Motor insulation
Matches winding exits and lead wires to the required thermal class, flexibility and oil exposure.
WCW ELECTRICAL INSULATION PRODUCT
High Temperature Fiberglass Sleeving
A high-temperature fiberglass sleeving family for motors, transformers and EV harnesses, with acrylic, silicone resin and silicone rubber constructions selected by thermal, dielectric and fluid exposure.
APPLICATIONS
Applications
Transformer insulation
Protects transformer and reactor leads requiring dielectric strength, heat resistance and controlled wall build.
EV harness protection
Supports cable routes exposed to heat, abrasion, oil and demanding automotive qualification processes.
TECHNICAL DATA
Technical Specifications
Start with application, thermal class, voltage, ID, wall build, fluid exposure, flexibility and certification target.
Temperature classes: 155°C and 200°C
Typical voltage direction: 600V
Typical inner diameter: 0.5-35 mm
Acrylic, silicone resin or silicone rubber
Custom color and cut length
UL file references by selected construction
Published values describe available product directions. Confirm the final drawing, grade, tolerance and test method before production approval.
QUALITY DOCUMENTS
Certifications
UL recognized options are available under WCW file references E233803 and E233804. Confirm the selected coating and construction before citing a certification on the final drawing.
PROJECT SUPPORT
Datasheet & Samples
Start with application, thermal class, voltage, ID, wall build, fluid exposure, flexibility and certification target. Include the target application, annual demand and required qualification files for a faster review.
FAQ
Product selection questions
Which coating should I choose?
Acrylic, silicone resin and silicone rubber suit different thermal, flexibility, oil and dielectric requirements. Select from the complete application conditions.
Are all fiberglass sleeves UL certified?
No. UL scope applies only to listed constructions. Confirm the exact style and file reference before approval.
Can WCW provide custom sizes and free samples?
Yes. Share the application and target dimensions so WCW can recommend a matching construction and sample.
RELATED INSULATION
Related Products
Silicone Resin Coated Fiberglass Sleeving
A high-temperature electrical insulation sleeve for motor windings, transformer leads, lighting assemblies and automotive wiring that need controlled dielectric performance and dimensional stability.
View product detailsAcrylic Coated Fiberglass Sleeving
A cost-controlled electrical insulation sleeve for motor leads, transformer connections and household appliance wiring that require dielectric protection and oil-resistant performance.
View product detailsSilicone Rubber Fiberglass Sleeving
A flexible high-temperature insulation sleeve combining silicone rubber and fiberglass reinforcement for motor leads, transformer wiring and EV cable routes exposed to oil, bending and abrasion.
View product detailsRFQ AND SAMPLES
Send your drawing or insulation requirement
Start with application, thermal class, voltage, ID, wall build, fluid exposure, flexibility and certification target.