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CG - EHV Surge Counter 220kv Model no SC 23-1
₹ 11,000 Get Latest Price
Product Specifications
| Brand | Crompton |
| Usage/Application | Industrial |
| Availability | In Stock |
| Brand | Crompton |
| Country of Origin | Made in India |
| Current Rating | 10kA |
| Location | Chennai (Import & Export) |
GST No - 33ALPPS6667P1ZY | Member since 2026
1ST FLOOR, NO 32, KACHALEESHWARAR AGRAHARAM STREET, PARRYS, Chennai, Tamil Nadu, 600001
CG - EHV Surge Counter 220kv Model no SC 23-1 Read More...
Product Details
The Crompton Greaves (CG) EHV Surge counter model SC 23-1 is a reliable, self-powered monitoring accessory for extra-high voltage (EHV) surge arresters, specifically designed for systems like 220 kV. Its primary function is to record the cumulative number of surge events (lightning and switching surges) discharged through the arrester, and often includes a milli-ammeter for continuous leakage current monitoring.The SC 23-1 model is a robust, weatherproof unit built for long-term outdoor operation without requiring an external power source Functionality: Surge Counting: It uses a reliable mechanical counter (typically 6 digits) to record each significant discharge event through the arrester. Leakage Current Monitoring (Optional Variant): Many EHV counters/monitors, including typical CG models like the SC 07-1, incorporate an analog milli-ammeter to measure the total continuous leakage current. This aids in online condition monitoring, as significant changes in leakage current can indicate arrester deterioration or contamination. Construction and Durability: Housing: Housed in a durable, powder-coated aluminum or stainless steel casting for resistance to corrosion and environmental factors. Weatherproof: Tested for ingress protection of at least IP55 (some specifications mention IP67 for certain variants), ensuring protection against dust and water jets. Viewing Window: A clear glass inspection window allows for easy viewing of the counter digits and ammeter reading from ground level. Installation: It is supplied with a suitable insulating base to isolate the arrester's ground terminal from the main structure, ensuring all earth-bound currents pass through the counter for measurement. The counter is typically mounted at eye level to facilitate easy inspection. Operating Parameters: No Auxiliary Power: The device operates passively using the energy from the surge discharge itself. Frequency: Suitable for standard power frequencies of 50/60 Hz. Working Temperature: Operates reliably in a wide temperature range, typically from -20°C to 65°C. Associated Arrester Rating: Designed to work with 220 kV system surge arresters, which typically have a rated discharge current (N.D.C.) of 10 kA or 20 kA (Line Discharge Class 3 or 4) The SC 23-1 is a fundamental tool for EHV substation maintenance staff, providing critical data on the operational history and health of the surge arresters.
1ST FLOOR, NO 32, KACHALEESHWARAR AGRAHARAM STREET, PARRYS, Chennai, Tamil Nadu, 600001
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