XCKM121: confirmed data and service handover for XCKM roller-lever-plunger limit switch
XCKM121 identifies a Schneider Electric XCKM roller-lever-plunger limit switch. This service note separates confirmed XCKM121 catalog facts from site-dependent checks. The main collage is a shared category reference image, not a claim that it depicts the exact XCKM121 unit.
Key technical parameters
| Technical item | Verified value / selection note |
|---|---|
| Complete reference | XCKM121 |
| Product family | XCKM roller-lever-plunger limit switch |
| Actuator | Thermoplastic roller-lever plunger |
| Contacts | 1 NC + 1 NO, snap action |
| Cable entry | Pg11 |
Fit decision
For XCKM121, the immediate fit decision is: Check the cam direction, positive opening and cable gland. A visually related designation may have different ratings. Keep the exact XCKM121 reference and engineering approval together.
Four-step field sequence
- 1. Identify Photograph the complete XCKM121 nameplate and installed assembly. Capture the equipment tag and verify that XCKM121 is the intended ordering reference.
- 2. Compare Match XCKM121 electrical or signal ratings, mounting, terminal positions and associated devices with the approved drawing. Check the cam direction, positive opening and cable gland.
- 3. Prepare For XCKM121, isolate the relevant circuit, label wiring and save settings or network configuration when the product carries them.
- 4. Test Commission XCKM121 under the site's safe procedure. Record operation, indication, alarms and any configuration or protection settings.
Ordering record
Ask for current regional availability and the manufacturer's document for XCKM121. Record any replacement proposal as a separate comparison, not as an automatic substitute for XCKM121.
When XCKM121 is installed in an older system, preserve the as-found wiring, firmware, drive parameters or controller program as applicable. A modern substitute for XCKM121 may require changes to mechanical fit, signaling or commissioning; test those changes at system level.
Related visual-code references
The 6 references below resemble XCKM121 under the visible XCKM code pattern. They are collected here rather than published on separate product pages. They are not declared interchangeable with XCKM121; review each full designation and operating limits.
Handover and acceptance
Record the delivered XCKM121 label, approved settings, wiring checks and functional result. Keep the XCKM121 decision with the site's service history. This makes future maintenance traceable without assuming that a visually similar part is the same product.
