1. EZC-250F MCCB series is one of breakers which adopts international advanced design, manufacture technology to develop.
2.The rated insulating voltage is 500V, suitable for AC 50Hz(60Hz), rated working voltage 500V or below, rated working current is 15A to 250A of circuit and use in distributing electric energy.
3. It complies with standard of IEC60947-2.
Classification:
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 | MBS-125 | MBS-250 | |
| Poles No. | 3 | 3 | |
| Rated Current In(A) | 16, 20, 25, 32, 40, 50, 60, 80, 100, 125 | 63, 80, 100, 125, 160, 200, 225, 250 | |
| Rated Insulation Voltage Ui(V) | 690 | 690 | |
| Rated Impulse Withstand Voltage(Kv) | 6 | 8 | |
| Utilisation Category | A | A | |
| Rated Breaking Capacity(KA)Icu/Ics | 220/240VAC | 25/7 | 40/40 |
| 380/415VAC | 18/5 | 25/25 | |
| 660/690VAC | – | 12/6 | |
Working condition:
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
Trip characteristic:
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).
Overall & Installation Dimensions:
[Download not found]Meba MCCB Breaker Protection MBS250 is big ampere circuit breaker with high breaking capacity match with RCCB, MCB use to protection power distribution equipment safety.
