Markari Electric

1.  Application<br />
Molded  Case  Circuit  Breakers  MM1  series  (hereinafter  called  as  MM1  MCCB  is  a  new  designed  MCCB,  developed  and  manufactured  adopting international advanced technology. MM1 MCCB rated insulating voltage AC 800V is suitable for using in the circuit of AC 50Hz /60Hz, rated voltage up to 690V (and below DC250V). Rated working current 10A-1600A, It can be used for infrequently switch and starting of motor , protect the line and the equipment from being damaged due to overload, short current and under-voltage.<br />
 <br />
Internal accessory: shunt release, under voltage release, auxiliary contact, alarm contacts and open-phase protection release<br />
Eternal accessory: power-driven operation mechanism, turning handle operation mechanism.<br />
The wiring Method has four ways: wiring in front of the board, wiringon back of the board, insertion type in front of the board and insertion type on back of the board.<br />
Installation method: vertically installed and horizontal installed<br />
Breaking capacity: Basic type(C) , standard type (L), middle type (M) , high type(H)<br />
Arc distance: short arc , long arc<br />
Outside: small volume, white and black outside, pleasing shape<br />
Poles: 2, 3, 4<br />
Frame current:63,100,225,400,630,800,1250,1600 <br />
Classification according to rated current (A):<br />
MM1-63 has nine grades: (6), 10, 16, 20, 25, 32, 40, 50, 63A<br />
MM1-100 has ten grades: (10), 16, 20, 25, 32, 40, 50, 63, 80, 100A<br />
MM1-160 has four grades: 100, 120, 140, 160A<br />
MM1-225 has seven grades: 100, 125, 140, 160, 180, 200, 225A<br />
MM1-400 has five grades: 225, 250, 315, 350, 400A<br />
MM1-630 has three grades: 400, 500, 630A<br />
MM1-800 has three grades: 630, 700, 800A<br />
MM1-1250 has three grades: 800, 1000, 1250A  [specifications in brackets is not recommend.]<br />
MM1-1600 has four grades: 1000 ,1250,1600A<br />
Standard:ICE60947-2 GB14048.2