Kyokuyo HM/HVG Series Electric High-Voltage Fuses

Manufacturer: Kyokuyo Electric Co., Ltd
Made in Japan
Model: HM/HVG Series (HM2534A M40A, HM2534A M60A, HM2534A M100A, HM2535A M150A, HM2535A M200A, HM2535A M300A, HM2536A M400A, HM5064A M40A, HM5065A M60A, HM5065A M100A, HM5065A M150A, HM5066A M200A, HM2534C M40A, HM2534C M60A, HM2534C M100A, HM2535C M150A, HM2535C M200A, HM2535C M300A, HM2536C M400A, HM5064C M40A, HM5065C M60A, HM5065C M100A, HM5065C M150A, HM5066C M200A, HVG73-KA G20A, HVG73-KA G30A, HVG73-KA G40A, HVG73-KA G50A, HVG73-KA G60A, HVG73-KA G75A, HVG73-KA G100A)

  • Replace high-voltage fuses in power systems every 15 years to minimize the risk of accidents. Using these fuses beyond the recommended period increases the likelihood of dangerous incidents.
  • The Japan Electrical Manufacturers’ Association advises a 15-year replacement period for indoor high-voltage power fuses in its “Recommended Period for Maintenance and Inspection of High-Voltage Current-Limiting Fuses.” Continuing to use fuses past this period may lead to deterioration of the fuse’s internal element, causing malfunctions, ground faults, or short circuits. These failures could harm surrounding equipment and create severe hazards. Regular replacement prevents such issues and enhances safety.
  • Hitachi discontinued its high-voltage power fuse models M-25A, M-25A-C, and SGT-50-KA in August 2008, and these now exceed the 15-year recommended period as of August 2023. Replace these fuses immediately with compatible Utsunomiya Electric models for optimal safety and functionality.
  • Utsunomiya Electric provides high-voltage fuses compatible with Hitachi models and additional options like Ogaki Electric’s standard fuses for LBS. Contact us for more information on available options.
  • We also offer a selection of low-voltage and marine-use fuses. Reach out to us with any fuse-related inquiries, and our team will assist you in finding the right solution.

Specifications of HM/HVG Series

Hitachi Discontinued ModelsUtsunomiya Electric Replacement Models
ModelRated Voltage (kV)Rated Current (A)Replacement Model
M-25A3.640HM2534A M40A
80HM2534A M60A
150HM2535A M150A
200HM2535A M200A
300HM2535A M300A
400HM2536A M400A
40HM5064A M40A
80HM5065A M60A
7.2100HM5065A M100A
150HM5065A M150A
200HM5066A M200A
40HM2534C M40A
80HM2534C M60A
150HM2535C M150A
M-25A-C3.6200HM2535C M200A
300HM2535C M300A
400HM2536C M400A
40HM5064C M40A
80HM5065C M60A
100HM5065C M100A
7.2150HM5065C M150A
200HM5066C M200A
20HVG73-KA G20A
30HVG73-KA G30A
40HVG73-KA G40A
SGT-50-K / SGT-50-KA50HVG73-KA G50A
60HVG73-KA G60A
75HVG73-KA G75A
100HVG73-KA G100A
Hitachi Discontinued ModelsUtsunomiya Electric Replacement Models
ModelRated Voltage (kV)Rated Current (A)Replacement Model
M-25A3.640HM2534A M40A
80HM2534A M60A
HM2534A M100A
150HM2535A M150A
200HM2535A M200A
300HM2535A M300A
400HM2536A M400
7.240HM5064A M40A
80HM5065A M60A
100HM5065A M100A
150HM5065A M150A
200HM5066A M200A
M-25A-C3.640HM2534C M40A
80HM2534C M60A
HM2534C M100A
150HM2535C M150A
200HM2535C M200A
300HM2535C M300A
400HM2536C M400A
7.240HM5064C M40A
80HM5065C M60A
100HM5065C M100A
150HM5065C M150A
200HM5066C M200A
SGT-50-K
SGT-50-KA
7.2/3.620HVG73-KA G20A
30HVG73-KA G30A
40HVG73-KA G40A
50HVG73-KA G50A
60HVG73-KA G60A
HVG73-KA G75A
HVG73-KA G100A

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