Our Products › Motor Protection Relays
EOCR DS – MCU Based Solid State Protection Relay Concord EOCR · Motor Protection
A microcontroller-based motor protection relay with three integral current transformers, independently adjustable D-Time and O-Time, and run monitoring with fault diagnosis through two LEDs. Adds phase-reversal protection to overcurrent, phase loss and locked rotor.
Current setting – Type 05 0.5–6 A Current setting – Type 30 3–30 A Current setting – Type 60 10–60 A 100 A and above With external CT Start delay (D-Time) 0.2–30 s Trip time (O-Time) 0.2–10 s
All specifications (13) Current setting – Type 05 0.5–6 A Current setting – Type 30 3–30 A Current setting – Type 60 10–60 A 100 A and above With external CT Start delay (D-Time) 0.2–30 s Trip time (O-Time) 0.2–10 s Control voltage 180–260 V AC Contact mode 1 SPDT (1C) Contact rating 3 A, 250 V AC Contact status Normally energised Time-current characteristic Definite (inverse available on request) Trip indication 2 LEDs with fault diagnosis Mounting 35 mm DIN rail / base
Features 3 integral current transformers Independently adjustable D-Time and O-Time Independent mounting Run monitor and fault diagnosis with 2 LEDs Highly accurate protection for phase loss and locked rotor Space-efficient, micro-compact design Protection Functions Protected item Operation time Overcurrent O-Time Phase loss Within 4 s Locked rotor Within D-Time Phase reversal Within 0.1 s
Example Wiring Diagram & Time Trip Characteristic – Definite Example Wiring Diagram EOCR DS wiring diagram Time Trip Characteristic – Definite EOCR DS definite-time trip curve Dimensions (mm) EOCR DS dimensions
