PLC transistor output isolated DC amplifier board board protection board non-contact solid state relay

Compact, easy to install; ★ helps to reduce the control box size, lower cost; ★ input and output status indication, easy to debug; ★ Easy installation with standard rail card, removable; ★ flexibility, reduce waste; ★ different input and output side arrangement, easy wiring; ★ beautiful appearance, small and exquisite; ★ Easy to install with standard rail card installed.