SGS-40 delivers Class B dielectric: 4000 V average withstand, 2500 V minimum individual — the workhorse class for motor lead exits and heating-element connections that see sustained voltage stress at up to 200 °C.
| 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 E233804 |
| Flame rating | UL VW-1 |
Datasheet: full ratings & dimension tables · download PDF
Built for: Motor lead exits, heating elements, transformers and HVAC components with sustained 4000 V-class stress.
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| Inner Diameter | Tolerance | 7000 V (Class A) | 4000 V (Class B) | Class C & D |
|---|---|---|---|---|
| 0.5 – 2.0 mm | +0.20 / −0.00 mm | 0.45 ± 0.05 mm | 0.40 ± 0.05 mm | 0.35 ± 0.05 mm |
| 2.5 – 3.0 mm | +0.25 / −0.00 mm | 0.50 ± 0.05 mm | 0.40 ± 0.05 mm | 0.35 ± 0.05 mm |
| 3.5 – 5.0 mm | +0.35 / −0.00 mm | 0.55 ± 0.05 mm | 0.50 ± 0.05 mm | 0.42 ± 0.05 mm |
| 6.0 – 9.0 mm | +0.50 / −0.00 mm | 0.60 ± 0.05 mm | 0.55 ± 0.05 mm | 0.45 ± 0.05 mm |
| 10.0 – 12.0 mm | +0.70 / −0.00 mm | 0.65 ± 0.05 mm | 0.55 ± 0.05 mm | 0.53 ± 0.05 mm |
| 13.0 – 20.0 mm | +0.80 / −0.00 mm | 0.70 ± 0.05 mm | 0.60 ± 0.05 mm | 0.56 ± 0.05 mm |
| 22.0 – 35.0 mm | +0.90 / −0.00 mm | 1.05 ± 0.05 mm | 1.00 ± 0.05 mm | 0.70 ± 0.05 mm |
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