JD-5 Integrated Protector
JD-5 Integrated Protector (hereinafter referred to as protector) is applicable for overload and phase-failure protection of AC motor @ A.C.50Hz, less than AC690V rated insulation voltage and 0.5A~400A rated operating current for its continuous working or discontinuous working. Protector and AC contactor are generally used cooperatively.
This product meets the requirements of IEC 60947- 4-1.
JD-5A Integrated Motor Protector
JD-5A Integrated Motor Protector (hereinafter referred to as protector) is applicable for overload, phase-failure and three-phase current unbalance protection of AC motor @ A.C.50Hz, less than AC690V rated insulation voltage and 1A~400A rated operating current for its continuous working or discontinuous working. Protector and AC contactor are generally used cooperatively.
This product meets the requirements of IEC 60947-4-1.
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.
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.
