Meidensha

Makes medium-voltage switchgear and other substation equipment. Its HICLAD gas-insulated equipment and Singapore switchgear manufacturing serve power distribution projects.

HQ JP Medium voltage

Verified 11 Nov 2026

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36 kVMV voltage

31.5 kAMV short-circuit

2,500 AMV current

Highest verified across the families researched. The rating scope under Facts says which model each figure describes.

Facts

Source per value

Product lines Named switchgear/switchboard families or assembly types verified on the cited page; semicolon-separated where appropriate.: HICLAD 20GB; HICLAD 30GB 1
MV voltage kV Highest rated or maximum-design voltage among the specific MV products researched, not a guaranteed company-wide maximum. See rating_scope; do not combine independent maxima into an orderable configuration. HV-only variants are excluded.: 36 1
MV current A Highest published busbar/assembly continuous current among the researched MV products; forced cooling or special configurations may apply. Separate load-switch and component limits are identified in rating_scope.: 2,500 1
MV short-circuit kA Highest sourced symmetrical fault-breaking or short-time withstand rating for the researched assemblies; these are different duties. Use the cited source and rating_scope for the applicable duty, duration and voltage. Never infer interrupting capacity from bus bracing.: 31.5 1
MV load-switch current A Continuous/load-dropping current of the referenced MV switch, distinct from the main busbar rating.: Not published
MV self-cooled current A Current explicitly supported without forced cooling for the referenced model.: Not published
LV assembly current A Maximum verified main busbar or assembly rating for the researched LV switchgear/switchboard; incoming breaker ratings may be lower. Does not imply an MV offering.: Not published
LV voltage V Rated operating voltage of the referenced assembly; not its insulation or impulse-withstand voltage.: Not published
LV withstand kA Published assembly/main-bus short-time withstand rating; source gives duration. Not a breaker interrupting rating.: Not published
Bus bracing kA Published bus bracing rating; source-specific cycle duration applies. Not an interrupting rating.: Not published
Withstand duration s Duration associated with the referenced withstand-current rating.: Not published
RMU voltage kV Maximum published voltage of the specifically researched ring main unit family.: Not published
Standards and certifications Only standards explicitly named by the source; applicability and optional listings are preserved. Repeated facts may document separate standards with separate source URLs.: IEC 62271-200 1
SF6-free MV True only where an SF6-free MV assembly/design is explicitly supported. Applies to a specific product, not the entire vendor portfolio. Missing is unknown, not false; SF6-free need not mean fluorine-free.: Not published
SF6-free product Named SF6-free product, insulating medium and limits where established. Announced or unavailable variants are identified.: Not published
Insulation technology AIS = air insulated; GIS = gas insulated. Solid/vacuum technologies and gas identity are stated where sourced; vacuum interruption alone does not prove SF6-free insulation.: GIS using SF6 1
Data center offer True where the cited first-party source explicitly markets or reports supply to data centers. It does not prove that every listed model/rating is installed in one. Missing is unknown, not false.: Not published
Data center evidence Company-level exposure, trade-press reference, or limited evidence distinguished from a verified specific MV/LV installation. Research limitations are stated explicitly; do not treat these records as proven model-level data-center references.: The 2025 report identifies data-center power demand as a growth driver. HICLAD manufacture is verified separately; a named data-center switchgear deployment was not established in the reviewed sources. 3
Data center project Named or anonymized vendor-disclosed order, value, timing and scope; not attributed to a specific product unless the source does so.: Not published
Manufacturing locations Verified manufacturing countries/cities or explicitly scoped acquired manufacturing network; planned facilities are labeled as such. Repeated facts can cover separately sourced facilities.: Singapore switchgear plant; opened 1997 and expanded in 2015 2
Capacity expansion Announced investment, location, timing and output change where disclosed; distinguish announcement, planned start and confirmed operation. Amounts retain original currencies.: Not published
Published manufacturing capacity Vendor-published throughput or manufacturing footprint, scoped to facility/product/date where known; not independently audited.: Up to 200 switchgear/controlgear panels per month at the Singapore plant 2
Enclosure and installation options Published indoor/outdoor, walk-in, NEMA/type or mounting arrangements; model-specific availability applies.: Not published
Assembly construction Published metal-clad/enclosed, drawout or factory-assembly characteristics.: Not published
Internal separation Published IEC internal separation form and type for the referenced LV assembly.: Not published
Service continuity category Published loss-of-service-continuity classification of the referenced MV assembly.: Not published
Ingress protection Published IP code for the referenced product; not generalized to all products.: Not published
Controls Named control system and supported transfer/control modes.: Not published
Control capacity Published count of controlled switches/breakers or other control limits.: Not published
Supply and integration options Published assembly, modular integration, or partner supply scope; does not convert component-only suppliers into assembly manufacturers.: Not published
Ownership or brand relationship Verified parent/brand relationship and effective date when stated; records represent buyer-facing manufacturing businesses, not necessarily independent corporate groups.: Not published
Relevant acquisition Completed acquisition and stated transaction value/date, preserving adjustment qualifications.: Not published
Rating scope and qualifications Model-specific limits, cooling, options, source discrepancies and distinctions between bus, breaker and switching ratings. Consult before comparing numeric maxima.: Not published
Availability or verification note Published pilot, coming-soon, certification-in-progress or lead-time qualification. Marketing lead times are not contractual commitments.: Not published
Voltage segment MV when a medium-voltage (1 to 52 kV) switchgear rating is published, LV when a low-voltage assembly rating is, both when the supplier publishes each. Derived from the rating fields.: MV 1
HQ country Country of the supplier's headquarters or brand owner, from the company page.: Japan 1
HQ region Region of the supplier's headquarters or brand owner.: Asia-Pacific 1

Sources

meidensha.com: FA69 3218 accessed 2026-11-11
meidensha.com: fac 03 accessed 2026-11-11
meidensha.disclosure.site: meidensha report2025 en accessed 2026-11-11

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