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  5. Circuit breakers and switches
  6. Nichiko Electric Manufacturing Co., Ltd. Circuit breakers for railway vehicle wiring and circuit breakers for railway signal wiring.

Nichiko Electric Manufacturing Co., Ltd. Circuit breakers for railway vehicle wiring and circuit breakers for railway signal wiring.

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Nikko Electric Manufacturing Co., Ltd.

last updated:Oct 10, 2026

日幸電機 日幸電機サテライト ★ アキバ( 東京都/秋葉原/神田/岩本町)
日幸電機 日幸電機サテライト ★ アキバ( 東京都/秋葉原/神田/岩本町)
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Circuit breakers for railway vehicles and small circuit breakers for railway signals.

- Circuit breaker DB20Z type for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) Lightweight / Reduced man-hours / Rail mounting - Circuit breaker DB_G type TR (intermediate trip) specification for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) Reduced cause investigation time - Plug-in circuit breaker P type (1 pole 1 element) for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Reduced replacement time / Tool-free replacement / Reduced working time - The dual system circuit breaker for signal wiring can avoid sudden power outages caused by transient factors such as inrush current and shocks (Nikko Electric Manufacturing Co., Ltd.) - Product specifications for circuit breakers A, P, W, S, (TA) type for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Circuit breakers used in motion device pull-in frames and signal equipment boxes - Product specifications for circuit breakers BS type & MSK type for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Compliant with the former National Railways standard JRS33306

    Distribution BoardBoard materialsCircuit breakers and switches
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Nichiko Electric Manufacturing Co., Ltd. Circuit breakers for railway vehicle wiring and circuit breakers for railway signal wiring.

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  • Related Link - https://www.nikkodenki.com/products/nikkobreaker/n…
  • Special site - Product/service details - https://pr.mono.ipros.com/nikkodenki_watari/produc…

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- Circuit breaker DB20Z type for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) Lightweight / Reduced labor hours / Rail mounting - Circuit breaker DB_G type TR (intermediate trip) specification for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) Reduced time for cause investigation - Plug-in circuit breaker P type (1 pole, 1 element) for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Reduced replacement time / Tool-free replacement / Reduced work time - The dual system circuit breaker for signal wiring can avoid sudden power outages caused by transient factors such as inrush current and shocks (Nikko Electric Manufacturing Co., Ltd.) - Product specifications for circuit breakers A, P, W, S, (TA) type for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Circuit breakers used in motion device pull-in frames and signal equipment boxes - Product specifications for circuit breakers BS type & MSK type for railway signal wiring (Nikko Electric Manufacturing Co., Ltd.) Compliant with the former National Railways standard JRS33306

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Applications/Examples of results

For railway vehicles For railway signals

catalog(21)

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DB_G type TR (intermediate trip) circuit breaker for railway vehicle wiring (manufactured by Nikkou Electric Co., Ltd.) reduction of cause investigation time.

DB_G type TR (intermediate trip) circuit breaker for railway vehicle wiring (manufactured by Nikkou Electric Co., Ltd.) reduction of cause investigation time.

TECHNICAL
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Plugin railway signal wiring circuit breaker P type (1 pole 1 element) (Nikko Electric Manufacturing Co., Ltd.) Reduced replacement time / tool-free replacement / reduced work time

Plugin railway signal wiring circuit breaker P type (1 pole 1 element) (Nikko Electric Manufacturing Co., Ltd.) Reduced replacement time / tool-free replacement / reduced work time

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The circuit breaker for signal wiring in a dual system can avoid sudden power outages caused by transient factors such as inrush current and surges (Nikko Electric Manufacturing Co., Ltd.).

The circuit breaker for signal wiring in a dual system can avoid sudden power outages caused by transient factors such as inrush current and surges (Nikko Electric Manufacturing Co., Ltd.).

TECHNICAL
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Specifications for Circuit Breakers A, P, W, S (TA) Type for Railway Signal Wiring (Manufactured by Nikkou Electric Manufacturing Co., Ltd.) Circuit breakers used in the motion device pull-in frame and within signal equipment boxes.

Specifications for Circuit Breakers A, P, W, S (TA) Type for Railway Signal Wiring (Manufactured by Nikkou Electric Manufacturing Co., Ltd.) Circuit breakers used in the motion device pull-in frame and within signal equipment boxes.

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Specifications for BS and MSK type circuit breakers for railway signal wiring (manufactured by Nikkou Electric Co., Ltd.) conforming to the former National Railways standard JRS33306.

Specifications for BS and MSK type circuit breakers for railway signal wiring (manufactured by Nikkou Electric Co., Ltd.) conforming to the former National Railways standard JRS33306.

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Standard type circuit breaker "DB" for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.)

Standard type circuit breaker "DB" for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.)

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DB20Z type circuit breaker for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) lightweight / reduced man-hours / rail mounting /

DB20Z type circuit breaker for railway vehicle wiring (Nikko Electric Manufacturing Co., Ltd.) lightweight / reduced man-hours / rail mounting /

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Nikko Electric Manufacturing Co., Ltd. Surge Protective Device Separator (SPD Separator) DSP103A [Nikko Electric Co., Ltd., a transformer manufacturer in Miyagi Prefecture]

Nikko Electric Manufacturing Co., Ltd. Surge Protective Device Separator (SPD Separator) DSP103A [Nikko Electric Co., Ltd., a transformer manufacturer in Miyagi Prefecture]

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Regarding the discontinuation of the production of leakage circuit breakers EM33B and EM53B with a rated sensitivity current of 15mA (Nikko Electric Manufacturing Co., Ltd.)

Regarding the discontinuation of the production of leakage circuit breakers EM33B and EM53B with a rated sensitivity current of 15mA (Nikko Electric Manufacturing Co., Ltd.)

OTHER
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Notice of discontinuation of single-phase 3-wire neutral line missing phase protection leakage circuit breaker (Nikko Electric Manufacturing Co., Ltd.)

Notice of discontinuation of single-phase 3-wire neutral line missing phase protection leakage circuit breaker (Nikko Electric Manufacturing Co., Ltd.)

OTHER
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Notice of Production Termination for 60A Frame (Nikko Electric Manufacturing Co., Ltd.)

Notice of Production Termination for 60A Frame (Nikko Electric Manufacturing Co., Ltd.)

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Notice of discontinuation of production for (M)ES33AB, (M)EY33A, (M)EY53A rated sensitivity current 15mA products (Nikko Electric Manufacturing Co., Ltd.)

Notice of discontinuation of production for (M)ES33AB, (M)EY33A, (M)EY53A rated sensitivity current 15mA products (Nikko Electric Manufacturing Co., Ltd.)

OTHER
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Notice of Production Termination for Circuit Protectors IMC-1 and IMC-2 (Nikko Electric Manufacturing Co., Ltd.)

Notice of Production Termination for Circuit Protectors IMC-1 and IMC-2 (Nikko Electric Manufacturing Co., Ltd.)

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Notice of discontinuation of Y30B models (Y32B, Y33B, MY32B, MY33B, Y32B-NT, Y33B-NT) (Nikko Electric Manufacturing Co., Ltd.)

Notice of discontinuation of Y30B models (Y32B, Y33B, MY32B, MY33B, Y32B-NT, Y33B-NT) (Nikko Electric Manufacturing Co., Ltd.)

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Notice of Production Termination for EY63A (Nikko Electric Manufacturing Co., Ltd.)

Notice of Production Termination for EY63A (Nikko Electric Manufacturing Co., Ltd.)

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Nikko Electric Manufacturing Co., Ltd. New-FM Circuit Breaker (Wiring Circuit Breaker and Earth Leakage Circuit Breaker) Fully Electromagnetic Breaker

Nikko Electric Manufacturing Co., Ltd. New-FM Circuit Breaker (Wiring Circuit Breaker and Earth Leakage Circuit Breaker) Fully Electromagnetic Breaker

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Nikko Electric Manufacturing Co., Ltd. Company Profile Complete Electromagnetic Circuit Breakers, Earth Leakage Circuit Breakers, Circuit Protectors Transmaker Nikko Electric Co., Ltd.

Nikko Electric Manufacturing Co., Ltd. Company Profile Complete Electromagnetic Circuit Breakers, Earth Leakage Circuit Breakers, Circuit Protectors Transmaker Nikko Electric Co., Ltd.

COMPANY
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Nikko Electric Manufacturing Co., Ltd. Circuit Protector General Catalog [Nikko Electric Co., Ltd., a transformer manufacturer in Miyagi Prefecture]

Nikko Electric Manufacturing Co., Ltd. Circuit Protector General Catalog [Nikko Electric Co., Ltd., a transformer manufacturer in Miyagi Prefecture]

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Nikko Electric Manufacturing Co., Ltd. Complete Electromagnetic Leakage Circuit Breaker FM Leakage Circuit Breaker (ELCB) Product Catalog

Nikko Electric Manufacturing Co., Ltd. Complete Electromagnetic Leakage Circuit Breaker FM Leakage Circuit Breaker (ELCB) Product Catalog

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Nisshō Electric Manufacturing Co., Ltd. Complete Electromagnetic Circuit Breaker FM Circuit Breaker Product Catalog (Wiring Circuit Breaker MCCB)

Nisshō Electric Manufacturing Co., Ltd. Complete Electromagnetic Circuit Breaker FM Circuit Breaker Product Catalog (Wiring Circuit Breaker MCCB)

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Advanced motor maintenance for you.

Advanced motor maintenance for you.

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News about this product(1)

We will exhibit at TECHNO FRONTIER 2026, the 41st Power System Exhibition at Tokyo Big Sight!

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We are pleased to announce that our company will be exhibiting at the "TECHNO FRONTIER 2026 41st Power System Exhibition," which will be held at Tokyo Big Sight from July 15 (Wednesday) to July 17 (Friday). We understand that you may be busy, but we sincerely hope you will take this opportunity to visit our booth. Exhibition: "TECHNO FRONTIER 2026 41st Power System Exhibition" (https://www.jma.or.jp/tf/) Date: July 15 (Wednesday) to July 17 (Friday), 2026 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, West Exhibition Hall Booth No.: West Hall 1 [1-W26]

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Companynews list (24)

Company information

日幸電機

日幸電機 日幸電機サテライト ★ アキバ( 東京都/秋葉原/神田/岩本町)

Industrial Electrical Equipment

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Nikko Electric's new base, Satellite Akiba (Tokyo, Akihabara), opened in February 2024. We aim to create a facility that connects not only sales but also factory technology and the web, allowing us to propose the most optimal transformers in real-time! If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikko Electric. We will propose the best transformers through discussions with our customers.

Product/Service List (146)

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