Isolation Transformers
An Isolation Transformer has a Turns ratio of 1:1 and provides a complete galvanic isolation between the Mains and the Load side. The basic function of an Isolation Transformer is to protect the load from noise and spikes that appear in the mains utility supply. The other important function of the Isolation Transformer is to minimise the earth to neutral potential that would arise due to poor neutral conductor size and large neutral currents
Features:
- Complete electrostatic shielding &grounding.
- Reduces power line noise, spikes & transients.
- Total isolation from input and output.
- Three phase to single phase conversion.
Applications:
- Analytical and Bio-Medical equipments.
- CNC processors and peripherals.
- Computer and peripherals.
- Digital communication equipments.
- Instrumentation and Telemetry.
- Special purpose machinery.
- Telecommunication equipment.
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TECHNICAL DATA – ISOLATION TRANSFORMERS |
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Capacity available |
0.5KVA to 500KVA |
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No. of phases |
Single, Two and Three |
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Input Voltage – single phase |
220V/230V/240V |
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Input Voltage – Three phase |
380V/400V/415V |
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Output Voltage – Single phase |
220V/230V/240V |
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Output Volatage – Three phase |
380V/400V/415V |
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Line frequency |
50Hz ±3% |
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Transformer Ratio |
1:1 |
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Load Regulation |
±3.5% |
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Shielded material |
Copper metal |
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DC Isolation |
1000M Ohms |
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HT Breaking Voltage |
2.5kV AC RMS for 60sec |
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Coupling capacitance |
0.009pf |
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Class of Insulation |
B', other class available |
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Noise Rejection |
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Common mode |
>100dB |
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Transverse mode |
>80dB |
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