The LA9FL4L4J is a mechanical interlock from the Schneider TeSys F range, designed to physically prevent two contactors from closing simultaneously. It mounts in a 3-vertical configuration, interlocking specific pairs of LC1F and CR1F contactors: bottom LC1F400 2P/3P/4P or CR1F400 3P/4P, top LC1F630 3P/4P or LC1F800 3P or CR1F630 3P/4P, and middle LC1F630 3P/4P or LC1F800 3P or CR1F630 3P/4P.
TeSys LA9FL4L4J Mechanical Interlock, Obsolete - Sourced to
MPNLA9FL4L4J
Obsolete
Schneider Electric TeSys F, LA9FL4L4J, mechanical interlock, for 3 vertical contactors, obsolete.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
How we verify every order →Specifications
Identification
| Parameter | Value |
|---|---|
| Product / component type | Mechanical interlock |
| Accessory category | Interlocking accessory |
| Product range | TeSys |
Other specifications
| 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 LC1F630 3P or 4P Top LC1F800 3P Top CR1F630 3P or 4P Middle LC1F630 3P or 4P Middle LC1F800 3P Middle CR1F630 3P or 4P |
Product details
Frequently asked questions
What contactors does the LA9FL4L4J interlock?
It interlocks specific pairs of LC1F and CR1F contactors in a 3-vertical stack: bottom position accepts LC1F400 2P/3P/4P or CR1F400 3P/4P; top position accepts LC1F630 3P/4P, LC1F800 3P, or CR1F630 3P/4P; middle position accepts LC1F630 3P/4P, LC1F800 3P, or CR1F630 3P/4P.
How do I source the LA9FL4L4J given it is obsolete?
Submit an RFQ. As an obsolete part, availability is confirmed through surplus and broker networks on a per-order basis. No stock or lead time is guaranteed without a quote.
MPN
LA9FL4L4J