Current transformers, along with voltage or potential transformers, are instrument transformers. Instrument transformers scale the large values of voltage or current to small, standardized values that are easy to handle for measuring instruments and protective relays. The instrument transformers isolate measurement or protection cir...
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Key Features
- Class I Accuracy (±1%) – Ideal for energy metering and monitoring
- Wide Primary Current Range – 5 A to 5000 A options
- Standard Compliance – IEC 61869-2, IS 16227, IS 2705
- Compact & Robust Design – Suitable for panel or busbar mounting
- Multiple Secondary Options – 1 A or 5 A output
- Customizable Window Sizes – Fits various busbar dimensions
- High Dielectric Strength – 3 kV insulation test rating
- Durable Construction – Polycarbonate or thermoset resin body
- Thermal & Dynamic Withstand – Withstands high fault currents
- Optional IP Protection – Up to IP20 or higher
- Flexible Installation – DIN rail, busbar, or base mount
- Low Mantenance – Long service life with minimal upkeep
Product Specifications
Type
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current transformer
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accuracy class
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class i (±1% accuracy)
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applicable standards
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iec 61869-2, is 16227, is 2705
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primary current rating
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5 a to 5000 a (as per model)
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secondary current rating
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1 a or 5 a
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rated burden
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5 va, 10 v a, 15 va, 30 va (based on selection)
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frequency
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50 hz / 60 hz
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insulation class
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class e / b / f (based on application)
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short-time thermal current (ith)
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25 ka for 1 second (typical)
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dynamic current (idyn)
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2.5 × ith (typical)
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operating temperature range
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-10°c to +55°c
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dielectric withstand voltage
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3 kv for 1 minute (primary to secondary/earth)
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mounting type
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panel-mounted / busbar-mounted / din rail (varies by model)
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enclosure type
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indoor, polycarbonate or thermoset resin
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window/busbar size
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customized (e.g., 30x10 mm, 60x20 mm, etc.)
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protection class
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ip20 or higher (optional)
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application areas
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energy metering, monitoring, protective relaying
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customization options
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multiple ratios, multi-core, custom window sizes
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Product Details
ELC-40 5A Current Transformer Price is on inquiry/-.
A current transformer (CT) is a type of transformer that is used to measure alternating current (AC). It produces a current in its secondary which is proportional to the current in its primary.
Current transformers, along with voltage or potential transformers, are instrument transformers. Instrument transformers scale the large values of voltage or current to small, standardized values that are easy to handle for measuring instruments and protective relays. The instrument transformers isolate measurement or protection circuits from the high voltage of the primary system. A current transformer provides a secondary current that is accurately proportional to the current flowing in its primary. The current transformer presents a negligible load to the primary circuit. [1]
Current transformers are the current-sensing units of the power system and are used at generating stations, electrical substations, and in industrial and commercial electric power distribution.
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