CM-IWS.2S: what the order code must match
CM-IWS.2S is a insulation monitoring relay for IT systems for a defined industrial installation. When requesting CM-IWS.2S, keep its complete printed designation, hardware revision and project context together so that purchasing and engineering review the same component.
Technical identification and selection data
| Technical item | Verified value / selection note |
|---|---|
| Complete designation | CM-IWS.2S |
| Product family | CM-IWS |
| Component role | insulation monitoring relay for IT systems |
| Function | Insulation monitoring in an unearthed IT system |
| Reference range | 1 to 100 kOhm setting family |
| System voltage | Check exact AC system and supply limits |
| Final configuration | Confirm exact nameplate, hardware revision and order options before purchase |
The CM-IWS.2S data above identifies the published function and key selection checks. A rating or connection shared with another device does not establish an approved replacement for CM-IWS.2S.
Where this item works
For CM-IWS.2S, the intended duty is: Monitor insulation deterioration so maintenance can act before a second fault creates danger. Capture the actual connected load or signal, site environment and operating sequence before purchase.
The installation record for CM-IWS.2S should include a nameplate photograph, panel drawing and the failed unit's setting or software version when applicable.
Match the interface before ordering
The critical cross-check for CM-IWS.2S is: Confirm system earthing, measured network, auxiliary supply, threshold and alarm wiring. A similar product outline, series name or current class alone is not enough.
Ask the supplier to identify any deviations from CM-IWS.2S in connection hardware, function, approvals and accessories. Resolve them against the engineering drawing before accepting a substitute.
Installation and return-to-service proof
For CM-IWS.2S, the controlled acceptance method is: Use the approved test circuit and record alarm threshold, delay and reset response. Record the actual results, not merely a pass/fail impression.
Before returning the equipment containing CM-IWS.2S to production, verify isolation, protective coordination, terminal identification and any interlock or safety-related response.
Same-series ordering references
These codes share the CM-IWS grouping with CM-IWS.2S, but option strings can alter ratings, wiring, firmware or certifications. They are not automatically interchangeable with CM-IWS.2S.
No additional unassigned CM-IWS code is recorded here for CM-IWS.2S.
Buyer handover record
Quote CM-IWS.2S in full, state quantity and destination, and attach the relevant panel photograph and drawing. Confirm whether accessories are included in the offered supply.
At receipt, compare the supplied label with CM-IWS.2S and document any difference before installation. Retain the final part identity and the CM-IWS.2S acceptance test with the asset history.
