Rasquinha Transcore Electricals
Toroidal Cores for LT CT | HT CT | CBCT | Bus Duct CT
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Manufacturing Excellence
We manufacture high-precision CRGO Round & Rectangular Toroidal Cores using premium, carefully selected CRGO Electrical Steel coils. After slitting, the strips are wound on advanced automatic core winding machines (Indian, Chinese & Taiwanese make) to ensure consistency in:
Electro-magnetic characteristics
Dimensional accuracy
Surface finish & winding uniformity
Our winding machines automatically stop at the exact prescribed dimensions. Start and finish points are firmly spot-welded for maximum structural strength.
Material Grades Available
M3, M4, MOH, ZDKH (LASER), M5 & M6
Size Range
Round Cores:
Minimum ID: 17 mm
Maximum OD: 1335 mm
Rectangular Cores:
Minimum ID: 17 mm × 25 mm
Maximum OD: 1300 mm
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Annealing & Finishing
After winding, all cores undergo stress-relief annealing to restore maximum magnetic properties.
We use:
Conventional Oven
Modern Conveyor Belt Oven (continuous annealing for high-volume, fast delivery)
Further finishing includes:
Bonding (where required)
Spray painting
Complete electrical & dimensional inspections
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Testing Process
Each core is laboratory tested to ensure it meets customer-specified electrical parameters.
Testing includes:
Voltage & current validation
10/12 Turns testing on high-precision machines
Flux density consistency checks
Dimensional accuracy verification
We operate automatic and manual testing setups for complete flexibility and accuracy.
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Applications of CRGO Toroidal Cores
Energy Meters
Relay Meters
Automatic Power Factor Controllers (APFC)
Current Transformers (CTs)
High Current Ring Type CTs
Core Balance Current Transformers (CBCT)
Bus Duct CTs
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Contact Us
Rasquinha Transcore Electricals
📞 7021764479
📧 rasquinhatranscore@gmail.com
