
  • 3 phase voltages, 1 differential voltage
  • 20 digital inputs, 10 digital outputs
  • 2 programmable 4–20 mA DC outputs
  • Trip and close circuit monitoring, adjustable to 0.25–5 A trip and close current.
  • 2 RS485 ports, 2 Ethernet ports
  • 1 IRIG/B port, 1 USB port for the AM5SE setting software
  • 1 RS232 port, powerful CPU supports Modbus-RTU/TCP, IEC 60870-5-103,101
  • Clear LCD display for alarms and events, programmable function keys and LEDs, programmable trigger output matrix
  • The relay has a sequence of event recordings and fault recordings.

Offer

Product info

Power supply:AC/DC220V or AC/DC110V or DC48V
Nominal voltage: AC 100V/100/√3V
Accuracy: ±0.5 %
Rated current: AC 5 A/1 A
Nominal frequency: 50 Hz or 60 Hz
Mechanical life: ≥10000 times
Switching capacity: ≥1000 W, L/R = 40 ms
Inrush current:continuous ≥ 5 A, short-term (200 ms) ≥ 30 A
Widely used in substations

Technical data

version 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
nominal voltage AC/DC 110 V or AC/DC 220 V
PT inputs
Nominal value AC 100V/100/√3V AC 380V or 220V
PT-rated secondary area 0.1V～120V 0.1V ~ 456V
accuracy 0.5S
Phase CT inputs (protective current)
CT nominal value secondary range AC 5 A or 1 A
Dynamic 20 × CT rated current
accuracy 0.5S
frequency
Nominal frequency 50Hz or 60Hz
Frequency range 40 ~ 70Hz
Environmental properties
Operating temperature: 10 °C ~ +55 °C; Humidity: 5 °C ~ 95 °C; Storage: -25 °C ~ +70 °C
Protection class: IP20 (local control panel)

Product display

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