Nichiyu Electric Manufacturing Co., Ltd. New FM Circuit Breaker Leakage Current Protector Catalog
Nikko Electric Manufacturing Co., Ltd. (Fully Electromagnetic Circuit Breakers / Residual Current 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 types). Our product employs a fully electromagnetic mechanism for the overcurrent release device, which does not use thermal elements such as bimetals, offering superior principles. 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.
Inquire About This Product
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 materials or the lineup URL below, 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 |
| Ordering Method for New-FM Wiring Circuit Breaker (New-FM Circuit Breaker) | https://nikkomccbelcb.hateblo.jp/entry/2025/02/20/100000 |
| New-FM Wiring Breaker Mounting Screw Dimension Table | 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: New-FM FM Circuit Breaker and FM Earth Leakage Circuit Breaker Achieve Same External Dimensions | 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 principles and features of Nichiko Electric's fully electromagnetic circuit breaker: unaffected 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 |
| Nihon Kōdenki Seisakusho's fully electromagnetic circuit breaker contributes to labor-saving in panel design and manufacturing! | https://nikkomccbelcb.hateblo.jp/entry/2024/12/06/140000 |
| Nichiyu Electric Manufacturing's breakers are economically suitable for all types of equipment with 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 AC220V-170kA and AC460V-125kA. | 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 circuit breaker by Nichiko Electric Manufacturing Co., Ltd. Normal load condition, overload, short circuit, initial overload condition, overload tripping condition, short circuit tripping condition. | https://nikkomccbelcb.hateblo.jp/entry/2024/12/09/120000 |
| Nisshō Electric Manufacturing'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 Complete 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 current circuit breaker (arc extinguishing device, sensitivity current switching switch, operating 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 |
| Operation principle of New-FM leakage circuit breaker | https://nikkomccbelcb.hateblo.jp/entry/2024/12/17/100000 |
| Characteristics of motor breakers (for motor protection and 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 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 ~ Back 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 terminal 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 Installation 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 the Auxiliary Switch. | 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 Current 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 - Wiring Circuit Breaker | 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 (Surface Type, Back Type) | 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 Circuit Breakers by Nichiko Electric Manufacturing Co., Ltd. | https://nikkomccbelcb.hateblo.jp/entry/2025/01/23/100000 |
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News about this product（13）
Company information
The booth for the TECHNO-FRONTIER2025 Power System Exhibition has been announced. The Nikkou Electric booth is 【4-F36】. Exhibition: "TECHNO-FRONTIER2025 Power System Exhibition" Dates: 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! Nikkou Electric's new base, Satellite Akiba (Tokyo, Akihabara), opened in February 2024. We aim to connect our sales team with factory technology and the web to provide real-time proposals for the most suitable transformers for our customers. If you have any issues regarding transformers, coils, or reactors, please feel free to consult with Nikkou Electric. We will propose the optimal transformer through discussions with our customers.