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Instrument Transformers
Current Transformers (CT)
SKU: 10KV_INDOOR_CAST_RESIN_CURRENT_TRANSFORMER_LZZBJ9_10
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10)
XinHuan / indoor post-type cast resin current transformer (LZZBJ9-10A1/A2G/QB6) widely used in KYN28A-12, XGN, and ABB UniGear medium-voltage switchgear. Delivers dual/triple secondary cores for simultaneous revenue metering and differential/overcurrent protection.
Compliance Standards
IEC • ANSI • IEEE • GB
Quality Inspection
100% FAT Routine Tested
Engineering CAD
2D CAD / SLD Schematics
Global Logistics
Direct Seaport CIF Export
Engineering Datasheet
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10) — Technical Parameters & Ratings
| Rated Voltage | 10 kV (Max. 12 kV) |
|---|---|
| Rated Frequency | 50 Hz / 60 Hz |
| Rated Primary Current | 5 ~ 3150 A |
| Rated Secondary Current | 5 A / 1 A |
| Accuracy Class Combinations | 0.2S/10P10, 0.5/10P10, 0.2/0.5/10P |
| Rated Output (Burden) | 10 ~ 30 VA |
| Insulation Level | 12 / 42 / 75 kV |
| Dynamic Withstand Current | Up to 80 kA peak |
| Installation | Indoor / Metal-Clad Switchgear |
Engineering Submittal & Layout Workbench
Substation Room Fit & Multi-Equipment CAD Footprints
Select your equipment type and capacity to inspect verified GA engineering CAD line drawings, Single Line Diagrams (SLD), dimensions (L × W × H), roller gauge, and submittal clearances before procurement.
Available Ratings:
11kV / 33kV Dual Voltage
IEC 60076 / IEEE Compliant
100% Routine Factory Tested
Export Nitrogen / Seaworthy Pack
1000 kVA Technical Dimensions
IEC 60076-1International utility & industrial submittal specifications
| Overall Length (L) | 1,750 mm |
|---|---|
| Overall Width (W) | 1,120 mm |
| Overall Height (H) | 1,780 mm |
| Roller Wheel Track Gauge (D) | 820 mm |
| Total Equipment Net Weight | 3,820 kg |
| Min Substation Clearance | 1,000 mm surrounding |
| Rated Voltage / System | 11 kV / 33 kV Dual Primary |
| Applicable Standard | IEC 60076-1 / IEEE C57 |
Download Technical Data Sheet (PDF)
Request Factory Engineering Submittal Package
Full CAD DXF/DWG vector footprints, 3D STEP models, and custom project submittals provided within 2 hours upon request.
XinHuan Hefei Manufacturing Plant — Precision Winding & Assembly Line
Factory Build Quality
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10) — Internal Construction & Premium Materials
Built with tier-1 certified raw materials engineered for long operational life (>30 years), superior dielectric withstand, and high short-circuit withstand capacity.
Silicon Steel Core
High-grade grain-oriented cold-rolled silicon steel with step-lap mitered joints for low $P_o$ losses.
100% Copper Windings
Electrolytic oxygen-free copper with high thermal grade insulation for surge resistance.
Precision Tap Changer
De-energized tap switch ($\pm 2 \times 2.5\%$) or on-load vacuum tap changer (OLTC) optional.
Protection & Sensors
Buchholz gas relay, magnetic oil gauge (MOG), and dial thermometers with alarm contacts.
Quality Assurance
CNAS & ISO 9001 Certified
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10) — 100% Factory Acceptance Testing (FAT)
Every transformer unit manufactured by XinHuan undergoes mandatory routine factory testing prior to container dispatch. Full certified routine and type test submittal reports are provided with commercial documentation:
1. Insulation Resistance
Megger test (HV to LV, HV to Earth, LV to Earth) >1000 MΩ.
2. Voltage Ratio & Vector
Turns ratio check across all taps with phase displacement check.
3. Winding DC Resistance
Precision Kelvin bridge measurement across all tap positions.
4. Short-Circuit Impedance
Load loss ($P_k$) measurement corrected to reference temp (75°C).
5. No-Load Loss & Current
Core excitation test ($P_o$ and $I_o$) at rated sinusoidal voltage.
6. AC Voltage Withstand
Power-frequency separate source test (e.g. 50kV/70kV 1 min).
7. Lightning Impulse (BIL)
Full wave & chopped wave impulse withstand (BIL up to 170kV).
8. Partial Discharge & Seals
Ultra-low discharge (<5 pC) and pressurized oil/gas tightness test.
Logistics Intelligence
Global CIF / FOB Delivery
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10) — Export Packaging & Seaport Logistics
Reinforced palletized export cartons with protective plastic moisture wrap. Ready for containerized sea shipment.
Production Lead Time
Standard manufacturing cycle is 4 to 6 weeks from approval of GA blueprints and single-line diagrams.
Heavy-Duty Export Packaging
Vacuum moisture barrier preservation, nitrogen blanketing, and reinforced steel-frame structural crate skids.
Direct Seaport Routes
Fast ocean freight to Port of Chancay & Callao (25-35 days), Manila, Lagos, and Middle East ports.
Equipment Video Inspection
100% TestedWatch XinHuan technicians perform routine dielectric testing, winding insulation checks, and quality inspections inside our Hefei manufacturing plant.
Every unit 100% routine tested before container loading.
Direct Factory Consultation
Need Custom Project Engineering?
Send your single-line diagram (SLD), voltage ratings, or tender specifications. Our chief electrical engineers will review and issue an actionable CIF quotation within 24 hours.
Custom Voltage Ratios
High-Altitude Derating
Short-Circuit Impedance
Third-Party FAT Witness
10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10) — Engineering & Procurement FAQs
Frequently asked questions regarding specifications, certifications, and delivery for 10kV/12kV Indoor Cast Resin Current Transformer (LZZBJ9-10).
Contact our technical sales team with your MV switchgear panel specifications, current transformation ratio, and accuracy class for immediate pricing.
Fully compliant with IEC 61869-2 and GB/T 20840.2 standards. Factory calibrated with routine accuracy and partial discharge (<5pC) test certificates.
Standard manufacturing lead time is 4 to 6 weeks following approval of GA blueprints and single-line diagrams. Direct sea container shipping is available under FOB, CFR, or CIF terms with full customs documentation (Bill of Lading, Certificate of Origin, Test Reports).
PARENT ENGINEERING PILLAR
IEC 60076-11 · E2/C2/F1 Certified & <5 pC Partial Discharge
11kV Cast Resin Dry-Type Transformers (SCB14/SCB18) Pillar Guide
Compare full capacity no-load loss ($P_0$), load loss ($P_k$), impedance ($U_k\%$), dimensional weights, and routine test tolerances across all models in this series.
Engineering Reference Silo
Transformer Category Pillars & International Standards
Engineering Link Magnets & CAD Resources: