Schneider Electric LADN11 Auxiliary Contact Block

Schneider Electric LADN11 Auxiliary Contact Block is a TeSys D accessory that adds one normally open (NO) and one normally closed (NC) contact to a TeSys D contactor. This front-mounted block uses screw clamp terminals for secure field wiring and is rated for 10 A at up to 690 V. By extending the main contactor with an auxiliary circuit, LADN11 provides essential signaling and interlocking functions for motor control and HVAC applications. It enables a PLC or control circuit to monitor the contactor's status, generate feedback signals, or implement simple sequencing logic without modifying the main power contacts. The two-pole configuration (1 NO + 1 NC) supports both signaling and control interlocks in a compact, integrated package that fits neatly on the TeSys D assembly. Suitable for panel builders and maintenance technicians, the LADN11 simplifies wiring and improves control reliability in automation systems that rely on TeSys D contactors. Designed as a compact, plug-on accessory, LADN11 preserves the mounting footprint of the main contactor while enabling convenient field wiring and straightforward troubleshooting through visible status signals in its auxiliary circuit.