Protection Relay Motor Control & Protection Protection Relay
P 087 Low Voltage Brief Catalogue - Low Voltage Brief Catalogue P-087
P-044
Low Voltage Brief Catalogue
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 ▪ The NC1 series AC contactor is used in remote motor (≤335kW) control application. ▪ Rating up to 690V, 630A (AC-3). ------(6A, 9A, 12A, 16A, 18A, 22A, 25A, 32A, 38A, 40A, 50A, 65A, 75A, 85, 100A, 120A, 160A, 185A, 225A, 265A, 330A, 400A, 500A, 630A) ▪ Standard: IEC/EN 60947-4-1 ▪ Ambient temp.: -35℃~+70℃ ▪ Coil voltage : 6A~225A: 24V, 36V, 48V, 110V, 127V, 220V, 380V, 415V (AC) 265A~630A: 24V, 36V, 48V, 110V, 127V, 220V, 380V, 415V (AC/DC) 6A~12A (mini type): 24V, 36V, 48V, 110V, 127V, 220V, 380V, 415V (AC) 24V, 48V, 110V, 220V (DC) ▪ Side mounting auxiliary contacts: AX-3C/11 ( for 6A~225A) & AX-3C/11B (for 265A~630A) (1NO&1NC) ▪ Top mounting auxiliary contacts: AX-3X/11 & AX-3X/20 & AX-3X/02 (1NO&1NC or 2NO or 2NC) AX-3X/13 & AX-3X/31 (1NO&3NC or 3NO&1NC) AX-3X/22 & AX-3X/40 & AX-3X/04 (2NO&2NC or 4NO or 4NC) AX-3M/11 & AX-3M/20 & AX-3M/02 (for mini type, 1NO&1NC or 2NO or 2NC) AX-3M/13 & AX-3M/31 (for mini type, 1NO&3NC or 3NO&1NC) AX-3M/22 & AX-3M/40 & AX-3M/04 (for mini type, 2NO&2NC or 4NO or 4NC) ▪ Top mounting time delay block: F5-T (making time delay) & F5-D (breaking time delay) ▪ Assemble with Thermal Overload Relay NXR to be a DOL Starter. ▪ Assemble with another one to be a reversing contactor. 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. 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 NXR Thermal Overload Relay ▪ The NXR series thermal overload relay is used to provide overload and phase failure protection for AC motors. ▪ Rating up to 690V, 630A (AC-3): ------ (12A for mini type, 25A, 38A, 100A, 200A, 630A) ▪ NXR-200 and NXR-630 are electronic overload relay. NXC AC Contactor
NXC
NJBK2
NJBK5
NJBK5-5
▪ Standard: IEC/EN 60947-5-1 ▪ Ambient temp.: -35℃~+70℃ ▪ Assemble with NXC contactor to be a DOL starter.
NXR
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 working or discontinuous working. ▪ Protector and AC contactor are generally used cooperatively. ▪ This product meets the requirements of IEC 60947-4-1.
JD-5A
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