Features Liquid Level Relay This liquid level controller has LED indicators, large contact capacity, ultra wide voltage and flame retardant materials. Stable operation, standard 35mm track installation. Adjustable operation mode: you can set the water drain mode and the water supply mode. Sensitivity adjustable by one button (5-100kΩ). Adjustable action delay (0.1-10S) Wide Applicability This liquid level controller is specially designed for monitoring the liquid level of swimming pools, wells, water towers, tanks, water tanks, etc. Installation method: this level controller is suitable for 35 mm DIN rail, the installation height is ≤ 2000 m, the wiring capacity is 1 x 2.5 mm2 or 2 x 1.5 mm2, the size is 90 * 18 * 64 mm/3.54 * 0.64 71* 2.52 inches. Rated supply voltage: the rated supply voltage of this level controller is AC/DC 24-240V (50-60Hz), the maximum power consumption is 2VA, the sensitivity adjustment range is 5-100kΩ and the supply voltage tolerance is -15%; +10%. Specification: Model: GRL8-02 Function: 2 or 1 level control mode Power terminal: A1-A2 Nominal supply voltage: AC/DC 24-240V (50-60Hz). Power consumption: max. 2VA Sensitivity adjustment range: 5-100kΩ Supply Voltage Tolerance: -15%; +10% Voltage in electrodes: Max. AC 5 V. Current in electrodes: Max. 0.1mA. Response time: max. 400 ms. Electrode cable allows distributed capacitance (maximum): 800nF-100nF Electrode Cable Length: ≤100m Time of action: 0.1s to 10s (adjustable) Adjustment Accuracy: 10% Output contact parameters: 1 x SPDT, 10A/AC1, 250VAC/24VDC Minimum switching power: 500mW Power indicator: Green LED Output Indication: Red LED Mechanical life: 1x107 Electrical life (resistive load): 1x106 Reset time: 200ms maximum Working temperature: -20℃~55℃ Mounting method: 35mm DIN rail Mounting altitude: ≤2000m Wiring capacity: 1x2.5mm2 or 2x1.5mm2 Dimensions: 90 x 18 x 64 mm/3.54 x 0.71 x 2.52 inches. Weight: approx. 82 g/2.9 oz. Package list: 1 x liquid level control relay. Note: 1. Due to the difference between different monitors and lighting effects, the pictures may not reflect the actual colour of the item. 2. Please allow for slight errors due to manual measurement. Thank you for your understanding. Package List