Power transformers
Insulates lead wires and coil exits where voltage, clearance and thermal class must be reviewed together.
WCW ELECTRICAL INSULATION PRODUCT
A transformer lead wire insulation sleeve for power transformers, reactors and coil connections requiring controlled dielectric strength, heat resistance and mechanical protection.

APPLICATIONS
Insulates lead wires and coil exits where voltage, clearance and thermal class must be reviewed together.
Protects routed conductors and terminal transitions against heat, abrasion and assembly damage.
Adds dielectric and mechanical protection around winding connections and lead termination points.
TECHNICAL DATA
Send conductor OD, voltage and dielectric test method, thermal class, impregnation process, clearance and cut length.
Thermal classes: 155°C or 200°C
Voltage grade selected by test method
Typical ID coverage: 0.5-35 mm
Acrylic and silicone coating options
Custom wall, color and cut length
Datasheet and sample support
Published values describe available product directions. Confirm the final drawing, grade, tolerance and test method before production approval.
QUALITY DOCUMENTS
UL recognized fiberglass sleeving constructions are available under applicable WCW files. Confirm voltage test method, wall build and exact grade before qualification.
PROJECT SUPPORT
Send conductor OD, voltage and dielectric test method, thermal class, impregnation process, clearance and cut length. Include the target application, annual demand and required qualification files for a faster review.
FAQ
Coated fiberglass sleeving is commonly used, with acrylic or silicone systems selected by thermal, dielectric and process requirements.
No. Include the dielectric withstand test, wall build, clearance and complete insulation-system requirements.
Yes. Request the proposed grade and dimensions so WCW can provide the relevant data and sample plan.
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View product detailsRFQ AND SAMPLES
Send conductor OD, voltage and dielectric test method, thermal class, impregnation process, clearance and cut length.