... CE, CCC, ISO9000 certificated, high quality, and easy use. liquid level controller Descriptions:1. Rated Voltage: AC 125V / 250V2. Max. Current ... (4) A 16(8)A3. Frequency: 50-60HZ4. Max Operating Temperature: 50°C5. Protecting Grade: IP686. Pollution Grade: Normal7. With 1m ... . CE, CCC, ISO9000 certificated, high quality, and easy use. - Liquid level controller