ZHRL1-B Liquid Level Relay

ZHRL1-B Liquid Level Relay
ZHRL1-B Liquid Level Relay
ZHRL1-B Liquid Level Relay
ZHRL1-B Liquid Level Relay
ZHRL1-B Liquid Level Relay


Categories Liquid Level Relay
Model ZHRL1-B
Rated supply voltage AC110V AC220V. AC380V 50Hz/60Hz
Delay range 0.1s~10s
Cable length ≤100m
IP Class IP 20
Use category AC-15
Rated power consumption ≤1.5VA
Atitude ≤2000m
Contact configuration capacity(A) 10A
Contact capacity 1 C/O



Used in single-phase control system, when the power supply is abnomal .


Build-in mircoprocessor, true RMS measurement, voltage measurement accuracy<=1%. Measuring frequency 45Hz~65Hz, button setting. LCD displays voltage and fault information, protection can be turned on or off. Check 3-phase voltage value by botton, with counting and timing function. Record number and time of using devices. DIN rail mounting.

Rated supply voltage 

AC110, AC220V, AC380V, 50Hz/60Hz

Rated power consumption


Sensitivity adjustable range

5kΩ~100kΩ/adjustable relay

Delay range


Contact configuration capacity


Cable Length


Accumulated timing error


Count input signal

AC/DC 20V-450V

Short circuit protector type and maximum rating


IP Class


Class of pollution




Allowable relative humidity

≤50%(40℃)/no condensation

DIN rail Standard

Width 35mm(IEC/EN60715)

Function Diagram


3-electrodes mode,2-electrodes mode,3--electrodes mode
2-electrodes mode(Drain),2-electrodes mode(Fill),3-electrodes mode(Drain),3-electrodes mode(Fill)


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