NH40S Changeover Switch
1.1 Application
Mainly used in the distributing and motor circuit which has high short-circuit current,and acted as main switch or master switch
infrequently operated by hand, it is particularly suitable in the relative high class with drawable low voltage complete equipment.
They provide safety isolation and protection against overcurrent for any low voltage electrical circuit.
1.2 Standard: IEC/EN 60947-3.
1.3 General characteristic
Full-enclosed structure
Unique rolling insert type contact system.
NH40SZ Automatic Changeover Switch
NH40SZ automatic changeover switch disconnectorintegrates electrical and mechanical interlocking systemsto guarantee safe transfer operation.
It is applicable for the three-phase four-wire power supply system of AC 50Hz, rated voltage AC 380V ,rated current up to 3150A.
It can realize automatic and manual changeover between normal and back up power supply power,and stop power supplying to load when changeover process of power supply is carried out.
The switch is applicable for two circuits power supply and in the condition which requires high quality power supply.
Standard: IEC 60947-6-1
NHR17 Fuse-Switch Disconnector
1.1 NHR17 series fuse-swith disconnector is a new product developed by our company.
Rated insulation voltage up to 800V.
rated operational voltage up to 690V.
rated operational current up to 630A,
rated frequency 50Hz,
in the distribution circuit and motor circuit which has high short-circuit current as the power switch, isolating switch,
emergency switch as well as circuit protection,but normally it is not used to make and break a single motor directly.
1.2 Standard: IEC/EN 60947-3.
NHR40 Fuse-switch Disconnector
1.1 NHR40 series switch-disconnector with fuse is applicable in the circuit of AC50Hz, rated voltage AC690V and below, DC440V and below, rated current up to 630A.
NHR40 series are infrequently manually operated multipolar fuse combination switches,
They break or switch off on load and provide safely isolation and protection against overcurrent for any voltage electrical circuit.
1.2 Standard: IEC/EN 60947-3.
NHRT40 Vertical Fuse-switch Disconnector
1.1 Application
NHRT40 series vertical fuse-switch disconnector is applicable in the circuit of rated voltage AC690V and below, rated current AC 160A-630A, rated frequency of 50Hz.
NHRT40 series are infrequently manually operated multipolar fuse combination switches.
They break or switch off on load and provide safely isolation and protection against overcurrent for any voltage electrical circuit.
1.2 Standard: IEC 60947-3.
NJB1-X
NJB1-X relay (hereinafter called relay) are applied in AC380V~480V control circuits at a frequency of 50Hz as protection elements of phase sequence, phase failuire and phase unbalance,making or breaking circuits.The relay with the true effective value of three phase AC voltatage provides more reliable operating protection. The products meet the requirements of standard IEC 60947-5-1.
NJB1-X1 Relay
NJB1-X1 relay (phase sequence, phase failure protection) is used as an phase sequence and phase failure protection device in control circuits with an AC voltage of 200V~500V and a frequency of 50Hz to make and break the circuit. It cannot monitor the phase failure of motor load.
NJB1-YW
NJB1-YW Floatless Relay is applicable for water level automatic control in industrial facilities & equipment, civil water tower, high cistern, underground conservation pool, etc.
The control of automatic water supply or drainage may be achieved by a siNgle operation of the function switch without modifying the user's connecting conditions.
This product is not applicable for water level control of flammable and explosive liquid, such as oil, chemical liquid, etc.
NJBK2 Motor Protection Relay
NJBK2 series motor protection relay (hereinafter referred to protector as simply) is applicable for overload, locked-rotor, phase-failure, three phase current unbalance, earthing and PTC temperature protection of AC motor @ A.C.50Hz, less than 690V rated insulation voltage and 1A ~ 800A rated operating current for its continuous working or discontinuous working.
This product meets the requirements of IEC 60947- 4-1
NJBK5 Motor Controller
NJBK5 series motor controller (hereinafter referred to as controller) is mainly used in circuits with a frequency of AC 50Hz (or 60Hz), a rated operational voltage of up to 380V and a rated control power of up to 11kW (current up to 22A) to control the direct start and stop of water pumps or motors, provide motors with overload and phase failure protection, and realize automatic liquid level control for civil water towers and reservoirs.
This product is not applicable to the liquid level control of low-conductivity liquids, such as oil, purified water, inflammable and explosive chemical liquids and high- density sewage.
Standards: IEC 60947-4-1.
NJBK6 Motor Protection Relay
NJBK6 series motor protection relay is used to provide overload, phase failure, three-phase current unbalance and locked rotor protection for AC motors with a frequency of AC 50Hz, a rated insulation voltage of below 690V and a rated operational current of 1A~36A that operate continuously or intermittently.
Standards: IEC 60947-4-1
NJBK7 Motor Protection Relay
NJBK7-800 series motor protection relay (hereinafter referred to as "Protector") is applicable for overload protection,locked rotor protection,phase failure protection, three-phase imbalance protection,undercurrent protection,grounding protection , PTC temperature protection and communication failure protection for AC electromotors of a frequency of 50Hz with a rated insulation voltage of up to 690V and a rated operating current of 1A～800A during long-term and discontinuous operation,
This protector is provided with RS485 interface and 4mA～20mA current loop transmitter interface for network communication and performs remote monitor control on the motor and fault query through opper computer. This protector is usually used to combine with AC contactor.
This product conforms to IEC60947-4-1.
NJDC-12 Small Electromagnetic Relay with Test Button
2Z, 3Z contacts form; contacts switching current up to 7.5A; complete AC and DC specifications; with test button functions, A wide range of device socket are available.
NJDC-17 Small Electromagnetic Relay with Test Button
2Z,2ZS, 3ZS, 4ZS contact forms; with self-locking test button; transparent dust cover package, diverse mounting modes available; equipped with a variety of sockets options; optional with the specifications of the status indicator.
NJMC1 Pulse Relay
Contact switching current of up to 16A and 32A; a complete range of AC/DC specifications; NJMC1 pulse relay is a mechanical bistable relay that changes the contact state by inputting pulse signals.
NJR2-D Soft-Starter
NJR2-D series soft-starter is cored on advanced dual-CPU control technology. It controls SCR module, realizes soft starting & stopping of three-phase AC induction motor, and has wide range of protectionfunctions e.g. overload, input phase failure, output phase failure, load short-circuit, starting limiting overtime,over-voltage, and under-voltage.
NJR2-D series soft-starter requires external bypass contactorwith voltage range of 380V, power specifications for 7.5KW to 500KW; has characteristics of good load adaptability,stable and reliable operation, and widely used in electrical drive equipment in the fields of metallurgy, petroleum,fire, mining, water supply, municipal, food, cement and petrochemical. It is an ideal updated product of traditionalstar - delta starter, and self-coupling voltage starting.
Standard: GB 14048.6 IEC 60947-4-2.
NJR2-T Soft-Starter
NJR2-T series soft-starter is suitable for three-phase 220V voltage level soft starter, and is cored on advanced dual-CPU control technology. It controls SCR module, realizes soft starting & stopping of three-phase AC induction motor (squirrel cage type), and has wide range of protection functions e.g. overload, input phase failure,output phase failure, load short-circuit, starting limiting overtime, over-voltage, and under-voltage.
The products form into complete set mainly with control cabinet; and are mainly used supporting the bypass AC contactor with corresponding specifications. The product specifications cover 7.5KW ~160KW squirrel cage type three-phase AC induction motor; and widely used in electrical drive equipment in the fields of metallurgy, fire mining, water supply, municipal administration, food,cement and petrochemical. It is an ideal updated product of traditional star - delta starter, and self-coupling voltage starting.
Standard: GB 14048.6 IEC 60947-4-2.
NJS1 Time Delay Relay
NJS1 Series Time-Delay Relay is applicable for controlling circuit @ A.C. 50Hz/60Hz, up to 380V rated voltage or up to D.C.240V rated voltage as delay element to make or break circuit according to preset time.
CATALOG
NJS1-Relay-Catalog PDF
NJS3 Time Relay
NJS3 series time relay mainly used as time control component for control circuit with AC 50Hz/60Hz, rated control power supply voltage to 220V, make or break the circuit at a preset time.
NJS5 Time Relay
NJS5 series time relay is mainly used as time control device for control circuit with AC frequency 50Hz/60Hz, rated control supply voltage up to 400V and DC rated control supply voltage to 24V to make or break the circuit at a predetermined time.
NJS5-M2 Time Relay
NJS5-M2 time relay mainly applies to control circuits with 50Hz/60Hz AC rated control supply voltage to 400V and DC rated control supply voltage to 24V as time control element, to connect or disconnect circuit by scheduled time.
NJX-13FW Miniature Power Relay
1. 3A, 5A, 10A switching capacity
2. Wide range of coil ratings
3. Fully sealed
4. Certificate: CE, UL
NJYB3 Relay
NJYB3 Relay is used to provide overvoltage,undervoltage, phase failure,phase sequence,three-phase unbalance,PTC temperature and load protection control in three-phase three-wire up to 415V circuits and three-phase four-wire up to 240V circuits with a frequency of AC50Hz.
This relay is a voltage protection relay.After detecting the voltage signal,the relay processes the input signal,judges if there is an overvoltage,undervoltage,phase failure,phase sequence,three-phase unbalance,PTC temperature and load error and controls the opration accurately and stably by means of the built-in microprocessor.
NKB1 Control & Protective Switching Device
NKB1 series control & protective switching device (CPS) is mainly applied to circuit with AC current frequency of 50 Hz or 60Hz, rated operational voltage up to 690V, rated operational current from 1A to 125A, controller setting current from 0.4A to 125A, control motor power from 0.12kW to 55kW. It is capable of making, carrying and breaking currents under normal conditions, including specified operating overload conditions and of making, carrying for a specified time and breaking currents under specified abnormal conditions such as those of short-circuits.
NBK1 series CPS is applied to power distribution and motor protection & control of various occasions or systems, e.g. infrastructure, buildings, communications, etc.
Standard: IEC60947-6-2 Multiple function equipment-Control and protective switching devices (or equipment) (CPS).
CATALOG
NKB1 Control & Protective Switching Device PDF
NKG3 Time Switch
NKG3 time switch (hereinafter referred to as time switch) is used in automatic control circuits with a frequency of AC 50Hz(or 60Hz), a rated control supply voltage of up to 220V and a rated operational current of 3A to provide timed on-off control for street lamps, advertising lamps and similar equipment.
NKG3-M Time Switch
NKG3-M time switch (hereinafter referred to as time switch) is used in automatic control circuits with a frequency of AC 50Hz(or 60Hz), a rated control supply voltage of up to 220V and a rated operational current of 0.75A to provide timed on-off control for street lamps, advertising lamps and similar equipment.
NL1 Residual Current Operated Circuit Breaker without Over-current Protection (Magnetic)
1.1 Function
Control electric circuits.
Protect people against indirect contacts and additional protection against direct contacts.
Protect installations against fire hazard due to insulation faults.
Residual current circuit breakers are used in housing, tertiary sector and industry.
1.2 Selection
Detectable wave form
AC class
Tripping is ensured for slowly increasing sinusoidal AC residual currents.
A class
Tripping is ensured for sinusoidal AC residual currents and for pulsed DC residual currents, whether applied suddenly or increasing slowly.
S, G/SI class
Tripping is ensured not only for sinusoidal AC residual currents but also for pulsed DC residual currents whether applied suddenly or increasing slowly. S, G/SI type with filters against spurious tripping caused by harmonics and transient surges.
With the impact of 8/20us surge 3000A, this high immunity
RCCB will still be in stable status.
CATALOG
NL1 Residual Current Operated Circuit Breaker PDF
NL210 Residual Current Operated Circuit Breaker without Over-current Protection
1.1 Function
Control electric circuits.
Protect people against indirect contacts and additional protection against direct contacts.
Protect installations against fire hazard due to insulation faults.
Residual current circuit breakers are used in housing, tertiary sector and industry.
1.2 Selection
Detectable wave form
Type B
Tripping is ensured for sinusoidal AC residual currents pulsed DC residual currents, alternating residual sinusoidal currents up to 1000Hz, pulsating direct residual currents and for smooth direct residual currents, whether applied suddenly or increasing slowly.
Tripping sensitivity
30mA - additional protection against direct contact.
100mA - co-ordinated with the earth system according to the formula IΔn＜50/R, to provide protection against indirect contacts;
300mA - protection against indirect contacts, as well as fire hazard.
Tripping time
Instantaneous
It ensures instantaneous tripping (without time-delay).
1.3 Approvals and certificates CE, KEMA
1.4 Add-on devices
AX-5 auxiliary contacts
TC-1 terminal cover
CATALOG
NL210 Residual Current Operated Circuit Breaker without Over-current Protection PDF
NM1 Moulded Case Circuit Breaker
1.1 Certificates: KEMA, UKrSEPRO, EAC, RCC, EK;
1.2 Electric ratings: AC 690V,50/60HZ, 10~1250A;
1.3 Mounting mode: Vertical and horizontal;
1.4 Standard: IEC/EN60947-2.
