CRGO Step-Lap Distribution Transformer Core – Efficiency You Can Measure
Our CRGO step-lap distribution transformer cores are engineered with high-grade silicon steel and a step-lap joint structure to minimize core loss and excitation current. Designed for transformers in power distribution, renewable energy, and industrial control, these cores deliver dependable magnetic performance.
Key Selling Points
- Ultra-Low Core Loss: Step-lap joint design reduces loss by up to 30% compared to conventional butt joints, lowering operational energy costs.
- High Magnetic Permeability: CRGO silicon steel ensures high permeability, improving transformer efficiency and reducing size.
- Customized Designs: Available in 0.2, 0.23, 0.27, and 0.3 mm thicknesses, tailored to your specific requirements.
- IEC International Standard Compliant: Meets international quality and performance standards for reliable global use.
- 100% Inspection Before Delivery: Each core undergoes rigorous testing to ensure zero defects and consistent quality.
Technical Specifications
| Parameter | Value |
|---|
| Material | CRGO Silicon Steel |
| Thickness Options | 0.2 / 0.23 / 0.27 / 0.3 mm |
| Core Type | Step-Lap Laminated Core |
| Application Voltage | Distribution (Medium/Low Voltage) |
| Operating Temperature | -40°C to +155°C |
| Insulation Class | High Insulation Strength |
Models and Options
We offer step-lap cores in various dimensions and thicknesses as per customer drawings. Standard thicknesses are 0.2, 0.23, 0.27, and 0.3 mm. Custom designs available.
Materials and Structure
Made from high-grade CRGO silicon steel laminations with a step-lap joint structure. This design reduces core loss and excitation current, supports coils securely, and ensures magnetic induction efficiency.
Applications
Ideal for distribution transformers, power transformers, current/voltage transformers, inductors, reactors, and power inverters in industries including electricity, energy management, EV charging, and renewable energy.
Customization
Customized design in terms of size, thickness, and core loss level. Our R&D team of 25 engineers can develop cores to meet your specific requirements. RoHS & CE compliance available.
Case Study
Our cores are trusted by power equipment manufacturers, sensor OEMs, and instrument transformer producers for over 10 years. In one project, we supplied 5000 units for current/voltage transformers, achieving high-precision metering and low-loss operation.
FAQ
Q1: What is the minimum order quantity (MOQ)?
A: Our MOQ is 1 unit.
Q2: Can you customize dimensions?
A: Yes, we offer customized designs including size and thickness.
Q3: What delivery methods do you support?
A: We support FOB and CIF.
Q4: What quality tests do you perform?
A: We perform pre-shipment testing and 100% inspection before delivery.
Q5: What is the typical production lead time?
A: The operation mode is 30 working days.
Q6: Do your cores meet international standards?
A: Yes, they are IEC compliant and ISO9001 certified.
Q7: Can you provide samples?
A: Yes, samples can be provided upon request.
Inquiry Information
Contact us for a quote or more details:
Name: Lucien
Email: lucien@yadootek.com
Tel: +86 13912495853
WhatsApp: +86 17768348101
Image Filename and Alt Suggestions
Main image: crsgo-step-lap-core-23.png – Alt: “Step-lap distribution transformer core made of CRGO laminations”
Detail image 1: crsgo-step-lap-core-21.png – Alt: “Close-up of step-lap joint on transformer core”
Detail image 2: crsgo-step-lap-core-19.png – Alt: “CRGO core used in a transformer assembly”
