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PDF NJBK5-5 Data sheet ( Hoja de datos )
| Número de pieza | NJBK5-5 | |
| Descripción | Motor Controller | |
| Fabricantes | CHiNT | |
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NJBK5-5 Motor Controller
1. General
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
2. Type designation
N JBK 5 - □ / □ □
Relay
Protection Relay
Rated control supply voltage
Rated operational current
5: frame size code
Design sequence No.
Motor controller
Company code
3. Operation conditions
3.1 Altitude: the altitude of the mounting location should not
exceed 2000m;
3.2 Ambient tempeature: -5℃~+40℃, and the average
temperature in 24h should not exceed +35℃；
3.3 Atmospheric conditions: The relative air humidity at the
mounting location should not exceed 50% at the maximum
temperature of +40℃. The relative humidity may be higher at
lower temperatures. Special measures should be taken if
condensation occurs on the product occasionally due to
temperature variation。
3.4 Pollution degree: 3;
3.5 Mounting category: Ⅱ;
3.6 In places where there is no significant vibration or impact;
3.7 In non-explosive media that do not contain a sufficient
amount of gas or dust to cause metal corrosion or insulation
failure;
3.8 In places where rain and snow protection is provided;
3.9 The inclination from the vertical plane should not exceed 5°.
I-13
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