Features 【PREMIUM MATERIAL】Liquid level control relay is made of durable material with compact size, suitable for mounting on 35mm DIN rail for easy installation and maintenance. GRL8-01 liquid level control relay with 2-level control mode. 【ROTATABLE】The pool tank water level controller has an adjustable sensitivity range of 5-100kΩ by means of a rotary knob, allowing precise control according to actual requirements. 【DISPLAY】The status of the electronic liquid level controller is indicated by a green LED indicator and the output status is indicated by a red LED indicator, providing intuitive operational feedback. 【LONG LIFE】Liquid timer control relay has stable performance and long life, mechanical life up to 1x107 cycles and electrical life (resistive load) up to 1x106 cycles. 【APPLICATIONS】Water level controller relay is suitable for monitoring the liquid water level in swimming pools, wells, water towers, reservoirs, storage tanks, etc. Specification: Model: GRL8-01 Function: 2 level control mode Power terminal: A1-A2 Rated power 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 5V Current in electrodes: Max. 0.1mA Response time: Max. 400ms Electrode cable allows distributed capacitance (maximum): 800nF-100nF Electrode cable length: ≤100m Setting 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: Max 200ms Working temperature: -20℃~55℃ Mounting method: 35mm DIN rail Mounting altitude: ≤2000m Wiring capability: 1x2.5mm2 or 2x1.5mm2 Dimensions: 90*18*64mm / 3.54*0.71*2.52in Weight: Approx. 82g/2.9oz Package List: 1 * Liquid Level Control Relay Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding. Package List