The LD40 terminal block can be used to increase the connection capacity of the contactor to which it is attached. In addition, this terminal block allows the wiring to be prepared before the final connection to the contactor., The 3-pole LD40 terminal blocks are equipped with socket terminals., They fit contactors of size A/AL30 and A/AL40 and increase the connection capacity to, Rigid: 1x 4...35mm² / 2x 4...16mm², Flexible with wire end ferrule: 1x 4...25 mm² / 2x 4...10mm²