The Schneider Electric LADN20C Auxiliary Contact Block is an instantaneous auxiliary contact accessory designed to attach to compatible Schneider contactors (such as the TeSys D and TeSys F series).
Specifications
Specification Details
Product Name Schneider Electric LADN20C Auxiliary Contact Block
Product Type Auxiliary Contact Accessory / Contact Block
Series / Range TeSys Deca / TeSys D / TeSys F compatible
Contact Configuration 2 Normally Open (2 NO) contacts
Auxiliary Contact Operation Instantaneous operation
Rated Operational Voltage (Ue) Up to 690 V AC (AC‑15); also suitable for 25…400 Hz systems
Rated Insulation Voltage (Ui) 690 V AC per IEC 60947‑5‑1; 600 V for UL/CSA ratings
Contact Current Ratings 6 A @ 120 V AC‑15; 1.04 A @ 690 V AC‑15; also DC switching capacities (e.g., 0.55 A @ 125 V DC‑13)
Conventional Free‑Air Thermal Current (Ith) 10 A at ~60 °C ambient
Minimum Switching Voltage ~17 V
Minimum Switching Current ~5 mA
Rated Making Capacity ~140 A AC (IEC‑rated) & ~250 A DC (IEC‑rated)
Permissible Short‑Time Rating 100–140 A (depends on time duration & conditions)
Mounting Location Front / clip‑on mounting on contactor frame
Terminal Type Screw clamp terminals (1–2.5 mm² cable range)
Protection / Standards Conforms to IEC 60947‑5‑1; UL/CSA compliance as marked
Typical Use Case Control signal extension, status indication, interlocking with PLC/DCS or auxiliary circuitry