... conform to GB, IEC, certification: ISO9001:2008 Harmonic Elimination(ultra-small type): LXQ(LXQ3,LXQ4) type harmonic elimination is used for ... the surface structures of nonlinear resistance special treatment, it has small size, light weight, heat dissipation, easy to install and ... higher than +40 degree. no lower than -40 degree.2.Power frequency 48Hz~62Hz3.The earthquake intensity does not exceed ...