40-200A- CL 0.1 DC Immune CT
Energy meter CT’s made using hybrid cores are DC immune current transformers for energy meters meeting IS 13779 / IEC 62053. This particular CT is developed in customized casing and metal shield,(optional) for protection against external magnetic field. This CT finds exclusive application in “Thread Through” or “Cable Through” type energy meters. The wound CT is epoxy potted for durable and long life performance. Number of turns can be wound/adjusted as per customer requirements. CTs can be provided with or without metal shield in custom casings.
Electrical Specification:
| Model |
CT 200A |
| Inductance |
400-1200H to 250-800H
|
| DC Resistance |
225-650 ohms |
| No. of turns |
5000 |
| Operating temp. |
-40° C ≈ 70° C |
| Storage Temp |
-40° C ≈ 85° C |
| Core material |
Nano crystalline and Amorphous (Hybrid) |
| Accuracy |
0.5-1.0 class |
Mechanical Specification:
| Plastic Casing |
Nylon 6 (Black) |
| Secondary termination |
PVC (Red/Black) |
| Approx wt. |
121.1 gms |
| Metal Plate (inside) |
Zinc plated Mild Steel, 0.3mm thick |
| Epoxy material |
Non- hygroscopic Transparent / black/Red/ White potting material |
Application
- For Thread-Through or Cable-Through type Energy Meters
- DC Immunity as per IS 13779 / IEC 62053
| No. |
Item |
Description |
Material |
| 1 |
Core |
68 OD x 43 ID x 18.0 Th (200A) |
Hybrid Core |
| 2 |
Wire |
38 SWG |
Enameled Copper |
| 3 |
Epoxy |
Acrabond 774 /Dr Beck |
Epoxy |
| 4 |
Lead wire |
PVC/PTFE Multi strand |
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