AIR CIRCUIT BREAKER & MCCB.ppt

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This document provides an overview of air circuit breakers (ACBs) and molded case circuit breakers (MCCBs). It describes the main components and functions of ACBs, including the main contacts, auxiliary contacts, and mechanisms used for tripping and racking in the breaker. Examples are given of high voltage ACBs, motorized control ACBs, and signs of a burnt ACB. MCCBs are also introduced, with examples of MCCBs installed in main switchboards along with current transformers. The document aims to educate on electrical circuit breaker types, components, and operating mechanisms.

AIR CIRCUIT BREAKER & MCCB
Oleh:
RAIS BIN MA’AT
Ketua Program Kejuruteraan Elektrik
Institut Latihan dan Pembangunan Infrastruktur Ikram
(ITiDi)
KUMPULAN IKRAM SDN BHD

6/4/2023 KISB 7
ACB
COMPARTMENT
AFTER THE
ACB HAS BEEN
DRAWN OUT

6/4/2023 KISB 19
TRIP
THE
ACB
USING
PUSH
BUTTON

6/4/2023 KISB 20
CHECK
THE ARC
CHUTE
AND CLEAN
USING
VACUUM
CLEANER

6/4/2023 KISB 34
PUSH HARD
UNTIL
ACB IS
FULLY
INSERTED

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AIR CIRCUIT BREAKER & MCCB.ppt

1. AIR CIRCUIT BREAKER & MCCB Oleh: RAIS BIN MA’AT Ketua Program Kejuruteraan Elektrik Institut Latihan dan Pembangunan Infrastruktur Ikram (ITiDi) KUMPULAN IKRAM SDN BHD

2. PEMUTUS LITAR UDARA (ACB)

3. ACB (Air Circuit Breaker)

4. 6/4/2023 KISB 4 HIGH VOLTAGE ACB

5. BACK OF AN ACB

6. 6/4/2023 KISB 6

7. 6/4/2023 KISB 7 ACB COMPARTMENT AFTER THE ACB HAS BEEN DRAWN OUT

8. 6/4/2023 KISB 8

9. 6/4/2023 KISB 9 ACB POSITIONS

10. 6/4/2023 KISB 10

11. CROSS SECTION

12. ACB COMPONENTS

13. ACB COMPONENTS