ABB Stotz S&J small auxiliary contactor K6-40E-230AC is designed for use with a rated control supply voltage of 220-240 V at both AC 50 Hz and AC 60 Hz. This contactor operates on AC voltage and has a rated operational current of 3 A at 400 V. It features screw connection for the auxiliary circuit and is designed for DIN rail mounting. The device does not have an interface and includes 4 make contacts. It does not have an LED display and is not suitable for manual operation.

The small auxiliary contactors K/KC 6 fulfill relay functions and are known for their compact dimensions and various connection options, including screw, solder pin, and flat plug technology. These 4-pole devices are versatile and can be used in limited space conditions. They can switch control circuits or load circuits up to 4 A (230 V) with AC or DC control. Additional accessories such as extinguishing elements and 2-pole auxiliary switches can be attached at the side or front.