ABB SSC-T Instruction Leaflet Download | Manualshive

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Summary of Contents for SSC-T

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Page 2: ... and Q2 are normally conducting and the telephone relay is pulled in As soon as the input voltage drops below the setting the transistor Q2 is turned off and the telephone relay is released 4 0 CHARACTERISTICS 4 1 OVERCURRENT RELAY SSC T 4 2 OVER UNDERVOLTAGE RELAY SSV T 4 3 TRIP CIRCUIT The main contacts will safely close 30 amperes at 250 volts dc and the seal in contacts of the indicating conta...

Page 3: ...tion between the relay case its mounting screws and the relay panel Ground Wires are affixed to the mount ing screws as required for poorly grounded or insulat ing panels Other electrical connections may be made directly to the terminals by means of screws for steel panel mounting For detail information on the FT case refer to Instruc tion Leaflet 41 076 7 0 ADJUSTMENT AND MAINTENANCE The proper a...

Page 4: ...hrough the trip circuit to close the contacts of the ICS This value of current should not be greater than the particular ICS tap setting being used The operation indicator target should drop freely For proper contact adjustment insert a 030 feeler gauge between the core pin and the armature Hold the armature closed against the core pin and gauge and adjust the stationary contacts such that they ju...

Page 5: ...SSV T and SSC T High Drop out Relay 41 766 7 5 Sub 2 3517A80 Sub 7 775B589 Figure 3 Block Diagram of the Type SSC T Relay Double Trip Figure 4 Internal Schematic of the Type SSV T Relay ...

Page 6: ...41 766 7 SSV T and SSC T High Drop out Relay 6 Sub 4 775B590 Figure 5 Internal Schematic of the Type SSC T Relay Sub 3 775B758 Figure 6 Internal Schematic of the Type SSC T Relay Double Trip ...

Page 7: ...ocation on SSV T Module Figure 8 Component Location on SSC T Module Sub 2 3516A17 Sub 1 3516A18 Figure 9 Typical Operating and Reset Time Curves of the Type SSV T Relay Figure 10 Typical Operating and Reset Time Curves of the Type SSC T Relay Sub 1 619607 Sub 1 619506 ...

Page 8: ... 766 7 SSV T and SSC T High Drop out Relay 8 Sub 1 619604 Figure 11 Typical Frequency Response Curve of the Type SSV T Relay Sub 1 619605 Figure 12 Typical Frequency Response Curve of the Type SSC T Relay ...

Page 9: ...SSV T and SSC T High Drop out Relay 41 766 7 9 Sub 1 619567 Figure 13 Typical Dropout Ratio Curve for the SSV T Relay TYPICAL DROPOUT RATIO CURVE FOR THE SSV T RELAY ...

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Page 11: ...SSV T and SSC T High Drop out Relay 41 766 7 11 THIS SPACE RESERVED FOR NOTES ...

Page 12: ...ABB Inc 4300 Coral Ridge Drive Coral Springs Florida 33065 Telephone 1 954 752 6700 Fax 1 954 345 5329 www abb com substation automation IL 41 766 7 Revision November 1999 ABB ...

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