The
ADR211A is a single element communicable OC /EF (the
setting rang cove both phase / EF requirement) relay
with Instantaneous high set.
ANSI
Protection
Functions
50/50N
Instantaneous
Protection (OC/ EF-Inst.)
51/51N
Time Over
current Protection (OC/ EF-IDMT.)
*
64N
Restricted
Earth Fault.
* The Relay can be use ether phase
or EF or REF.
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).
Model
Functional Details
Cabinet
Style
ADR211A-AM10101
Communicable
Numerical Over current / Earth fault Relay with
10% to 250% setting.
