It mounts in the 3 vertical position and is designed to interlock bottom LC1F400 2P/3P/4P or CR1F400 3P/4P, top LC1F500 2P/3P/4P or CR1F500 3P/4P, and middle LC1F500 2P/3P/4P or CR1F500 3P/4P contactors.
Schneider LA9FK4K4J TeSys F Mechanical Interlock, Obsolete
MPNLA9FK4K4J
Obsolete
Schneider Electric TeSys F, LA9FK4K4J, mechanical interlock, for 3 vertical contactors, obsolete.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Product / component type | Mechanical interlock |
| Accessory category | Interlocking accessory |
| Product range | TeSys |
| Parameter | Value |
|---|---|
| Device short name | LA9F |
| Interlocking type | Mechanical |
| Mounting position | 3 vertical |
| Interlocked device | Bottom LC1F400 2P or 3P or 4P Bottom CR1F400 3P or 4P Top LC1F500 2P or 3P or 4P Top CR1F500 3P or 4P Middle LC1F500 2P or 3P or 4P Middle CR1F500 3P or 4P |
Product details
Frequently asked questions
What is the closest alternative to LA9FK4K4J in this family?
No official successor order code is listed in the lifecycle record. A parametric search within the TeSys F accessory family for a mechanical interlock rated for similar contactor frames (LC1F400, LC1F500, CR1F400, CR1F500) would be the next step, but no direct drop-in replacement is documented here.
How do I source this obsolete part?
It is sourced through independent surplus and broker channels. Submit an RFQ for a quote; no stock or lead-time number is carried here.
MPN
LA9FK4K4J