
DRAWOUT - ADR241S - AM-521
Features:
- 4-element (3-phase + EF) overcurrent IDMT/DMT with instant trip, featuring a 16×2 backlit LCD for settings and current display in primary/secondary terms.
- Includes overcurrent, earth fault, cold load pickup, thermal overload, undercurrent, and inrush blocking with separate curve selection for phase and EF.
- Offers 11 selectable curves (Definite Time, IEC, IEEE, US standards), DSP-based design, and latching of up to 5 fault currents with timestamped disturbance recording for fault analysis.
- Programmable non-volatile settings, password protection, and dual setting groups; can operate as IDMT or Definite Time relay.
- Fully communicable via IEC 60870-5-103 protocol with optional IP54 compliance.
ANSI: 50/51 | 50N/51N | CLP | 37 | 49 | 68