... electric meter box 2.Rated 50, 60 hz frequency of three-phase ac: 35kV 3.With high ... precision, light weight JLS-10-6-30 High-pressure Electric Meter Box Summary: ... 10kV, 6kV, 3kV system on the network.3.With high precision, light weight, easy installation and ... a second appearance, with porcelain casing in panel, lateral surface for measuring meter with use.Technical parameters: Once ...