A comprehensive overview of Nader's low-voltage electrical product lines, covering miniature circuit breakers (MCBs), molded case circuit breakers (MCCBs), air circuit breakers (ACBs), surge protection devices (SPDs), industrial control components, intelligent distribution systems, and more. It categorizes products by function and series, offering technical highlights and typical applications, serving as a useful reference for distributors, engineers, and industrial users.

1.MCB(Miniature Circuit Breaker)

NDB1 Series Circuit Breaker	NDM2LM-40 Electromagnetic residual current action circuit breaker	NDB3-30, 50, 100 series equipment circuit breaker

 

Series	Design Series	Product Features
NDB1	NDB1-32/40/63/125	For full range of 32 shell frame，Icn=4,5kA ; For full range of 40 and 63 shell frame，Icn=6kA; For full range of 125 shell frame，Icn=10kA.
	NDB1T-63	Comply with GB14048.2 standard
	NDB1L-32	One-piece leakage, width:36mm
	NDB1PT-63	MCB for metering circuits; single magnetic type; maximum current: 10A.
	NDB1GQ-63	MCB with Overvoltage and undervoltage protection
	NDB1LG-32	Leakage MCB with overvoltage protection
	NDB1LE-32/40/63/100	MCB with leakage protection; MCB for 32 and 40 shell frame are optional in A and AC types; MCB for 63 shell frame are optional in A, AC and B types; The width of 32 shell holder is only 18mm.
	NDB1LE-40Z/63Z	Residual current action MCB with self-diagnostics
	NDB1Z-63	Direct current MCB
	NDB1LE-63X(G)	Residual current action MCB in small size
	NDB1TS-63	Single Magnetic Miniature Circuit Breakers, Icu= 6kA
NDB2	NDB2-40/63(H)	For full range of 63 shell frame，Icu=10kA（High breaking Type H up to 15kA）; For full range of 40 shell frame，Icu=6kA.
	NDB2NZ-80H	High voltage DC1000V, small size
	NDB2N-125A	Both AC and DC are optional，4.5kA for AC and 10KA for DC.
	NDB2T-63(UL489)	Comply with GB14048.2 standard, UL489 certification are optional.
	NDB2LE-32/40/63	The width of 32 shell frame is only 18mm; MCB for 32 and 40 shell frame are optional in A and AC types;For full range of 63 shell frame，Icu=10kA.
	NDB2LM-63/40	Electromagnetic leakage, strong anti-interference ability
	NDB2F-125W	MCB of energy meter extraposition.
	NDB2Z-63	DC MCB; Maximum Operating Voltage: DC1000V
	NDB2ZB-63	DC three-section MCB
	NDB2TS-63	Single Magnetic Miniature Circuit Breakers, Icu= 10kA
	NDL2M-100	Electromagnetic leakage protector without overcurrent protection function.
NDB6	NDB6-125	High breaking，Icu=15kA
	NDB6Z-125	DC MCB with breaking capacity up to 15kA
	NDL6M-100	Electromagnetic leakage protection device, without overcurrent protection function
	NDB6LM-40	Electromagnetic miniature circuit breakers with leakage protection, are optional in both A and AC type;Breaking capacity up to 10 KA.
	NDB6A(Z)	5G-specific circuit breaker with a height of only 1U
NDB5E	NDB5E-40/80	Intelligent MCB, with power metering, remote switching, internal temperature monitoring and other functions, need to be used with the power module and communication module together.
	NDB5EL-40/80	Leakage protection type intelligent micro-break, with power metering, remote switching, internal temperature monitoring and other functions; leakage module is installed at the lower end, reducing space.
	NDB5E-80X	One-piece intelligent micro-break; power module, electrical operation module, gateway module three in one, three in one module width of 18mm;Used with 1P & 2P body.
	Power Module	Power supply output power of 12W, a power supply module can take up to 10 circuit breakers.
	Gateway Module	Equipped with communication modules such as WIFI+RS485, RS485, 4G, NB, ETH, etc.

 

2.Indoor Box

NDP1A Series Distribution Box	NDP3A Series Distribution Box	NDP3T Series Distribution Box

 

Series	Design Series	Product Features
NDP1A	NDP1A	Plastic top cover, single row, double row, up to 40 positions
NDP3A	NDP3A	Plastic top cover, single row, double row, triplex row,up to 45 positions
NDP3T	NDP3T	Metal cover, single row, double row, up to 40 positions

 

3.SPD(Surge Protective Device)

NDU1 Series Surge Protective Device	NDU1Z Series Surge Protective Device

 

Series	Design Series	Product Features
NDU1	NDU1	Class Ⅱ surge, maximum current up to 120kA
NDU1-I	NDU1-I	ClassⅠsurge, imp current up to 120kA
NDU1Z	NDU1Z	DC surge, Ⅰmax = 40kA, maximum operating voltage DC1000V

 

4.Surge Backup Protection Circuit Breakers

NDUH1 Series Surge Protective Device

 

Series	Design Series	Product Features
NDUH1	NDUH1	For protection of voltage-limited low-voltage surge protective device

 

5.Modular Sockets

NDA1Series Sockets

 

Series	Design Series	Product Features
NDA1	NDA1	For protection of voltage-limited low-voltage surge protective device

 

6.Oil Damping Products

NDB3-125 Series	NDB Series

 

Series	Design Series	Product Features
NDB3	NDB3	Hydraulic/oil damping circuit breakers used in communication power supplies and industrial control systems
NDB5	NDB5	Hydraulic/oil damping circuit breakers used in communication power supplies and industrial control systems

 

7.Busbar

NDH1 Busbar

 

Series	Design Series	Product Features
NDH1/H2	NDH1/H2	Connection of multiple circuit breakers with the same phase feeder end

 

8.Dual Power Products

NDQ1 Series Automatic Transfer Switches	NDQ2A Series Automatic Transfer Switches	NDQ5 Series Automatic Transfer Switches

 

Series	Design Series	Product Features
NDQ1	NDQ1-63/125/250/400/630/800	Molded Case Circuit Breaker Derived Dual Power, Class CB, Motor Driven, 3-Stage.
NDQ2	NDQ2A-63/125H/250	NDQ2A-63:Miniature Circuit Breaker Derivative Dual Power, Class CB, Motor Driven, 3-Stage
	NDQ2A-63/125H/250	NDQ2A-125H:Compact Disconnect Switch Derived PC Class Dual Power Supply, Motor Driven, 3-Stage
	NDQ2A-63/125H/250	NDQ2A-250: PC-class dual power supplies, Motor Driven, 3-stage
NDQ3	NDQ3-125/250/400/630/800 /1250/1600/2000	PC-class dual power supplies, solenoid drive, two or three-stage are optional.
NDQ3H	NDQ3H-63/125/250/400/630 /800/1250/3150/5000	PC-class dual power supplies, four controllers (1250A above only D-type optional), solenoid drive, two or three-stage(1250A above only two sections), can realize the communication function, 125 ~ 800A five shell frame optional neutral line overlap conversion function.
NDQ3H	NDQ3H-4000	PC-class dual power supplies, three-section, with neutral overlap conversion, use category AC-33A.
NDQ3HP	NDQ3HP-3200/5000	Dedicated PC-class dual power supplies, two- or three-section type, with bypass isolation and neutral line overlap conversion, used with category AC-33A.
NDQ5W	NDQ5W-1600/2500/4000	Frame Circuit Breaker Derived CB Class Dual Power, High Breaking, Dual Power/ Triple Power Switching, Two Incoming Wires and One Female Connection, Parallel Switching  optional
NDQ5	NDQ5-4000	Dedicated PC-class dual power supplies,  three -section, with neutral line overlap conversion function, parallel switching, used with category AC-33A

 

9.Disconnect Switch Products

NDGR2 Series Disconnect Switch Fuse Block	NDG3V-32/50 Series Disconnect Switch Fuse Block	NDG3V-50H F Remote release disconnect switches

 

Series	Design Series	Product Features
NDG1	NDG1-100/125	Modular Miniature Disconnect Switches
	NDGR2-63/125/160/250/400/630/800/1000/1250	Disconnect Switch Fuse Block
NDGP2	NDGP2-2000/2500	Large format load isolation
NDG3V	NDG3V-32/50	Dedicated for photovoltaic, rotary double-breakpoint, AC/DC disconnect switches, up to DC1500V/AC415V (32 shell frame) /AC690(50 shell frame)
NDG3	NDG3-100/125/100H/125H/160H/200/250/160/315/400/500/630/800/1000/1250	Load isolation switch, small size, maximum voltage DC1000V or AC1000V, maximum current 2000A
NDG3V	NDG3V-250/350/4001500/630/800	DC disconnect switch, max. Voltage: DC1500V, max. Current: 800A
NDG3V	NDG3V-50H F	Remote release disconnect switches, high breaking capacity DC1500V with 2 levels of wiring up to 40A
NDG3VH	NDG3VH-100-630	DC1500V and below, rated operating current 630A and below
NDG3A	NDG3A-1000Z/1600Z/ 2000Z/2500Z/3200Z	Isolator, maximum rated voltage DC1500V, maximum current 3200A

 

10.ACB(Air Circuit Breaker)

NDW1A Series Air Circuit Breaker	NDW2X Series Air Circuit Breaker	NDW3X-4000 Offshore wind power type universal circuit breaker

 

Series	Design Series	Product Features
NDW1A	NDWV1A-1600/200013200/4000/6300	Suitable for civil buildings and other fields, breaking capacity up to 120KA
NDW2	NDW2-1600/2000/3200/4000/6300	Suitable for industrial buildings and other fields, rated working voltage up to AC1140V (NDW2-4000HU/6300HU)
	NDW2G-2000/4000	Framed Disconnect Switches
	NDW2GZ-2000/4000	Framed disconnect switches optional for DC systems
	NDW2F-2000/3200/4000	Dedicated frame circuit breakers for power generation systems
NDW3	NDW3-1600/2500/4000/6300/7500	Ics=100%lcu=100%cw，Maximum operating voltage: AC1500V (NDW3-2500XU/4000XU/6300XU)
	NDW3Z-2500/4000	Frame circuit breakers for DC systems, rated current 800-4000A, rated operating voltage up to DC1500V
	NDW3B-3200	Newly designed shape and structure
	NDW3AGZ-2500	DC Type Disconnect Switches
	NDW3A-2500	Comply with UL1066 standard, high voltage: AC730V.

 

11.MCCB(Molded Case Circuit Breaker)

NDM2 Series Molded Case Circuit Breaker	NDM5G(Z)-1600 Plastic enclosure disconnect switches	NDMNZ Series DC Molded Case Circuit Breakers

 

Series	Design Series	Product Features
NDM2	NDM2-63/125/250/400/630/800(NDM2X-125)	Complete shell frame, widely used in civil construction and other fields
	NDM2E-100/250/400/630/800	Electronic molded case circuit breaker, 3-pole H-type, can realize three (four) stages of protection, can be optional grounding function, communication and other functions
	NDM2Z-63/125/250/400/630(NDM2ZX-125)	DC Molded Case Circuit Breakers，Ue=DC250V
	NDM2ZB-63/125/250/400/630/800	DC three-stage protection function can be realized. Ue=250vIcs=100%lcu
	NDM2L-125/250/400/630	Moulded case circuit breaker with leakage protection, leakage current/delay time adjustable, leakage one-piece design, smaller size；for 630 shell frame leakage current V/W type are optional.
NDM3	NDM3-63/100/125/160/400/630/800/1600	Thermal magnetic molded case circuit breaker, double insulation face cover design; optional overload alarm without release function
	NDM3E-1251250/400630/800（NDM3FX -1600）	Electronic molded case circuit breaker, three-section (four-section) protection; 3-pole (M/H-type breaking optional)/ 4-pole are optional; grounding, communications and other functions are optional.
	NDM3E(IOT)-250/400/630	With automatic identification of distribution network topology and power line carrier communication function
	NDM3G-250/250V1400/400V/630/800	Plastic-case derived disconnect switches, AC1140V/DC1000V.
	NDM3A-250/400/630	High voltage, Ue up to AC1000V
	NDM3AR-125/250/400/630	Thermal Magnetic Moulded Case Circuit Breakers, Thermal Magnetic Adjustable
	NDM3L-125/250/400/630/800	Adjustable leakage current and delay time
	NDM3Z-125/250/250V/250VM/320V/400/630/630V/800	DC molded case circuit breakers, Ue up to DC1500V
	NDM3ZB-125/250/400/800	DC three-stage protection, Ue=250V, M/H type breaking capacity are optional
	NDM3DLC-250/400/630	IOT leakage reclosing circuit breaker with three-stage protection, leakage protection and HPLC+RS485 communication  function
NDM5	NDM5-12511601250/250V1400/400V1630/630V11600	High breaking, rotating double break, thermomagnetically adjustable
	NDM5E-125/160/250/400/630/1600	High breaking, L/M/H type are optional.Ics=100%lcu
	NDM5Z-160/250/400/630/1600	Rated operating voltage up to DC1500V, high breaking, Ics=100%lcu
	NDM5G-400V/1600	Derived molded Disconnect Switches, Rated operating voltage up to AC1140V or DC1500V.
	NDM5GZ-1600	Derived molded Disconnect Switches, Rated operating voltage up to  DC1500V.

 

12.Industrial Control Products

NDC1(Z)-09~95 Series Alternating Current Contactors	NDC1N-115~800Series Reversible Alternating Current Contactors	NDC2-150RX~750RX Series Alternating Current Contactors

 

Series	Design Series	Products Characters
NDC1	NDC1-09~95、115- 2650	Alternating Current Contactors (NDC1(Z): AC contactors for DC operation; NDC1N: reversible contactors)
NDC1M	NDC1M-09~95、115-2650	AC contactors dedicated for large buildings.
NDC1T	NDC1T-40~65	Dustproof AC contactors, boltable wiring, protection level: IP50.
NDC2	NDC2-06~170	AC contactors (NDC2N:reversible contactors)
NDC2J	NDC2J-16~63	Digitally modeled AC contactors for installing in indoor boxes
NDC2	NDC2-80R~750R	AC contactors dedicated for AC-1
NDC3	NDC3-09~95	AC contactors, high life span (NDC3(Z、ZE): AC contactors for DC operation; NDC3N: reversible contactors)
NDC5K	NDC5K-630~3200	Vacuum AC Contactors, Zero Flying Arc
NDD1	NDD1-1~80	Motor protection circuit breaker, overload, short circuit, three-phase unbalance protection
NDY1	NDY1-20~160	Changeover switches, manual infrequent switching and breaking of circuits
NDK1	NDK1-25~125	Switching capacitor contactors for controlling capacitor switching
NDJ1/NDJ3	NDJ1(Z)/NDJ3(ZE)	Contactor-type relays, control solenoids, for signal amplification or transmission (NDJ1Z/NDJ3ZE:DC operation)
NDCQ1	NDCQ1-12~95	Star Delta Starter
NDR1E	NDR1E/2	NDR1E: electronic thermal relay; NDR2: double gold thermal relay, which can Plug and run with NDC1 series products directly.
NDR3E	NDR3E	Electronic overload relays and can be used with NDC3 series contactors
NDKB1/NDKB3	NDKB1-45~125 NDKB3-63	Control and protection switching appliances with operating voltage up to AC 690V
NDJG3	NDJG3-25~40	Hybrid Relays

 

13.DC Contactors(Direct Current Contactors)

 

Series	Design Series	Products Characters
NDZ3	NDZ3(X/W)-50~300	Epoxy encapsulated DC contactors
NDZ3X	NDZ3X-10~40	Epoxy encapsulated DC contactors
NDZ3T/AT	NDZ3T/AT-10~400	Ceramic encapsulated DC contactors with operating voltage up to DC750V
NDZ3AT	NDZ3AT-100D,150D	Ceramic package, operating voltage DC12~1000V
NDZ3AT	NDZ3AT-150G,200G	Ceramic package, operating voltage DC12~1000V
NDZ3AT	NDZ3AT-25010H~60010H	Ceramic package, operating voltage DC12~1500V
NDZ3AT	NDZ3AT-150R~350R	Ceramic package, operating voltage DC12~1000V

 
 

14.Intelligent Cabinet

NEA Series Low Voltage Switchgear	NEA E Series Intelligent Power Distribution Box

 

Series	Design Series
NEA	NEA Intelligent Power Distribution Cabinet
NEA E	NEA E Intelligent Power Distribution Case

 

15.Conclusion

Nader’s product ecosystem demonstrates remarkable depth and specialization across key domains of low-voltage power distribution and control. From the versatile NDB1 and NDM series of circuit breakers to intelligent energy solutions such as NDB5E and NEA cabinets, Nader provides a full-spectrum portfolio that supports residential, commercial, and industrial applications. The inclusion of DC contactors, intelligent modules, and surge protection devices highlights the brand’s adaptation to evolving power infrastructures, including renewable energy and smart grid demands. With standardized form factors, modular designs, and compliance with major international certifications (e.g., UL, GB, IEC), Nader’s offerings aim to balance reliability, safety, and innovation. This document serves as both a technical reference and a roadmap for understanding how Nader’s solutions integrate into modern power systems.