Chint реле 800A 160 ~ 400KW моторный накопитель переменного тока реле защиты моторный накопитель переменного тока перегрузки, 320A ~ 800A AC 240V 400V реле защиты двигателя
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- Supplier: Kunshan Pinzhe Industrial Materials Co. Ltd.
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Product Overview
Description
Product Description
NJBK2 Motor Protection Relay
1. General
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.
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.
3. Operating conditions
3.1 Altitude ≤2000m.
3.2 Ambient air temperature -5℃ ~ +40℃, with daily average ≤+35℃.
3.3 Atmospheric condition: when the highest temperature is +40℃, relative humidity of air shall be no more than 50%, higher relative humidity shall be allowable at lower temperature. The max monthly average relative humidity of the most humid month shall be not more than 90% and the lowest monthly average temperature of the same month should be no more than +25 ℃, condensed dew on surface of the product due to the change of the temperature should be taken into account.
3.4 Pollution Level: Level 3.
3.5 Installation Category: Ⅲ.
3.6 Inclination between installation plane and vertical plane shall ≤±5°.
3.7 At places without prominence rock, impact and vibration.
3.8 At places without explosive risk, without gases that may be corrosive to metal or gases that may cause damage to the insulation, and with little conducting dust
3.9 At places where rain & snow proof facilities are equipped with and not being full of steam.
5. Design features
5.1 Equipped with functions of overload, locked-rotor, phasefailure, three-phase unbalance, earthing and PTC temperature
protection etc.
protection etc.
5.2 Six indicators indicate status of power supply, operation, phase-failure (three phase unbalance), overload, earthing and temperature, respectively. Equipped with function of fault memory.
5.3 Four kinds of trip class.
5.4 Digital dial-up settings with high precision.
5.5 Three kinds of reset modes: manual reset, remote manual reset and automatic reset.
Specification
Brand Name | CHINT |
Model Number | NJBK2 |
Rated current | 10A~800A |
Setting current range | 2A~800A |
Suitable motor power | 1KW~400KW |
Utility classes | AC-15 |
Rated operating voltage | 240V/380V |
Rated operating current | 0.95A/1.5A |
Conventional heating current | 5A |
rated insulation voltage | 690VAC |
rated frequency | 50Hz |
Pollution Level | Level 3 |
Company Profile
Kunshan Pinzhe Industrial Material Co., Ltd. is a company integrating product development, design, production and sales. We have more than 2,000 cooperative factories in China, which can provide you with all conventional accessories and customized products. The main products are solar photovoltaic controllers, solar power generation systems, photovoltaic circuit breakers, photovoltaic modules, lithium-acid batteries, packaging machinery, Conveyor belts, pulleys, industrial control electrical, engineering plastic drag chains, steel aluminum alloy drag chains, machine tool lights, etc. Our products are sold at the lowest price and delivered in time. Our products can be used in a complete set of specifications. If you have any questions or requirements about the installation, please feel free to contact us, we will be happy to provide you with 24/7 service. Our company will provide you with satisfactory service with first-class quality and good reputation. We are willing to cooperate with domestic and foreign counterparts to make efforts for common development.
Why choose us?
1 . We are factory direct selling.
2 . We have professional technical support.
3 . We have many partners, according to your needs to find the parts you want.
4 . We have a safe product guarantee, so you can use it without any worries.
5 . We will test thep roduct for you before delivery.
6 . we accept payment terms of L / C, Western Union, D / P, D / A, t / T and MoneyGram.
2 . We have professional technical support.
3 . We have many partners, according to your needs to find the parts you want.
4 . We have a safe product guarantee, so you can use it without any worries.
5 . We will test thep roduct for you before delivery.
6 . we accept payment terms of L / C, Western Union, D / P, D / A, t / T and MoneyGram.
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