Page 79 - Product-catalogue-v17

Moulded Case Circuit Breakers (MCCB)

COMPATIBILITY OF ACCESSORIES

POSITION OF INTERNAL ACCESSORIES FOR THE TMAX XT7
All internal accessories for the XT7 can be mounted at the same time without any restriction concerning their compatibility.
To guarantee proper operation of all accessories, please refer to the relevant tables (see previous pages).
1

AUE 4Q

SY
PLC S52
KLC
S51

READING INFORMATION
Glossary Description Glossary Description
AUE : Early auxiliary contacts Q : Contact signaling open/closed
SY : Contact signaling tripping S52 : Contact signaling YO/YU tripping
PLC : Padlock for circuit breaker YO : Shunt opening release
KLC : Keylock for circuit breaker YU : Undervoltage release
S51 : Contact signaling tripping due to trip unit

POSITION OF INTERNAL ACCESSORIES FOR THE TMAX XT7 M
All internal accessories for the XT7 M can be mounted at the same time without any restriction concerning their
compatibility. To guarantee proper operation of all accessories, please refer to the relevant tables (see previous pages).

Ekip RTC
RTC
4Q
YC
Ekip Com Act.
S51
KLC

YR

READING INFORMATION

Glossary Description Glossary Description
S33M/2 : Contact signaling loaded springs Q : Contact signaling open/closed
MOC : Mechanical operation counter YC : Closing release
M : Motor operator Ekip COM act. : Ekip COM actuator
S51 : Contact signaling tripping due to trip unit KLC : Keylock for circuit breaker
YR : Remote resetting YO : Shunt opening release
Ekip RTC : Ekip circuit breaker ready to close YU : Undervoltage release
signaling contact
RTC : Ready to close signaling contact

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