Panasonic RT-3 PhotoMOS type is equipped with PhotoMOS Power type which have a reputation for high reliability and long life. Helps make devices maintenance-free. Space-saving type with four independent points on a base measuring 33 × 67 mm 1.299 × 2.638 inch. Contributes to a more compact control panel. PhotoMOS Power type, for high reliability and long life, are installed. Can be mounted on a DIN rail or mounted directly (by screws). Equipped with an LED display to allow easy confirmation of operation. Possible to select relay for use in the 4-point terminal in accordance with load.