1. MTmax series moulded case breaker is the lasted model, suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, rated operating current up to 1600A.
2. It features normal structure, reliable performance, high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit.
3. It complies with standard of IEC60947-2.
1. Installation way: Mounted vertically, Horizontal installation;
2. By use of circuit breaker usage: Distribution protection, Motor protection;
3. According to the mode of wiring points: Front panel wiring, Back panel wiring , Plug-in connection;
4. According to the mode of operation: direct operating handle, External turning the handle operations, electric operation;
5. By release type distinction: instantaneous action release (magnetic release), thermal + electromagnetic release (duplex); electronic release;
6. Poles Number: 3poles, 4poles;
Type Rated current(A) PoleNo Rated perating voltage(V) Ultimate short circuit breaking capacity(KA) Short circuit breaking(KA) AC380V(400) AC660V(690) DC250 AC380V(400) TM6-125S 12.5,16,20,25,32,40,50,63,80,100,125
≥30 15 – – 7.5 TM6-125H 25 – 20 16 TM6-160S 16,20,32,40,50,63.80,100,125,160
35 8 20 18 TM6-160H 50 10 40 25 TM6-250S 100,125,160,180,200,225,250 35 10 40 18 TM6-250H 50 16 40 30 TM6-400S 200,225,250,315,350,400 35 16 18 18 TM6-400H 65 25 48 48 TM6-630S 400,500,630 50 20 30 30 TM6-630 80 30 60 60 TM6-800S 500,630,700,800 50 20 30 30 TM6-800H 80 30 60 60 TM6-1250S 500,600,630,800,1000,1250 50 10 35 37
1.The altitude not exceeding 2000m
2.The ambient temperature is from +40°Cto -5°C
3.Ambient environment is free from explosive danger and air or dust, which may cause corrosion of metal or weakness of insulation.
4.Ambient environment is free from erosion of rain or snow.
5.Pollution degree 3
6.Over-voltage category III
The thermodynamic release of the breaker has the advantages of inverse time-delay while the magnetic release the instantaneous operation as shown on table 2(distribution circuit breaker)and table 3(motor protection circuit breaker).
MEBA MTmax 1250A 3P molded case breaker protector is big ampere circuit breaker with high breaking capacity match with RCCB, MCB use to protection power distribution equipment safety.
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