ADR211A – Communicable Single Pole OC/EF
General Description
The ADR211A is a single element communicable OC /EF (the setting rang cove both phase / EF requirement) relay with Instantaneous high set.
[table id=21 /]
[table id=21 /]
Numerical Single Pole OC/EF Protection Relay : ADR211A
Specifications
-
Back – lit LCD display for settings.
- Display of fault current / Load current.
- Selection of Curve: Six selectable curves (Normal Inverse 1 (C1), Normal Inverse 2 (C2), Very Inverse (C3), Extremely Inverse (C4), Long Time Inverse (C5) & Definite Time (C6).
- Design using DSP technology.
- Latching of fault current up-to last 5 fault.
- Site selectable CT secondary.
- Relay can be made either IDMT or Define time.
- Programmable operating time in instantaneous element.
- Breaker Fail Function.
- Suitable For REF Protection.
- SCADA Compatibility (RS232 and RS485 Communication For model ADR211A).