Overview
The Square D TeSys Deca LADN31 auxiliary contact block is engineered for direct top-mount installation on TeSys D series contactors ranging from LC1D09 to LC1D150. Providing a 3NO + 1NC contact configuration with screw clamp terminations, this block allows panel builders to add auxiliary control and monitoring circuits alongside the main contactor without dedicated wiring devices. The snap-mount design enables fast, tool-free installation and removal during panel assembly and maintenance.
Features
- 3 normally open (NO) and 1 normally closed (NC) contact configuration
- Top-mount snap installation — no tools required for attachment
- Screw clamp terminals for secure and reliable conductor termination
- Compatible with LC1D09 through LC1D150 TeSys D contactors
- Dark gray finish consistent with TeSys D series components
- Suitable for motor control, HVAC, and industrial automation applications
Specifications
| Specification | Value |
|---|---|
| Manufacturer | Square D (Schneider Electric) |
| Series | TeSys D |
| Model | LADN31 |
| UPC | 78590121371 |
| Contact Configuration | 3 NO + 1 NC |
| Mounting Type | Top Mount, Snap |
| Connection Type | Screw Clamp Terminals |
| Compatible Contactors | LC1D09 to LC1D150 |
| Color | Dark Gray |



