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EOCR SS – Analog Solid State Protection Relay Concord EOCR · Motor Protection
A micro-compact analog electronic overload relay from Concord that protects motors against overcurrent, phase loss and locked rotor. Simple dial settings for current, start delay (D-Time) and trip time (O-Time), with LED status indication and a universal 24–240 V AC/DC supply.
Current setting – Type 05 0.5–6 A Current setting – Type 30 3–30 A Current setting – Type 60 5–60 A Above 60 A 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 5–60 A Above 60 A With external CT Start delay (D-Time) 0.2–30 s Trip time (O-Time) 0.2–10 s Control voltage 24–240 V AC/DC Contact mode 2SPST Contact rating 3 A, 250 V AC Contact status Fail-safe / non-fail-safe, user selectable Time-current characteristic Definite Trip indication 2 LEDs Mounting 35 mm DIN rail / base
Features Space-efficient, micro-compact design Protection against overcurrent, phase loss and locked rotor (phase loss/locked rotor operate within D-Time + O-Time) Resistant to shock, vibration and dust Universal power supply for AC/DC (24–240 V) Operation status display and active current checking through LEDs Manual / electrical remote reset provision NVR (No Volt Release) function / fail-safe Low energy consumption and strong resistance to harsh environments Protection Functions Protected item Operation time Overcurrent O-Time Phase loss O-Time Locked rotor O-Time + D-Time
Operation Display EOCR SS LED operation display Dimensions (mm) & Example Wiring Diagram Dimensions (mm) EOCR SS dimensions Example Wiring Diagram EOCR SS wiring diagram
