ADR111A – Non Communicable Single Pole OC/EF
General Description
The ADR111A is a single element OC /EF (the setting rang cove both phase / EF requirement) relay with Instantaneous high set.
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Numerical Single Pole OC/EF Protection Relay : ADR111A
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.