Nichiyu Electric Manufacturing Co., Ltd. New FM Circuit Breaker Leakage Current Protector Catalog
Nikko Electric Manufacturing Co., Ltd. (Fully Electromagnetic Circuit Breakers / Earth Leakage Circuit Breakers / Circuit Protectors) Nikko Electric (Transformers / Reactors / Coils)
Standardization and miniaturization of wiring circuit breakers and residual current devices! We are pursuing ease of use!
This catalog features the circuit breakers and residual current devices 'New-FM' with ratings from 30 to 225AF (2-pole and 3-pole models). Our product employs a fully electromagnetic mechanism, which is superior in principle and does not use thermal operating elements such as bimetals for its overcurrent release device. It has many features. We introduce features, operating principles, characteristics, and more, so please use this information for product selection. [Contents] ■1. Overview ■2. Characteristics ■3. Installation and Connection ■4. Accessories ■5. Specifications by Type, Outer Dimensions ■6. Appendix *For more details, please refer to the PDF document or feel free to contact us.
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basic information
【Features】 ■ Adopts a fully electromagnetic design ■ Contributes to labor-saving in panel design and manufacturing ■ Economically compatible with various equipment through a wide range of models ■ Responds to user needs *For more details, please refer to the PDF document or feel free to contact us.
Price range
Delivery Time
Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
Line up（80）
| Model number | overview |
|---|---|
| DM30 Series (DM32, DM33) DM50 Series (DM52, DM53) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/24/100000 |
| NY30A series (NY32A NY33A) MNY30A series (MNY32A MNY33A) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/25/100000 |
| NS30AB(NS32AB NS33AB) NS30A(NY32A NS33A)MNS30AB(MNS33AB)MNS30A(MNS33A) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/26/100000 |
| NY50A Series (NY52A NY53A) MNY50A Series (MNY53A) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/27/100000 |
| NS50A(NS52A NS53A) NS50AH(NS52AH NS53AH) MNS50A(MNS53A) MNS50AH(MNS53AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/28/100000 |
| NS50AU(NS52AU NS53AU) MNS50AU(MNS53AU) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/29/100000 |
| NH50A(NH52A NH53A) MNH50A(MNH53A) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/30/100000 |
| NY60A(NY62A NY63A) MNY60A(MNY63A) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/31/100000 |
| NS60A(NS62A NS63A) NS60AH(NS62AH NS63AH) MNS60A(MNS63A) MNS60AH(MNS63AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/01/100000 |
| NY100A(NY102A NY103A) MNY100A(MNY103A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/02/100000 |
| NS100A(NS102A NS103A) MNS100A(MNS103A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/03/100000 |
| NS100AH(NS102AH NS103AH) MNS100AH(MNS103AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/04/100000 |
| NY225A(NY202A NY203A) MNY225A(MNY203A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/05/100000_1 |
| NS225AH(NS202AH NS203AH) MNS200AH(MNS203AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/06/100000 |
| New-FM Leakage Circuit Breaker EM30B (EM32B EM33B) EM50B (EM52B EM53B) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/07/100000 |
| New-FM Leakage Circuit Breaker EY30A (EY32A EY33A) EY50A (EY52A EY53A) MEY30A (MEY33A) MEY50A (MEY53A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/08/100000 |
| New-FM Leakage Circuit Breaker ES30AB (ES32AB ES33AB) ES30A (ES32A ES33A) MES30AB MES30A | https://nikkomccbelcb.hateblo.jp/entry/2025/02/09/100000 |
| New-FM Leakage Circuit Breaker ES50A (ES52A ES53A) ES50AH (ES53AH) MES50A (MES53A) MES50AH (MES53AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/10/100000 |
| New-FM Leakage Circuit Breaker EY60A(EY63A) MEY60A(MEY63A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/11/100000 |
| New-FM Leakage Circuit Breaker ES60A(ES63A) ES60AH(ES63AH) MES60A(MES63A) MES60AH(MES63AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/12/100000 |
| New-FM Leakage Circuit Breaker EY100A(EY103A) MEY100A(MEY103A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/21/000000 |
| New-FM Leakage Circuit Breaker ES100A(ES103A) MES100A(MES103A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/13/100000 |
| New-FM Leakage Circuit Breaker ES100AH(ES103AH) MES100AH(MES103AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/14/100000 |
| New-FM Leakage Circuit Breaker EY225A(EY203A) MEY225A(MEY203A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/15/100000 |
| New-FM Leakage Circuit Breaker ES225A(ES203A) MES225A(MES203A) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/16/100000 |
| New-FM Leakage Circuit Breaker ES225AH(ES203AH) MES225AH(MES203AH) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/17/100000 |
| New-FM Wiring Circuit Breaker Ordering Method (New-FM Circuit Breaker) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/20/100000 |
| New-FM Wiring Breaker Mounting Screw Size List | https://nikkomccbelcb.hateblo.jp/entry/2025/02/18/100000 |
| New-FM Wiring Breaker Handle Dimensions and Operating Angle | https://nikkomccbelcb.hateblo.jp/entry/2025/02/19/100000 |
| Nihon Kōdenki Seisakusho: Realization of the same external shape for New-FM FM circuit breakers and FM residual current devices. | https://nikkomccbelcb.hateblo.jp/entry/2024/12/03/000000 |
| Features of New-FM by Nichiko Electric Manufacturing Co., Ltd. (Common Items) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/04/195921 |
| Operating principle and features of Nisshō Electric Manufacturing's fully electromagnetic circuit breaker. Not affected by ambient temperature; immediate re-energization possible; rated current can be freely selected; special characteristics can be manufactured. | https://nikkomccbelcb.hateblo.jp/entry/2024/12/05/182836 |
| Nisshō Electric Manufacturing's fully electromagnetic circuit breaker contributes to labor-saving in panel design and production! | https://nikkomccbelcb.hateblo.jp/entry/2024/12/06/140000 |
| Nichiyu Electric Manufacturing's breakers are economically compatible with all types of equipment, offering a wide range of models! The rated current ranges from 0.5A to the world's largest capacity of 5000A! The rated interrupting capacity is up to 170kA at AC220V and 125kA at AC460V. | https://nikkomccbelcb.hateblo.jp/entry/2024/12/07/000000 |
| Nichiyu Electric Manufacturing's breakers respond to user needs! Utilizing the features of fully electromagnetic types, we manufacture breakers suitable for their intended purposes! | https://nikkomccbelcb.hateblo.jp/entry/2024/12/08/100000 |
| Operating principle of the completely electromagnetic breaker from Nichiko Electric Manufacturing Co., Ltd. Normal load condition, overload, short circuit, initial overload state, overload tripping state, short circuit tripping state. | https://nikkomccbelcb.hateblo.jp/entry/2024/12/09/120000 |
| Nihon Kōsokudō's breaker: Principle of operation of the fully electromagnetic breaker (normal load state → initial overload state → overload tripping state) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/10/100000 |
| Nisshō Electric Manufacturing's breaker: Fully electromagnetic breaker operating principle (normal load state → short circuit → short circuit interruption state) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/11/100000 |
| Structure of the New-FM Circuit Breaker (Arc Extinguishing Device, Contacts, Switching Mechanism, Handle, Trip Button, Overcurrent Release Device, Terminals, Base Cover) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/12/100000 |
| New = Structure of FM leakage circuit breaker (arc extinguishing device, sensitivity current switching switch, operation time switching switch, ZCT, etc.) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/13/100000 |
| Features of New-FM Leakage Circuit Breaker Part 1 | https://nikkomccbelcb.hateblo.jp/entry/2024/12/14/100000 |
| Features of New-FM Leakage Circuit Breaker Part 2 | https://nikkomccbelcb.hateblo.jp/entry/2024/12/15/100000 |
| Features of New-FM Leakage Circuit Breaker Part 3 | https://nikkomccbelcb.hateblo.jp/entry/2024/12/16/100000 |
| Operating principle of New-FM leakage circuit breaker | https://nikkomccbelcb.hateblo.jp/entry/2024/12/17/100000 |
| Characteristics of motor breakers (for motor protection and dual use) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/18/100000 |
| Transformer protection breaker (Characteristic symbol: P) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/19/100000 |
| Short-time delay circuit breaker (Characteristic symbol: G) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/20/100000 |
| Instantaneous External Trip Breaker (IT) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/21/100000 |
| No Trip Switch (NT) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/22/100000 |
| Type of mounting connection ~ Surface type (for crimping and bar terminals) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/23/100000 |
| Type of installation connection ~ Back surface shape (round stud) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/24/100000 |
| Type of installation connection ~ Rear surface type (bar stat) | https://nikkomccbelcb.hateblo.jp/entry/2024/12/25/100000 |
| Type of installation connection ~ Embedded type (round stud) commonly used in distribution boards! | https://nikkomccbelcb.hateblo.jp/entry/2024/12/26/100000 |
| Type of installation connection ~ Embedded type (bus duct*) commonly used in distribution boards! | https://nikkomccbelcb.hateblo.jp/entry/2024/12/27/100000 |
| New-FM Suitable Crimp Terminal List | https://nikkomccbelcb.hateblo.jp/entry/2024/12/28/100000 |
| New-FM crimp terminals and copper strip connection terminal tightening torque | https://nikkomccbelcb.hateblo.jp/entry/2024/12/29/100000 |
| New-FM Arc Space Gas Space Above the Circuit Breaker's Gas Discharge Hole | https://nikkomccbelcb.hateblo.jp/entry/2024/12/30/100000 |
| Relationship between New-FM Mounting Angle and Withdrawal Characteristics | https://nikkomccbelcb.hateblo.jp/entry/2024/12/31/100000 |
| New-FM Interior Accessories | https://nikkomccbelcb.hateblo.jp/entry/2025/01/01/100000 |
| New-FM Internal Accessory Device Ratings: Auxiliary Switch (Abbreviation: HC, HCG) Operation and Terminal Numbers, Ratings of Auxiliary Switches. | https://nikkomccbelcb.hateblo.jp/entry/2025/01/03/100000 |
| New-FM Internal Accessory Device Rated Voltage Disconnect Device (Continuous Rated CVH Short-Time Rated CV Terminal Number) Rated Voltage Excitation Current | https://nikkomccbelcb.hateblo.jp/entry/2025/01/04/100000 |
| New-FM Internal Accessory Device Ratings Leakage Circuit Breaker Alarm Switch (Abbreviation: EKC) Operation and Terminal Numbers, Ratings | https://nikkomccbelcb.hateblo.jp/entry/2025/02/05/100000 |
| New-FM Internal Accessory Device Rating Insufficient Voltage Release Coil Excitation Current | https://nikkomccbelcb.hateblo.jp/entry/2025/01/06/100000 |
| New-FM Internal Accessory Combination Table - Circuit Breaker for Wiring | https://nikkomccbelcb.hateblo.jp/entry/2025/01/07/100000 |
| New-FM Internal Accessory Combination Table - Leakage Circuit Breaker | https://nikkomccbelcb.hateblo.jp/entry/2025/01/08/100000 |
| New-FM terminal board and terminal block mounting dimensions (optional) surface type and rear type terminal board (abbreviation: TNP) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/09/100000 |
| New-FM terminal board and terminal block mounting dimensions (optional) rear terminal block TND | https://nikkomccbelcb.hateblo.jp/entry/2025/01/10/100000 |
| New-FM accessory lead wire extraction method specifications with terminal board and terminal block. | https://nikkomccbelcb.hateblo.jp/entry/2025/01/11/100000 |
| New-FM Exterior Accessory Device Operation Prevention Device (Abbreviation: TB) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/12/100000 |
| New-FM Exterior Accessory Device External Operation Mechanism (Abbreviation: GS) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/13/100000 |
| New-FM exterior accessory device external operation mechanism GS-232 GS-332 | https://nikkomccbelcb.hateblo.jp/entry/2025/01/14/100000 |
| New-FM External Accessory Terminal Cover (Abbreviation: TNC) Selection List | https://nikkomccbelcb.hateblo.jp/entry/2025/01/15/100000 |
| New-FM exterior accessory device mechanical interlock device (abbreviation: INT) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/16/100000 |
| New-FM exterior accessory connection conductor (abbreviation: SD) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/17/100000 |
| New-FM Exterior Accessory Mechanical Interlock Device Dimension Change Table (Front Shape, Back Shape) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/18/100000 |
| New-FM Exterior Accessory Mechanical Interlock Device Dimension Change Table (Embedded Type) | https://nikkomccbelcb.hateblo.jp/entry/2025/01/19/100000 |
| New-FM Accessories List | https://nikkomccbelcb.hateblo.jp/entry/2025/01/20/100000 |
| New-FM installation and connection | https://nikkomccbelcb.hateblo.jp/entry/2025/01/21/100000 |
| Fully Electromagnetic Circuit Breaker Characteristics | https://nikkomccbelcb.hateblo.jp/entry/2025/01/22/100000 |
| Overview of the New-FM Series Complete Electromagnetic Breaker by Nichiko Electric Manufacturing Co., Ltd. | https://nikkomccbelcb.hateblo.jp/entry/2025/01/23/100000 |
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News about this product（2）
Company information
The booth for the TECHNO-FRONTIER2025 Power System Exhibition has been announced. The Nikkō Electric booth is [4-F36]. Exhibition: "TECHNO-FRONTIER2025 Power System Exhibition" Date: July 23 (Wednesday) to July 25 (Friday), 2025 Time: 10:00 AM to 5:00 PM Location: Tokyo Big Sight, West Exhibition Hall Booth: [4-F36] We look forward to connecting with many of you this year as well. Please be sure to stop by our booth! ☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆★☆☆☆☆ As the general agent for floor heating systems and snow melting systems, we respond to diverse needs not only in general residences throughout Tohoku but also in welfare facilities and public institutions, with the latest system variations and comprehensive total support. You can experience comfortable warmth from the morning with heat stored overnight. The "storage heating floor heating system," which utilizes nighttime electricity, is economical and represents the ideal system of warm feet and a cool head. Since it does not use any fire indoors and does not require space for heating equipment, it is perfect for nurseries, kindergartens, and welfare facilities.