Schneider Electric – EMS59201 (Easergy SC150 CT‑LPVT/VT) – MV Switch Controller

The Schneider Electric EMS59201 (Easergy SC150 CT‑LPVT/VT) is a medium-voltage switch controller designed for precision fault-current detection and substation automation. Featuring clip‑in DIN-rail mounting and dual-voltage sensor compatibility, it offers robust protection, data logging, and IEC 60870-5-104 communications—all in a compact industrial-grade package.

Key Features:

• Model: EMS59201 (Easergy SC150 CT‑LPVT/VT)  

• Brand: Schneider Electric (PowerLogic / Easergy series)  

• Function: Medium-voltage fault-current switch controller (1 A/5 A CT)  

• Voltage Inputs:

  • LPVT: 0–10 VAC

  • VT: 47–240 VAC  

• Sensor Support: 1 A or 5 A current transformer inputs, accuracy class 0.5  

• Digital I/O: 8 digital inputs (IEC 61131‑2 Type 3); 2 relay outputs (8 A continuous)  

• Communications: Dual Ethernet RJ45 ports + IEC 60870‑5‑104 protocol support  

• Power Supply: 12–48 V DC, 2 VA nominal  

• Protection Functions: overcurrent (ANSI 50/51), earth fault (50N/51N), directional protection (67/67N), undervoltage/overvoltage (27, 59), negative sequence (47), and undercurrent (37)  

• Data Logging: Voltage/current waveforms, event logs, harmonics, and sag/swell monitoring  

• Dimensions & Mounting: 140 × 45 × 140 mm; 0.515 kg; clip-on DIN-rail  

• Environmental: –40 °C to +70 °C operating; –40 °C to +85 °C storage; ruggedized EMC/shock compliant