ADR244B – Motor Protection Relay

ADR244A-Front-

Model Functional Details Cabinet Style
ADR244B (Basic Version) Motor Protection Relay CSE
ADR244B (Enhanced Version) Motor Protection Relay CSD
ADR244B (Modular Version) Motor Protection Relay CSK




ANSI Code Description
27/59 Under and over voltage Protection
32P Directional Power Protection
37 Under current Protection
46 Negative sequence Protection
47 Phase reversal / Negative 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
64G High Impedance Restricted Earth Fault Protection
50BF Breaker Failure
55 Power factor Protection
59N Residua over voltage Protection
49 Thermal overload Protection
50LR Locked rotor Protection
48 Prolong start Protection
66 Number of starts
81 Frequency Protection
86 Lockout (Trip command)