Mcb Box Manufacturers
MCB (Miniature Circuit Breaker) is a distribution box that is fixed in every modern home, industries and any commercial space. A Minature Circuit Breaker is an automatically operated electrical switch. MCB'S prevent damage to an electrical circuit as a result of excess current.
Properties
| Conductor | Insulation | Sheath (Overall Dimensions) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Code | Code Area (Nom.) Sq. mm |
No /Size of mm |
Thickness (Nom) mm |
Thickness (Nom) mm |
Width "W" mm |
Thickness T mm |
Conductor Conductor Resistance & 20°C (Max.)ohms/km. |
Carrying Carrying @ 40°C . (AMP) |
|
| GCS 1 | 1.5 | 22/0.3* | 0.6 | 0.90 | 11.70 | 5.40 | 12.10 | 14 | |
| GCS 2 | 2.5 | 36/0.3* | 0.7 | 1.00 | 13.50 | 6.20 | 7.41 | 18 | |
| GCS 3 | 4.0 | 56/0.3** | 0.8 | 1.00 | 15.20 | 6.50 | 4.95 | 2 | |
*As per Conductor Class 2 of IS : 8130: 1984, **As per Conductor Class 5 of IS 8130: 1984 3 Core Flat Cables generally conforming to IS : 694 : 2010.
| Conductor | Insulation | Sheath (Overall Dimensions) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Code | Code Area (Nom.) Sq. mm |
No /Size of mm |
Thickness (Nom) mm |
Thickness (Nom) mm |
Width "W" mm |
Thickness T mm |
Conductor Conductor Resistance & 20°C (Max.)ohms/km. |
Carrying Carrying @ 40°C . (AMP) |
|
| GCS 4 | 6.5 | 84/0.3 | 1.0 | 1.15 | 17.30 | 7.60 | 3.30 | 31 | |
| GCS 5 | 10.0 | 140/0.3 | 1.0 | 1.40 | 23.70 | 9.90 | 1.91 | 42 | |
| GCS 6 | 16.0 | 226/0.3 | 1.0 | 1.40 | 28.00 | 11.40 | 1.21 | 57 | |
| GCS 7 | 25.0 | 345/0.3 | 1.0 | 2.00 | 35.50 | 14.70 | 0.780 | 72 | |
Selection Guide for 3 Core Flat Cables
1) HP Vs Current: The full load current for sumersible pump motors, 3 phase , 50 cycles, 415-425V.
| Hp | 5.0 | 7.5 | 10.0 | 12.5 | 15.0 | 17.5 | 20.0 | 25.0 | 30.0 | 35.0 | 40.0 | 45.0 | 50.0 | 55.0 | 60.0 | 65.0 | 70.0 | 75.0 | 80.0 |
| Amp | 7.5 | 11.0 | 14.9 | 18.9 | 22.5 | 25.2 | 28.4 | 35.6 | 42.3 | 50.4 | 58.1 | 62.1 | 67.5 | 73.8 | 81.0 | 87.3 | 93.6 | 100.80 | 108.80 |
Selection Guide for 3 Core Flat Cables
2) Derating Factors : Multiply the current carrying capacity of the cable by factors given below for various ambient temperatures.
| Ambient Temperature C | 30 | 35 | 40 | 45 | 50 |
| Operating Factor | 10.9 | 10.4 | 1.00 | 0.95 | 0.77 |
Insulation thickness, sheath thickness and overall dimension given in this table are nominal values The number of wires is approximate and strand diameter is nominal, they shall be shall be such as to satisfy the Requirements of conductor resistance as per IS : 8130/1984
PVC Insulated Three Core Flat Submersible Cables
| Code | Area (Nom) | CONDUCTOR | Insulation | Sheath (Overall Dimensions) | Resistance at 20°C (Max.) | Current Carrying Capacity & 40°C | |||
|---|---|---|---|---|---|---|---|---|---|
| Sq. mm | Number / size of wire mm. |
Insulation Thickness (Nom) mm |
Core Dia (Nom) mm |
Thickness (Nom) mm |
Width "W" mm |
Thickness "T" mm. |
Ohm Km. | Amps. | |
| GCS 1 | 1.5 | 22/0.3 | 0.8 | 3.25 | 1.15 | 12.8 | 5.0 | 12.0 | 14 |
| GCS 2 | 2.5 | 36/0.3 | 0.8 | 3.90 | 1.15 | 14.6 | 6.0 | 7.40 | 18 |
| GCS 3 | 4.0 | 56/0.3 | 0.9 | 4.65 | 1.15 | 17.2 | 6.7 | 4.95 | 26 |
| GCS 4 | 6.0 | 84/0.3 | 1.0 | 5.30 | 1.15 | 18.70 | 7.9 | 3.30 | 26 |
| GCS 5 | 10.0 | 140/0.3 | 1.0 | 6.60 | 1.40 | 23.7 | 9.9 | 1.91 | 42 |
| GCS 6 | 16.0 | 226/0.3 | 1.0 | 8.20 | 1.40 | 28.0 | 11.4 | 1.21 | 57 |
| GCS 7 | 25.0 | 345/0.3 | 1.0 | 10.10 | 2.00 | 35.5 | 14.7 | 0.780 | 72 |
| GCS 8 | 8.0 | 110/0.3 | 1.0 | 5.90 | 1.15 | 21.2 | 8.9 | 4.00 | 31 |
Note : Supplied in 500 meter packing on bags and Drums. Can also supplied in 100 mtr., 300 mtr., 1000 mtr packing on request. The strand diameter is nominal however, construction of conductor is design to satisfy the requirement of conductor resistance as per IS : 8130: 1984
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