Features: _x000D_ 1. Designed for monitoring liquid level in pool, well, water tower, reservoirs, tanks, etc. _x000D_ 2. You can set water draining mode and water supply mode. _x000D_ 3. Adjustable sensitivity by a knob (5-100k). _x000D_ 4. Adjustable action time delay (0.1-10S). _x000D_ 5. Relay status is indicated by LED. _x000D_ 6. With small volume, 35mm DIN rail mount. _x000D_ Specification: _x000D_ Model: GRL8-02 _x000D_ Function: 2 or 1 level control mode _x000D_ Power terminal: A1-A2 _x000D_ Rated power supply voltage: AC/DC 24-240V(50-60Hz) _x000D_ Power consumption: Max. 2VA _x000D_ Sensitivity adjustment range: 5-100k _x000D_ Supply voltage tolerance: -15%; +10% _x000D_ Voltage in electrodes: Max. AC 5V _x000D_ Current in electrodes: Max. 0.1mA _x000D_ Response time: Max. 400ms _x000D_ Electrode cable allows distributed capacitance (maximum): 800nF-100nF _x000D_ Electrode cable length: 100m _x000D_ Action delay time: 0.1s-10s (adjustable) _x000D_ Setting accuracy: 10% _x000D_ Output contact parameters: 1 x SPDT, 10A/AC1, 250VAC/24VDC _x000D_ Minimum switching power: 500mW _x000D_ Power indicator: Green LED _x000D_ Output indication: Red LED _x000D_ Mechanical life: 1x107 _x000D_ Electrical life(resistive load): 1x106 _x000D_ Reset time: Max 200ms _x000D_ Working temperature: -20~55 _x000D_ Mounting method: 35mm DIN rail _x000D_ Mounting altitude: 2000m _x000D_ Wiring capability: 1x2.5mm2 or 2x1.5mm2 _x000D_ Dimensions: 90*18*64mm / 3.54*0.71*2.52in _x000D_ Weight: Approx. 82g/2.9oz _x000D_ _x000D_ Package List: _x000D_ 1 * Liquid Level Control Relay _x000D_ _x000D_ Note: _x000D_ 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. _x000D_ 2. Please allow slight error due to manual measurement. Thanks for your understanding.