ABB CP Series Instruction Leaflet Download

Page: 10 / 12

41-222.2J

Type CP Reverse Phase Relay

Fig. 13.

Relay Type CP Reverse Phase, 3 Phase, 3 or 4, S.P.D.T. with A.C.S. in Low
Voltage Circuit and with A.C. Independent Voltage Switch in Type FT-11
Case.

Sub 3
879A900

Summary of Contents for CP Series

Page 1: ......

Page 2: ...41 222 2J Type CP Reverse Phase Relay 2 Sub 5 184A202 Fig 2 Internal Schematic of the Type CP Relay with Independent Contacts in the Type FT 11 Case Fig 1 Type CP Relay Without Case ...

Page 3: ...able high and low voltage contacts which can be set around the periph ery of a scale The ranges of adjustment of the con tacts are as follows 120 volt relay 70 to 120 volts 240 volt relay 140 to 240 volts 480 volt relay 280 to 480 volts 208 volt relay 120 to 220 volts If either of the adjustable contacts are set for a value of voltage within these ranges the relay will just close its contacts when...

Page 4: ... connections may be made directly to the terminals by means of screws for steel panel mounting or to the terminal stud furnished with the relay for thick panel mounting The terminal stud may be easily removed or inserted by locking two nuts on the stud and then turning the proper nut with a wrench For detail information on the FT case refer to Instruc tion Leaflet 41 076 5 0 SETTINGS There are two...

Page 5: ...ts to insure correct operation of this relay have been made at the factory Upon receipt of the relay no adjustments other than those covered under Settings should be required ACCEPTANCE CHECK The following check is recommended to insure that the relay is in proper working order A CP UNIT 1 Contacts Set the left hand adjustable contact in the center of the scale and adjust the voltage until the mov...

Page 6: ...drop freely 6 1 ROUTINE MAINTENANCE All relays should be inspected periodically and the time of operation should be checked at least once every year or at such other time intervals as may be dictated by experience to be suitable to the particular application All contacts should be periodically cleaned A contact burnishes S 182A836HO1 is recommended for this purpose The use of abrasive material for...

Page 7: ...For the 240 volt relay multiply these values by two Similarly for the 480 volt relay multiply these values by four For the 208 volt relay set the high voltage contact on 170 volts and the low voltage contact on 120 volts Apply rated voltage and frequency to the relay to allow the high voltage contact to make Suddenly drop the voltage to zero and adjust the permanent magnet gap until the relay oper...

Page 8: ...ve Phase 3 Phase 3 or 4 Wire S P D T with ac Independent Voltage Switch in Type FT 11 Case Fig 11 Relay Type CP Reserve Phase 3 Phase 3 or 4 Wire S P D T Contacts with Indicating ac Contactor Switch in Low Voltage Circuit in Type FT 11 Case Sub 1 184A469 Sub 1 184A836 ...

Page 9: ...Type CP Reverse Phase Relay 41 222 2J 9 Fig 12 External Schematic Diagram of the Type CP Relay in the Type FT 11 Case Sub 1 184A200 ...

Page 10: ... 222 2J Type CP Reverse Phase Relay 10 Fig 13 Relay Type CP Reverse Phase 3 Phase 3 or 4 S P D T with A C S in Low Voltage Circuit and with A C Independent Voltage Switch in Type FT 11 Case Sub 3 879A900 ...

Page 11: ......

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 41 222 2 Revision J ABB ...

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ABB CP Series, Instruction Leaflet

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