New-FM exterior accessory operation prevention device

Introduction of the New-FM Fully Electromagnetic Circuit Breaker with External Accessories by Nichiko Electric Manufacturing Co., Ltd.

last updated Nov 13, 2026

DM30(DM32・DM33) DM50(DM52 DM53)

Since it is a completely electromagnetic circuit breaker, it has operating characteristics that are not affected by surrounding temperature! Immediate re-energization after tripping is possible! Fine ratings can be selected from low currents!

last updated Nov 13, 2026

NY30A Series / MNY30AM Series

Because it's the fully electromagnetic breaker New-FM from Nichi-Ko Electric Works, it is 【not affected by ambient temperature!】【immediate re-energization is possible!】

last updated Nov 13, 2026

Nichiyou Electric Manufacturing Co., Ltd. Wiring Circuit Breakers, Protectors, and Ground Fault Circuit Breakers - Various Circuit Breakers

Our group company, Nikkou Electric Manufacturing Co., Ltd., is a manufacturer of fully electromagnetic circuit breakers (wiring circuit breakers), protectors, leakage circuit breakers, and electronic application devices.

last updated Nov 13, 2026

Nichiyu Electric Manufacturing Co., Ltd. New FM Circuit Breaker Leakage Current Protector Catalog

Standardization and miniaturization of wiring circuit breakers and residual current devices! We are pursuing ease of use!

last updated Nov 13, 2026

Nichiyu Electric Manufacturing Co., Ltd. Complete Electromagnetic Type FM Leakage Circuit Breaker Product Catalog

Also featuring auxiliary devices and related products! Introducing the leakage circuit breakers handled by our company!

last updated Nov 13, 2026

Nihon Kōdenki Seisakusho Circuit Protector Equipment Protection Circuit Breaker Comprehensive Catalog

For the protection of various devices! Introducing a reliable compact circuit breaker that uses a fully electromagnetic design.

last updated Nov 13, 2026

Nichiyu Electric Manufacturing Co., Ltd. Complete Electromagnetic FM Circuit Breaker Product Catalog

Nihon Kōsokudō's fully electromagnetic circuit breaker FM circuit breaker.

last updated Nov 13, 2026

NY50A Series / MNY50A Series

The NY50A series (NY52A / NY53A) and MNY50A series (MNY53A) are fully electromagnetic circuit breakers for wiring rated at 50AF.

last updated Nov 13, 2026

NS30AB NS30A MNS30AB MNS30A series

In the midst of the fervent atmosphere, unwavering calmness. A completely electromagnetic breaker that is not swayed by the surrounding temperature!

last updated Nov 13, 2026

NS50A NS50AH MNS50A MNS50AH series

50AF (Ampere Frame) circuit breaker for wiring in the New-FM series of fully electromagnetic breakers by Nichiyu Electric Manufacturing Co., Ltd.

last updated Nov 13, 2026

NH50A MNH50A Series

The New-FM series from Nichiko Electric is a fully electromagnetic circuit breaker that uses an electromagnetic coil and a cylinder (dashpot) filled with silicone oil.

last updated Nov 13, 2026

NY60A MNY60A Series

[2023 Discontinued Product] [Replacement] Fully Electromagnetic Circuit Breaker 'New-FM Series NY60A / MNY60A'

last updated Nov 13, 2026

NS60A NS60AH MNS60A MNS60AH series

[Discontinued Product] [Replacement Product] Fully Electromagnetic Circuit Breaker 'New-FM Series NS60A NS60AH MNS60A MNS60AH'

last updated Nov 13, 2026

NY100A MNY100A Series

For the harsh internal environment of high-capacity lines. Fully electromagnetic 100AF wiring circuit breaker 'New-FM Series NY100A / MNY100A'.

last updated Nov 13, 2026

NS100A MNS100A series

No malfunction even at high temperatures inside the panel. Fully electromagnetic 100AF wiring circuit breaker 'New-FM Series NS100A / MNS100A'.

last updated Nov 13, 2026

NS100AH Series MNS100AH Series

Nichiyu Electric Manufacturing Co., Ltd. Complete Electromagnetic Circuit Breaker for Wiring (MCCB) New-FM Series 100AF 'NS100AH / MNS100AH'

last updated Nov 14, 2026

NY225A Series MNY225A Series

No characteristic variation due to ambient temperature changes! A fully electromagnetic 225AF breaker that supports everything from general circuits (NY) to motor protection (MNY).

last updated Nov 14, 2026

EM30B Series EM50B Series

No characteristic variation due to changes in ambient temperature! A completely electromagnetic leakage circuit breaker that reliably protects against overcurrent, short circuits, and ground faults (leakage) with just one unit.

last updated Nov 14, 2026

EY30A EY50A MEY30A MEY50A series

No characteristic variation due to ambient temperature changes! A complete electromagnetic leakage circuit breaker (30AF, 50AF) equipped for general circuits (EY) and motor protection (MEY).

last updated Nov 14, 2026