SEF* to> + 0.09s s * Only calculate highset, instantaneous or SEF settings if used. Operation - Secondary Injection Test Connect timer circuit to auxiliary contacts 64 and 65 (contact closed when CB () open) Overcurrent Test Calculated Calculated Actual Operating Times Setting Injection Current Operating Time C11 - C31 C31 - C51 C51 - C11 (from table A) (from table B) 2x A s s s s 5x A s s s s Instantaneous A s s s s Earth Fault Test Calculated Calculated Actual Operating Setting Injection Current Operating Time C11 - C70 C31 - C70 C51 - C70 (from table A) (from table B) 2x A s s s s 5x A s s s s Instantaneous A s s s s SEF* A s s s s * The trip current may have to be increased to operate the circuit breaker if the current is below the minimum operating current. Shunt Trip and Emergency Trip (if fitted) Check correct shunt trip coil voltage is selected () Test Coil Test CB Voltage Apply 70% (dc) or 85% (ac) of coil rated voltage 20-48V 47 - V () DC 48 110-240V 47 - V () AC/DC 49 110% Voltage of coil rated voltage 20-48V 47 - V () DC 48 110-240V 47 - V () AC/DC 49 Check emergency trip button operates circuit-breaker () Final Checks () Check correct CT and interposing CT ratios selected Check correct ratio labels have been fitted
SEF* to> + 0.09s s * Only calculate highset, instantaneous or SEF settings if used. Operation - Secondary Injection Test Connect timer circuit to auxiliary contacts 64 and 65 (contact closed when CB open) () Overcurrent Test Setting Calculated Injection Current (from table A) Calculated Operating Time (from table B) Actual Operating Times C11 - C31 C31 - C51 C51 - C11 2x A s s s s 5x A s s s s Instantaneous A s s s s Earth Fault Test Setting Calculated Injection Current (from table A) Calculated Operating Time (from table B) Actual Operating C11 - C70 C31 - C70 C51 - C70 2x A s s s s 5x A s s s s Instantaneous A s s s s SEF* A s s s s * The trip current may have to be increased to operate the circuit breaker if the current is below the minimum operating current. Shunt Trip and Emergency Trip (if fitted) Check correct shunt trip coil voltage is selected () Test Coil Test Voltage CB Apply 70% (dc) or 85% (ac) of coil rated voltage 20-48V DC 47 - 48 V () 110-240V AC/DC 47 - 49 V () 110% Voltage of coil rated voltage 20-48V DC 47 - 48 V () 110-240V AC/DC 47 - 49 V () Check emergency trip button operates circuit-breaker () Final Checks () Check correct CT and interposing CT ratios selected Check correct ratio labels have been fitted
ECP+11-0512c+Schneider+RN2%2C+RN6%2C+RN2c+and+RN6c+with+Vip+300+Test+Form.docx