The Schneider LA9FK4K4H is a mechanical interlock from the TeSys F range, designed to physically prevent two or three contactors from closing simultaneously. It mounts in a 3-vertical position and interlocks bottom-position LC1F265 through LC1F330 3P or 4P contactors (or CR1F265 equivalents) with top- and middle-position LC1F500 2P/3P/4P contactors (or CR1F500 equivalents).
Schneider LA9FK4K4H TeSys F Mechanical Interlock, Obsolete
MPNLA9FK4K4H
Obsolete
Schneider Electric TeSys F, LA9FK4K4H, mechanical interlock for 3 vertical contactors, interlocking type mechanical.
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 LC1F265...LC1F330 3P or 4P Bottom CR1F265 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 contactors does the LA9FK4K4H interlock?
It interlocks bottom-position LC1F265 through LC1F330 3P or 4P contactors (or CR1F265 equivalents) with top- and middle-position LC1F500 2P/3P/4P contactors (or CR1F500 equivalents).
What is the TeSys range?
TeSys is Schneider Electric's range of motor control and protection components, including contactors, overload relays, and accessories like this mechanical interlock.
MPN
LA9FK4K4H