ADR239B – Line Protection Relay

ADR239B_2-Line Protection Relay

Model Functional Details Cabinet Style
ADR239B Line Protection Relay CSK


ANSI Code Description
21 Phase Impedance Protection
21N Ground Voltage Protection
27 Under Voltage Protection
46 Negative Phase Sequence Protection
46BC Broken Conductor Detection
47 Negative Phase Sequence Over Voltage Protection
50 Instantaneous/Definite Time Phase Over current Protection
51 Inverse Time Phase Over current Protection
50N Instantaneous/Definite Time Ground Over current Protection
51N Inverse Time Ground Over current Protection
59 Over Voltage Protection
59N Residual Over Voltage Protection
FLC Fault locator
67P Directional Phase Over current Protection
67N Directional Ground Over current Protection
68 Out of Step Protection
50BF Breaker Failure
VTS VT Supervision Detection
CTS CT Supervision Detection
79 Auto reclosing
86 Lockout (Trip command)