Liquid level control relay PZ-829 two-state, with PZ2 probes included (3 pcs.), Contacts 2 × 1P, I = 2 × 16A, 3 modules

Liquid level control relay.
Application:
to detect the presence of electrically conductive liquids at the levels of the installed flood probes
allows you to maintain minimum and maximum levels of the controlled liquid within the range defined by the user.