Juhonkia continues to introduce new innovations in the field of ring main switchgears. The ring main switchgears series products achieve full coverage of voltage levels and different insulation media products. It is the first domestic enterprise to simultaneously complete the R&D, manufacturing, network access testing and batch supply of standardized and customized SF6 gas insulated, solid insulated, environmentally friendly gas insulated, atmospheric air insulated ring main units and primary and secondary integrated ring main boxes.
2026-08-27 00:03:23
How to Choose a Ring Main Unit for 12kV, 24kV and 40.5kV Distribution NetworksChoosing the correct ring main unit can determine whether a medium-voltage distribution network operates safely, selectively, and economically. In this guide, we explain How to Choose a Ring Main Unit for 12kV, 24kV and 40.5kV Distribution Networks using a practical process: define the network voltage, calculate current and fault levels, select the switching and protection configuration, verify
2026-08-27 00:03:26
How to Choose Low Voltage Switchgear for Industrial Power DistributionChoosing the right low voltage switchgear can reduce electrical downtime, improve personnel safety, and protect production assets from short circuits, overloads, and arc-flash hazards. In this guide, we at Juhonkia provide a simple, actionable process to define your load requirements, select the correct assembly configuration, verify compliance, and prepare for installation—so you can make a
2026-08-27 00:03:28
Why Is Gas Insulated Switchgear Suitable for Space-Constrained Substations?Gas insulated switchgear is a practical solution when a substation must fit into a small site. Urban substations often face high land costs, strict noise limits, and limited room for expansion. A compact substation design can place circuit breakers, disconnectors, earthing switches, and busbars inside a sealed metal enclosure.
2026-08-26 00:02:43
What Documents Should an Authorized Switchgear Supplier Provide?Buying switchgear without the right paperwork can delay a project, fail an inspection, or create a serious safety risk. A buyer should review switchgear supplier authorization documents, learn how to verify an authorized switchgear supplier, and confirm that an authorized medium-voltage switchgear supplier can support the equipment after delivery. This guide explains the documents to request, how
2026-08-26 00:02:45
What Information Is Needed to Customize a Prefabricated Substation?What Information Is Needed to Customize a Prefabricated Substation? A customer normally needs to provide the electrical ratings, site conditions, load characteristics, protection requirements, enclosure details, and applicable standards before a Prefabricated Substation Manufacturer can prepare an accurate design. This information allows Juhonkia to engineer a factory-assembled substation that
