ABB | SACE Emax 2
Accessories | 2 - Wiring diagrams
173 | © 2017 ABB | 1SDH001330R0002 - ECN000058721 Rev. A
Continued from the previous page
Symbol
Description
*
See the note indicated by the letter
A1
Applications located on the mobile part of the circuit-breaker
A3
Applications located on the fixed part of the circuit-breaker
A4
Indicative device and connections for control and signalling, outside the
circuit-breaker
BUS1
Serial interface with external bus
D
Electronic time-lag device of YU undervoltage coil, outside the circuit-breaker
F1
Time-delayed trip fuse
GZi(DBi)
Zone Selectivity input for G protection or input in “reverse” direction for D protection
GZo(DBo)
Zone Selectivity output for G protection or output in “reverse” direction for D
protection
I 01…32
Up to 10 programmable digital inputs of the Ekip trip unit
K51
Overcurrent protection solid-state trip unit
K51 / COM
Communication module
K51 / MEAS
Measurement module
K51 / SIGN
Signalling module
K51 / SUPPLY
Optional auxiliary power supply module (24-48Vdc and 110-220Vac / dc)
K51 / SYNC
Synchronization module
K51 / YC
Closing control from the Ekip protection trip unit
K51 / YO
Opening control from the Ekip protection trip unit
M
Motor for loading closing springs
O 01...32
Up to 10 programmable digital inputs of the Ekip trip unit
O SC
Contact for synchronism control
Q
Circuit-breaker
Q / 1...Q / 27
Auxiliary open/closed contacts of the circuit-breaker
Rc
Rc Toroid
RTC EKIP
Auxiliary ready to close contact of the circuit-breaker, used internally by the trip unit
RTC
Contact for signalling circuit-breaker is ready to close
S33M / 1…2
Limit contacts of spring loading motor
S43
Switch for setting remote/local control
S51
Trip signalling contact
S75E / 1…4
Contacts for signalling circuit-breaker in disconnected position
(only with withdrawable circuit-breakers)
S75I / 1…5
Contacts for signalling circuit-breaker in connected position
(only with withdrawable circuit-breakers)
S75T / 1…2
Contacts for signalling circuit-breaker in test position
(only with withdrawable circuit-breakers)
SC
Pushbutton or contact for closing the circuit-breaker
SO
Pushbutton or contact for immediate opening of the circuit-breaker
SO1
Pushbutton or contact for opening the circuit-breaker with time-delayed trip
SR
Pushbutton or contact for electrical resetting of S51 trip contact
SZi(DFi)
Input for Zone Selectivity for S protection or input in “direct” direction for D
protection
SZo(DFo)
Output for Zone Selectivity for S protection or output in “direct” direction for D
protection
TI / L1
Current transformer phase L1
TI / L2
Current transformer phase L2
TI / L3
Current transformer phase L3
TI / N
Current transformer on neutral
TU1…TU2
Insulation voltage transformer (outside circuit-breaker)
Uaux
Auxiliary supply voltage
UI / L1
Current sensor phase L1
Continued on the next page
Summary of Contents for SACE Emax E1.2
Page 2: ...ABB SACE Emax 2 2 2017 ABB 1SDH001330R0002 ECN000058721 Rev A ...
Page 8: ...VI 2017 ABB SACE Emax 2 1SDH001330R0002 ECN000058721 Rev A ...
Page 9: ...ABB SACE Emax 2 3 2017 ABB 1SDH001330R0002 ECN000058721 Rev A ...
Page 310: ...ABB SACE Emax 2 304 2017 ABB 1SDH001330R0002 ECN000058721 Rev A Service 1 Power Care ...