NJB1-YW Floatless Relay
NJB1-YW Floatless Relay is applicable for water level automatic
control in industrial facilities & equipments, civil water tower,
high cistern, underground conservation pool, etc.
The control of automaitic water supply or drainage may be
achieved by a simgle operation of the function switch without
modifying the user's connectiong conditons.
This product is not applicable for water level control of
flammable and explosive liquid, such as oil, chemical liquid, etc.
2. Type designation
N JB 1 - YW/□
Rated voltage of control power supply
Function code: floatless relay
Design sequence No.
3. Technical data
Voltage between electrodes
AC 50Hz/60Hz 36V, 110V, 220V, 380V,
(other voltage may be custom made)
Max value about 3VA
Max length 100m
Green LED: power supply indication; red LED:relay operation indication
Equipment or Track Type
4. Operation time-sequence diagram and wiring diagram
NJB1-YW operation time-sequence diagram
NJB1-YW wiring diagram
5. Overall and mounting dimensions (mm)