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Dark grey rectangular auxiliary contact block with front screw terminals

Schneider Electric

Schneider Electric LADN31 Auxiliary Contact Block 3NO/1NC 10 A 690V AC IP22

SKU CH-X1CY-X7BJH

Adds four front-mounted contacts — three normally open and one normally closed — rated at 10 A and 690 V AC with IP22 protection

  • TypeIndustrial Electrical Controls & Automation
  • ColorDark Gray
  • Front-mount design simplifies panel assembly
  • 3 NO + 1 NC contacts suit diverse control circuits
  • 10 A rating handles standard industrial loads
  • 690 V AC maximum voltage covers common supply levels
  • IP22 enclosure protects against finger contact and drips

Schneider Electric LADN31 Auxiliary Contact Block

The Schneider Electric LADN31 is an auxiliary contact block designed for industrial control circuits. It provides three normally open and one normally closed contact for use with TeSys, TeSys Deca, and TeSys F series contactors. Front mounting allows direct attachment to compatible devices. The unit is rated for 10 A at 690V AC with an IP22 enclosure rating.

Sustained load performance

The contact block carries a continuous current rating of 10 A at 690V AC across its four contacts. Screw clamp terminals maintain secure connections under continuous electrical load. The IP22 rating protects internal contacts from solid objects and vertically dripping water during extended operation. Compatibility with TeSys series ensures consistent coordination with matched contactor performance curves.

Build quality and daily implications

A dark grey housing houses the contact mechanism with front-mount orientation for straightforward panel installation. Screw clamp terminals accept wire connections without specialised tooling, simplifying wiring and maintenance routines. The 3NO/1NC configuration supports diverse control logic schemes in a single block. IP22 protection suits indoor industrial environments where limited ingress protection is required.

Highlights

  • Front-mount design simplifies panel assembly
  • 3 NO + 1 NC contacts suit diverse control circuits
  • 10 A rating handles standard industrial loads
  • 690 V AC maximum voltage covers common supply levels
  • IP22 enclosure protects against finger contact and drips

Specifications

BrandSCHNEIDER ELECTRIC
TypeIndustrial Electrical Controls & Automation
ColorDark Gray

Questions about this item

How much heat does the LADN31 generate when it carries 10 A continuously all day?

The block is rated for 10 A at 690 V AC; normal temperature rise stays within IEC limits for this current, so no extra cooling is needed in a ventilated enclosure.

Which contactor series must I already own for the LADN31 to mount and operate correctly?

It fits front-mounted on TeSys, TeSys Deca and TeSys F contactors using the standard screw-clamp terminals.

Will the LADN31 work reliably alongside an older TeSys contactor I plan to keep in the same panel?

Yes — the block shares the same 690 V AC rating and IP22 protection, so it integrates without derating the existing starter.

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