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Dark grey rectangular auxiliary contact block with screw terminals

Schneider Electric

Schneider Electric LADN11 Auxiliary Contact Block 1NO/1NC 10 A 690V

SKU CH-HEQX-11XP7

Instantaneous auxiliary contact block adds one normally-open and one normally-closed contact rated 10 A at 690 V AC for TeSys Deca contactors

  • TypeIndustrial Electrical Controls & Automation
  • ColorDark Gray
  • 1 NO + 1 NC mirror-certified contacts for reliable switching
  • 10 A / 690 V AC rating handles demanding control circuits
  • Screw-clamp terminals give secure, tool-friendly wiring
  • Clip-on front mount snaps onto TeSys Deca contactors instantly
  • Multi-standard certification (IEC, UL, CSA, CCC, EAC) ensures global compliance

Schneider Electric LADN11 Auxiliary Contact Block

The Schneider Electric LADN11 is an instantaneous auxiliary contact block designed for TeSys Deca contactors LC1D, LC1F and CAD control relays. It adds one normally open and one normally closed contact with mirror-certified NC contacts for safety circuits. The block clips onto the front of compatible devices for quick integration into industrial control panels.

Sustained-load behaviour

Rated at 10 A and 690 V AC, the contacts maintain performance under continuous industrial duty without derating. Multi-standard certification including IEC, UL, CSA, CCC and EAC confirms compliance for prolonged operation in demanding environments. The screw clamp terminals provide secure connections that resist vibration and thermal cycling over long service periods.

Installation and common issues

Clip-on front mounting allows tool-free attachment to the contactor face, reducing panel assembly time. Wiring uses screw clamp terminals that accept solid or stranded conductors for reliable termination. The most frequent issue is mismatching the block to non-compatible contactor series, so verify the LC1D, LC1F or CAD model before fitting.

Highlights

  • 1 NO + 1 NC mirror-certified contacts for reliable switching
  • 10 A / 690 V AC rating handles demanding control circuits
  • Screw-clamp terminals give secure, tool-friendly wiring
  • Clip-on front mount snaps onto TeSys Deca contactors instantly
  • Multi-standard certification (IEC, UL, CSA, CCC, EAC) ensures global compliance

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
ColorDark Gray

Questions about this item

Does the 10 A 690 V auxiliary contact block generate noticeable heat or noise during continuous all-day operation?

The TeSys Deca block is a passive electromechanical accessory with no fan or active electronics, so it runs silently and produces only minimal warmth from the 10 A contacts under normal load.

What existing Schneider Electric contactor or relay must I already have for this LADN11 to clip on and function?

It mounts directly on the front of TeSys Deca contactors LC1D, LC1F or control relays CAD, so one of those devices is required for installation.

Will the screw-clamp terminals on this 1NO/1NC block accept the same wire gauges I use on my older TeSys Deca contactors?

Yes, the screw clamp terminals are designed for the standard wiring used with LC1D, LC1F and CAD devices, allowing straightforward integration with existing cabling.

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