COMNATWGAANHCTETITOSIRC?
TABLE OF CONTENTS
-MAGNETIC CONTACTOR
WORKING PRINCIPLE
-THE MAJOR STRUCTURE OF
THE MAGNETIC CONTACTOR
-TYPES OF MAGNETIC
CONTACTORS
MAGNETIC CONTACTOR
WORKING PRINCIPLE
WHEN AN ELECTRIC CURRENT FLOWS
TO THE MAGNETIC FIELD COIL
LOCATED IN THE CENTER LEG OF THE
COIL CORE. THIS WILL CREATE A
MAGNETIC FIELD IN WHICH THE
MAGNETIC FIELD FORCES OVERCOME
THE SPRING FORCE TO CAUSE THE
STEEL CORE TO MOVE DOWN IN THIS
STATE (ON).
STRUCTURE OF THE
MAGNETIC CONTACTOR
1. IRON CORE
2. FIXED CORE
3. MOVING CORE
4. COIL
5. CONTACT
TYPES OF MAGNETIC
CONTACTORS
AC CONTACTOR.
DC CONTACTOR.
TYPES OF MAGNETIC
CONTACTORS
AC CONTACTOR.
AC 1 MAGNETIC CONTACTOR
THIS TYPE OF CONTACTOR IS HELPFUL IN
RESISTIVE LOADS SUCH AS HEATER AND
ELECTRICAL FURNACE, AND NON-
INDUCTIVE OR SLIGHTLY INDUCTIVE LOADS,
WHICH MEANS THE LOAD’S POWER FACTOR
LIES BETWEEN 0.95 AND 1.
TYPES OF MAGNETIC
CONTACTORS
DC CONTACTOR.
SUITABLE FOR INDUCTIVE AND SLIGHTLY
NON-INDUCTIVE LOADS, RESISTANCE
FURNACES, HEATERS.
AND THAT IS
EVER TING ABOUT
MAGNETIV CONTACTOR
MR.CHATMOGKON PLOMCHAM