Description
The Schneider Electric (Square D) LADN40 is a front-mount auxiliary contact block designed to expand the control circuit capabilities of TeSys D series contactors and motor starters. Featuring four normally open (N/O) contacts, this add-on block snaps directly onto compatible TeSys D contactors, providing additional switching paths for control, signaling, and interlocking applications in commercial and industrial HVAC systems.
Built to Schneider Electric’s rigorous quality standards, the LADN40 is a dependable solution for panel builders, electrical contractors, and HVAC technicians who need to expand contactor functionality without adding separate relay hardware.
Key Features
- 4 normally open (N/O) auxiliary contact poles
- Front-mount design — snaps directly onto TeSys D series contactors
- Compatible with TeSys D contactors (LC1D and LC2D series)
- Compact, space-saving block for use in control panels and enclosures
- Suitable for control circuit signaling, interlocking, and sequencing
- Designed for reliable performance in demanding HVAC and industrial environments
Specifications
- Contact Configuration: 4 N/O (Normally Open)
- Mount Type: Front-mount auxiliary contact block
- Compatible Series: TeSys D (LC1D / LC2D contactors)
- Brand: Schneider Electric / Square D
- SKU: LADN40
Applications
- Commercial and industrial HVAC motor starter panels
- Control circuit interlocking and sequencing
- Status signaling and indicator lamp circuits
- Building automation and motor control centers (MCCs)
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