SRS-40 pairs the inside-fiber / outside-rubber SRS construction with a 4000 V average withstand (2500 V minimum individual). The outer silicone rubber layer resists abrasion and tracking; the fiberglass core carries the mechanical load.
| Test standard | UL 1441 |
| Operating temperature | −60 °C to +200 °C (−76 ~ 392 °F) |
| Dielectric (avg. withstand) | 4000 V |
| Dielectric (min. individual) | 2500 V |
| UL recognition | UL 1441, File E233803 (SRS-40) |
| Flame rating | UL VW-1 |
Datasheet: full ratings & dimension tables · download PDF
Built for: EV drive motor leads, generator and marine motor leads where abrasion resistance and 4000 V dielectric are both specified.
Request SRS-40 samples →| Inner Diameter | Tolerance | 4000 V | 7000 V |
|---|---|---|---|
| 0.5 – 2.0 mm | +0.20 / −0.00 mm | 0.40 ± 0.05 mm | 0.45 ± 0.05 mm |
| 2.5 – 3.0 mm | +0.25 / −0.00 mm | 0.40 ± 0.05 mm | 0.50 ± 0.05 mm |
| 3.5 – 5.0 mm | +0.35 / −0.00 mm | 0.50 ± 0.05 mm | 0.55 ± 0.05 mm |
| 6.0 – 9.0 mm | +0.50 / −0.00 mm | 0.55 ± 0.05 mm | 0.60 ± 0.05 mm |
| 10.0 – 12.0 mm | +0.70 / −0.00 mm | 0.60 ± 0.05 mm | 0.65 ± 0.05 mm |
| 13.0 – 20.0 mm | +0.80 / −0.00 mm | 0.65 ± 0.05 mm | 0.70 ± 0.05 mm |
| 22.0 – 35.0 mm | +0.90 / −0.00 mm | 1.00 ± 0.05 mm | 1.50 ± 0.05 mm |
Send inner diameter, annual volume and target standard — we reply with a sampling plan and lead time.
Request SRS-40 SamplesSend these five details with your inquiry and we will reply with a recommended series, sample plan and datasheet: