[Features] · A unit that enables high precision temperature control through a combination with the SSR. · Employs a cycle control method in which power control can be performed with little noise generation. · Combined with the SSR it can be used for single-phase loads, as well as three-phase loads. · Three inputs, namely an internal setting volume, an external setting volume, and an electric current signal DC4 to 20mA are selectable. · Slim style and capable of DIN rail mounting as well as screw mounting. · Close fitting attachment with the G3PA type is possible with the connection terminal. · An insulation transformer is built-in. · 100 to 240V free power supply.