4. The relay could long term work under full capability and full climate, power consumption is lower than 2W. 3. The protective functions of relay don not be affected by current intensity of circuit or load, impulse current, imbalance current and load characteristic. 1. Made of high quality material, and long service life. 2. Small body, perfect replacement for old or broken one, easy to install 5. This protect relay has phase loss protecting, phase opposite protecting, voltage imbalance protecting and delay protecting function., Weight: 0.60847584312 Pounds, Manufacturer: Transail