Schneider Electric – LD4LD030K – TeSys Integral Contactor‑Breaker 63 A, 690 V

The Schneider Electric LD4LD030K is a self-protected, non-reversing combination motor controller from the TeSys Integral range. Engineered for compactness and reliability, it integrates a three-phase contactor and thermal/magnetic circuit breaker to switch and protect motors up to 63 A at 690 V AC. Equipped with a 110 V AC control coil and a distinctive red rotary knob, it meets AC‑43 duty requirements for motor applications.

Key Features:

• Model: LD4LD030K

• Brand: Schneider Electric (TeSys Integral series)  

• Configuration: 3-pole contactor with integrated 63 A circuit breaker (IEC AC‑1/AC‑43)  

• Control Coil: 110 V AC, 50/60 Hz  

• Motor Ratings: 20 HP @ 230 V; 60 HP @ 575 V  

• Breaking Capacity: Up to 50 kA (peak), Icu 10 kA @ 600–690 V; high endurance per IEC standards  

• Mounting: DIN-rail or panel; compact form factor (~90 × 243 × 192 mm, 4.3 kg)  

• Accessories: Compatible with various auxiliary contact blocks, signal indicators, and isolators