MC – MOULDED CASE CIRCUIT BREAKERS UP TO 2000A

➣ Frame size

     Frame size is defined by MC1,MC2,MC3 or MC4:

     Frame MC1 : 20-160 A       B.C. 25 KA , 50 KA or 100 KA

     Frame MC2 : 160-300 A      B.C. 25 KA , 36KA ,50 KA or 150 KA

     Frame MC3 : 250-630 A      B.C. 50 KA or 150 KA

     Frame MC4 : 630-2000A      B.C. 50 KA or 85 KA

➣ Trip Release

•    Frame MC1 :   Thermomagnetic rlease.


•    Frame MC2 :   Thermomagnetic or Electronic rlease.


•    Frame MC3 :   Thermomagnetic or Electronic rlease.


•    Frame MC4 :   Electronic rlease.


Note: thermal and magnetic or electronic releases are adjustable.

➣ MCCB ACCESSORIES

AUXILIARY CONTACT

UNDERVOLTAGE RELEASE

SHUNT RELEASE

REMOTE OPERATOR(MOTOR)

ROTARY HANDLE

RESIDUAL CURRENT(RCD)
RELEASE RELAY

CORE-BALANCE TRANSFORMER

RESIDUAL CURRENT (RCD)RELEASE UP TO 250A

➣ MCCB - SYSTEM OVERVIEW

1. MC circuit breaker,MC.-PN, MC.-N Switch disconnector.
2. Terminal cover.
3. Terminal cover.
4. IPX2 Finger protection for cover.
5. IPX2 Finger protection for cover.
6. Tunnel terminal for Al cable.
7. Box terminal.
8. Control circuit terminal.
9. Plug-in and withdrawable unit.
10. Clip plate.
11. Reverse-side connection.
12. Spacer.
13. Standard auxiliary contact, Trip-indicating auxiliary contact.
16. Rotary operator with shaft support.
17. Extension shaft.
18. Door coupling rotary handle.
19. Rotary handle with rotary operator.
20. Type plate.
21. Insulating surround.
22. Remote operator23. Toggle-lever interlock device.
25. Communication module (DMI).
26. Data plug.
27. Profibus interface.
28. Voltage release or early-make auxiliary contact.
29. Time-delay unit for voltage release.


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