GL-6 Series: Small size measuring 6 x 6 x 19mm. Inexpensive, despite its small size and high performance.

GX-U Series: Cylindrical DC 2-wire type. Reduces wiring cost. Prevent chances of wrong wiring. Normally open type equipped with two colour indicators for operation and output signal.

GP-A Series: Equipped with two outputs, analog voltage (0 to 5V) and analog current (4 to 20mA), makes it suitable for various analog control devices.