Hikari Shoko Co., Ltd.'s Company Profile and Products

This is a ground fault directional relay mainly used for single circuits. Zero-sequence voltage and zero-sequence current can b...

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Mainly used for branch circuits. Detects zero-sequence current. Voltage elements are supplied by LDG-73/83 series or LVG-7/8 se...

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This is a ground fault directional relay mainly used for single circuits. Zero-sequence voltage and zero-sequence current can b...

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• Safety Devices

Mainly used for branch circuits. Detects zero-sequence current. Voltage elements are supplied by LDG-73/83 series or LVG-7/8 se...

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ZPC-9B uses a combination of three insulator capacitors EPD-2A and a transformer CF-71A to detect zero-sequence voltage and sup...

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Used in conjunction with an earth ground transformer (EVT). Use with LDG-73V/83V or LVG-7V/8V. CF-107V is for EVT/190V, CF-107A...

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The LDG-21B/21BN is a replacement for the multi-circuit ground fault directional relay LDG-11/11D/11DN (discontinued product), ...

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This is a ground fault directional relay mainly used in the main circuit. Detects zero-sequence current and zero-sequence volta...

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This is a ground fault directional relay used in branch circuits. Detects zero-sequence current. Zero-sequence voltage signal i...

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This is a ground fault directional relay mainly used for single circuits. Zero-sequence voltage and zero-sequence current can b...

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• Safety Devices

This is a ground fault voltage relay. The detected voltage element is supplied to the LDG-71/81 series as an MN signal. ■Featu...

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This is a ground fault voltage relay. The detected voltage element is supplied to the LDG-71/81 series as an MN signal. ■Featu...

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JIS C 4609 Ground fault directional relay equipment for high voltage power receiving equipment When connecting solar power gene...

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LVG-2B/2C is a multi-circuit ground fault directional relay LDG-11/11D/11DN (discontinued product) or LDG-21B/ 21BN, and zero-p...

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■Features ・The inside of the relay has a plug-in structure. - Highly noise resistant, with the ability to be unaffected by rad...

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■Features ・The inside of the relay has a plug-in structure. - Highly noise resistant, with the ability to be unaffected by rad...

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■Features - Designed to be unaffected by noise such as radio waves and surges, and has high noise resistance. - Compact and lig...

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■Features - Designed to be unaffected by noise such as radio waves and surges, and has high noise resistance. - Compact and lig...

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■Features - Has high noise resistance and is not easily affected by noise such as radio waves and surges. ・Please select the z...

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Protects high voltage circuits from overcurrent caused by short circuits and overloads. ■Features ・Four time-limiting charact...

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Protects high voltage circuits from overcurrent caused by short circuits and overloads. ■Features ・Four time-limiting charact...

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■Features ・A microcomputer is used in the electronic circuit. - High reliability as it has a self-diagnosis function. ・You ca...

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■Features ・A microcomputer is used in the electronic circuit. - High reliability as it has a self-diagnosis function. ・You ca...

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Performs circuit breaker tripping operation ■Features ・Compliant with JIS C 4603. -Small and lightweight compared to batterie...

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If an isolation transformer is used at the power receiving end of a private consumer, a ground fault relay is installed to dete...

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■For current trip method Models with voltage tripping methods such as LDG-71/73, LEG-107/108, LEG-109, LEG-192 are replaced wit...

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LIG-2 uses a switching type of Igr/Ior detection method for the insulation condition monitoring section, and an Ior detection m...

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The insulation monitoring voltage device (LNV-1B) is a device that generates a reference voltage signal (20Hz, 10V) for monitor...

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The Ior detection method is adopted for insulation condition monitoring and earth leakage monitoring. Based on the zero-sequenc...

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This is an 8-circuit type Ior detection type insulation condition monitoring device. In addition to having the same functions a...

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Earth leakage relay that can avoid overloading in low-voltage direct grounding circuits The Ior detection method separates and...

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■Features This exploration device detects the Igr (I・G・R) value of the electric circuit equipped with the LIG type insulation...

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• Zero Flux Current Transformers

■Summary In recent years, electrical equipment has been using conventional corrective maintenance (BM) and preventive maintenan...

Constantly monitors the insulation condition of low-voltage ungrounded electrical circuits. ■Features ・Protection of unground...

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• Insulation Monitors

Constantly monitors the insulation condition of low-voltage ungrounded electrical circuits. ■Features ・Protection of unground...

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• Insulation Monitors

Constantly monitors the insulation condition of low-voltage ungrounded electrical circuits. ■Features ・Protection of unground...

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• Insulation Monitors

■Detects any insulation degradation that occurs in low-voltage ungrounded electrical circuits. Low-voltage ungrounded electrica...

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• Insulation Monitors

■Detects any insulation degradation that occurs in low-voltage ungrounded electrical circuits. Low-voltage ungrounded electrica...

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• Insulation Monitors

Detects electrical leakage in low voltage AC circuits. ■Features - Compliant with JIS C 8374. ・It is a harmonic countermeasur...

• Relays

• Earth Leakage Relays

Detects electrical leakage in low voltage AC circuits. ■Features - Compliant with JIS C 8374. ・It is a harmonic countermeasur...

• Relays

• Earth Leakage Relays

Detects electrical leakage in low voltage AC circuits. ■Features - Compliant with JIS C 8374. ・It is a harmonic countermeasur...

• Relays

• Earth Leakage Relays

Detects electrical leakage in low voltage AC circuits. ■Features - Compliant with JIS C 8374. - Compact and easy to install, d...

• Relays

• Earth Leakage Relays

This is an earth leakage relay that can display measured values. ■Features - Compliant with "JIS C 8374 Earth Leakage Relay". ...

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• Earth Leakage Relays

■JIS C 8374 earth leakage relay (earth leakage relay) standard compliant product This product is a relay that cuts off the elec...

• Relays

• Earth Leakage Relays

■JIS C 8374 earth leakage relay (earth leakage relay) standard compliant product This product is a relay that cuts off the elec...

• Relays

• Earth Leakage Relays

■JIS C 8374 earth leakage relay compliant product - Only the unit part of the relay is compacted and has a plug-in structure, s...

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• Earth Leakage Relays

■Reliable earth leakage monitoring with two-stage alarm and measurement display ・Compliant with JIS C 8374 earth leakage relay...

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• Earth Leakage Relays

■JIS C 8374 earth leakage relay compliant product - Only the unit part of the relay is compacted and has a plug-in structure, s...

• Relays

• Earth Leakage Relays

■JIS C 8374 earth leakage relay compliant product Significantly lighter and smaller than conventional models. The LSG-205W allo...

• Relays

• Earth Leakage Relays

■JIS C 8374 earth leakage relay compliant product Significantly lighter and smaller than conventional models. The LSG-205W allo...

• Relays

• Earth Leakage Relays

■JIS C 8374 earth leakage relay compliant product Significantly lighter and smaller than conventional models. The LSG-205W allo...

• Relays

• Earth Leakage Relays

■Features -The front lid is made of transparent acrylic resin. ・There are two models: one for 10 circuits and one for 5 circui...

• Relays

• Earth Leakage Relays

■Features -The front lid is made of transparent acrylic resin. ・There are two models: one for 10 circuits and one for 5 circui...

• Relays

• Earth Leakage Relays

Detects earth leakage in two stages for up to 5 circuits ■Features - Conforms to "JIS C 8374 Earth Leakage Relay". ・Ground fa...

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• Earth Leakage Relays

■Features ・There are two models: one for 6 circuits and one for 10 circuits. - The detection unit and space unit are plug-in t...

• Relays

• Earth Leakage Relays

■Features ・There are two models: one for 6 circuits and one for 10 circuits. - The detection unit and space unit are plug-in t...

• Relays

• Earth Leakage Relays

■Earth leakage fire alarm The Fire Service Act establishes standards for earth leakage fire alarms as one of the "firefighting ...

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■Earth leakage fire alarm The Fire Service Act establishes standards for earth leakage fire alarms as one of the "firefighting ...

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If an isolation transformer is used at the power receiving end of a private consumer, a ground fault relay is installed to dete...

■Ground fault voltage relay device for low voltage ungrounded circuits This is a ground-fault directional relay device that is ...

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• Voltage Relays

■Features ・Can protect DC ungrounded circuits of 750V DC or less. - Sensitivity setting is a 3-point sliding switch (10-15-20m...

• Relays

• Earth Leakage Relays

■Features ・Constant monitoring of insulation resistance of DC non-grounded circuits - Operates by selecting the smaller insula...

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• Insulation Monitors

■Features ・Constant monitoring of insulation resistance of DC non-grounded circuits - Operates by selecting the smaller insula...

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• Insulation Monitors

■Features ・Constant monitoring of insulation resistance of DC non-grounded circuits - Operates by selecting the smaller insula...

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• Insulation Monitors

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

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• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

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• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

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• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

• Safety Devices

• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

• Safety Devices

• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

• Safety Devices

• Zero Flux Current Transformers

■Features of zero-phase current transformer - We have a wide variety of models for low pressure and high pressure, so you can c...

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• Zero Flux Current Transformers

What is an isolation system? ■ Power supply peripheral equipment that stably and safely supplies electricity to medical rooms w...

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• Insulation Monitors

What is an isolation system? ■ Power supply peripheral equipment that stably and safely supplies electricity to medical rooms w...

■Prevents power outages due to overuse of electricity in medical rooms. Protects the power supply in medical settings where hig...

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• Alarm Controls