The Schneider Electric LA9LC331 is a door interlock mechanism from the TeSys Integral range, designed to prevent access to the starter interior while the handle is in the ON position. It mounts by screws to the plate door, securing the enclosure at IP54 against dust and splashing water — adequate for panel environments in dry industrial settings but not for washdown zones.
Schneider LA9LC331 TeSys Integral Door Interlock, IP54, Obso
MPNLA9LC331
Obsolete
Schneider Electric TeSys Integral, door interlock mechanism, LA9LC331, IP54, black, obsolete.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product / component type | Door interlock mechanism |
| Accessory category | Locking accessories |
| Product range | TeSys |
| Parameter | Value |
|---|---|
| Mounting mode | By screws |
| Parameter | Value |
|---|---|
| IP protection rating | IP54 |
| Parameter | Value |
|---|---|
| Color | Black |
| Mounting support | Plate Door |
| Compatibility code | LA9 |
| Keylock destination | Handle |
Product details
Frequently asked questions
What is the closest alternative to LA9LC331 in the TeSys family?
No official successor order code is listed for this part. The closest functional replacement would be a current-production door interlock from the TeSys Integral range, but compatibility with the specific handle and door cutout must be verified against the existing enclosure. An RFQ with the application details can identify the correct substitute.
What is the IP rating and what does it mean for installation?
The LA9LC331 carries an IP54 degree of protection. This means it is dust-protected and splash-proof — suitable for indoor panel use where occasional water spray or dust ingress is a concern, but not for direct hose-down or outdoor exposure.
MPN
LA9LC331