The relay is used to protect different types of electrical machines and equipments especially the electrical motors against the harm of abnormal operation conditions such as phase failure,incorrect phase sequence and phase unbalance.
1. Microprocessor control technology 2. One modules, 18mm wide 3. Supply voltage measurement(True RMS) 4. Phase failure, incorrcet phase sequence and phase unbalance control 5. Threshold value and delay adjustment by knobs 6. 3phase 3wire: 208VAC,220VAC,240VAC,380VAC,400VAC,415VAC 460VAC,480VAC 3phase 4wire: 220VAC,230VAC,240VAC 7. LED indication for power supply and relay status 8. Din-rail mounting
Umax trip delay
Umin trip delay
Unbalance trip delay
1. The device must be installed by a qualified person, 2. Disconnect all power before working on the device. Don't touch any terminal when the power is ON. 3. Verify correct terminal connection before energizing the device. 4. Don't try to repair the device If the device can't work normally 5. Never use the device at the site which can be invaded by corrode gas, strong sunshine light and rain. 6. Fail to follow these instructions will result in serious injury or death.