Low-voltage Brief Catalogue Protection Relay
Protection Relay
085 Low-voltage Brief Catalogue
086
P -
P -
NJBK2 Motor Protection Relay
JD-5E Integrated Motor Protector
• JD-5E Integrated Motor 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 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.
• 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
NCK3
JD-5E
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.
JD-5 Integrated Motor Protector
• JD-5 Integrated Motor 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.
NJBK5
JD-5
NJBK5-5 Motor Controller
• NJBK5-5 motor controller (hereinafter referred to as controller) is mainly used in circuits with a frequency of AC 50Hz/60Hz, a rated operational voltage of up to 220V and a rated control power of up to 2.2kW (current up to 20A) to control the direct start and stop of single-phase water pumps, provide overload and underload protection (pump runaway protection), and realize automatic liquid level control for civil water towers and reservoirs. • This product is not applicable to the liquid level control of oil, purified water, inflammable and explosive chemical liquids, corrosive liquids and high-density sewage. • Standards: IEC 60947-4-1
NJBK5-5
JD-8 Integrated Motor Protector
• JD-8 Integrated Motor 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-160A 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 AC380V rated operating voltage and 1A~400A rated operating current for its continuous work ing or discontinuous work ing.
JD-8
• Protector and AC contactor are generally used cooperatively. • This product meets the requirements of IEC 60947 -4-1.
JD-5A
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