Square D LADN11 TeSys Deca Auxiliary Contact Block — 1 NO + 1 NC, Top Mount
The Square D LADN11 is a top-mount snap-on auxiliary contact block for TeSys D series contactors, compatible with LC1D09 through LC1D150 models. It provides one normally open (NO) and one normally closed (NC) contact with screw clamp terminal connections. The dark gray snap-on design allows quick, tool-free field installation directly onto the contactor top.
Key Specifications
- Contact Configuration: 1 NO + 1 NC
- Mounting: Top mount, snap-on
- Connection Type: Screw clamp terminals
- Color: Dark Gray
- Compatible Contactors: LC1D09 to LC1D150
- Series: TeSys D
- Manufacturer: Square D (Schneider Electric), Model LADN11
Applications
Used in motor control centers, machine panels, and industrial automation systems requiring auxiliary contact expansion for status indication, interlocking, or control circuit feedback. The LADN11 provides the standard 1 NO + 1 NC configuration commonly required in motor starter and contactor assemblies across industrial, commercial, and utility applications.




