ARG-WCW-1U is the top Class A grade: 7000 V average withstand, 5000 V minimum individual — the exact grade listed on UL's public record for the ARG-WCW-1U recognition, and the sleeving to specify when a design file cites UZFT2 by name.
| Test standard | UL 1441 |
| Operating temperature | −60 °C to +155 °C (−76 ~ 311 °F) |
| Dielectric (avg. withstand) | 7000 V |
| Dielectric (min. individual) | 5000 V |
| UL recognition | UL 1441, File E233803 (ARG-WCW-1U) |
| Flame rating | UL VW-1 |
Datasheet: full ratings & dimension tables · download PDF
Built for: Highest-class transformer and motor applications where the design file explicitly requires UL UZFT2 recognized sleeving.
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