Every CTRL Motor product is specified against a standardized environmental grade combining temperature range and vacuum level. Select the grade that covers your worst-case condition — custom grades beyond this table are available on request.
| Category | Code | Temperature Range | Max Casing °C | Vacuum (Pa) |
|---|---|---|---|---|
| Wide Temperature | NTL2 | −40 ~ +85 °C | +115 | — |
| NTL3 | −60 ~ +85 °C | +115 | — | |
| High-Temperature Vacuum | VMT1 | −20 ~ +200 °C | +200 | 10⁻³ |
| VMT2 | −20 ~ +150 °C | +150 | 10⁻³ | |
| VHT1 | −20 ~ +200 °C | +200 | 10⁻⁵ | |
| VHT2 | −20 ~ +160 °C | +160 | 10⁻⁵ | |
| Deep Cryogenic | VTL3 | −60 ~ +100 °C | +130 | 10⁻¹ |
| NTL4 | −80 ~ +85 °C | +115 | — | |
| SLT | −196 ~ +40 °C | +100 | — |
Every product in this catalog is built and inspected against one of these standardized grades. Special requirements — radiation resistance, mold resistance, impact resistance, shaft forms, double shafts, encoders and brakes — are customized on request.