ndr1 electronic overload relay
● product introduction
the ndr1 electronic overload relay is used for protecting the overload, too long starting time, default phase and phase current imbalance of the three-phase ac circuit and motor. the 3p thermal overload relay is used for protecting the motor, adjustable between 0.1 and 95a.
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features
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certification
◆ built-in current transformer;
◆ with the temperature compensation;
◆ high tripping accuracy, with the tripping indication and overload alarm functions;
◆ with the bi-stable function output action mechanism;
◆ tripping level of 10;
◆ with the setting current regulating function;
◆ with a mechanism detection button (also used as the tripping button) available on the panel;
◆ with a nc contact disconnection button (for the line self-inspection) available on the panel;
◆ with the manual or automatic reset function;
◆ with 1 nc and 1 no auxiliary contacts
the ndr1 electronic overload relay has obtained china compulsory certification (ccc) for products and ce certification.
实践案例
best practice
- nuclear power generation
- civil building
- rail transportation
- data center
- rail transportation
- commercial building
- charging facility
- wind power generation
- pv industry
- military field
the world's first fourth-generation commercial nuclear power plant snptc pressurized water reactor (pwr) demonstration project
the fourth-generation with proprietary intellectual property rights, one of the 16 national science and technology major projects
- provide molded case products and dc mcb with two-stage/three-stage protection
- main models: ndb2z, ndm2, ndm2z, ndm1
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class a supplier of vanke real estate
the partnership between nader and vanke real estate can be dated back to year 2009. till now, its products have been used in over 1 million households in 65 cities throughout china. over 50 electrical appliance factories have been built under strategic cooperation with vanke and its low-voltage components account for up to 95% of the vanke's supplies.
- products used: whole series products of liangxin electrical
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the world's first new energy air-rail train made its trial run in chengdu, sichuan
the train control cabinet used nader's ndm2/ndm2z products, which will be later applied to the sudan project and the qingdao metro project.
use the product
china mobile - hohhot & harbin data centers
ultra-large-scale, green and energy-saving, centralized world-class cloud computing data center
- ndw3 series frame circuit breaker
- ndm3 series molded case circuit breaker
- ndq3a series dual power products
- ndb2 series miniature circuit breaker
- ndm1 series miniature circuit breaker
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handan (xingtai) - huanghua port railway main line
national level 1 railway project and the "transportation artery" of hebei province
- ndw3 series frame circuit breaker
- ndm3 series molded case circuit breaker
- ndq3a series dual power products
- ndb2 series miniature circuit breaker
- ndm1 series miniature circuit breaker
use the product
qingdao oriental movie metropolis, shandong
a film and television industry base with the world's largest investment
- ndw1 series frame circuit breaker
- ndm2/ndm3 series molded case circuit breaker
- ndc1/ndr1/r2 series industrial control products
- ndm1/ndb2 series miniature circuit breaker
use the product
china's first expressway with electric vehicle fast-charging services
along the 1,262 km beijing-shanghai expressway, 50 fast-charging stations have been built by the state grid corporation of china, with one fast-charging station every 50 km one-way. each fast-charging station is equipped with four 120-kilowatt dc chargers and eight charging piles and capable of simultaneously charging eight electric vehicles which can be fully charged within 30 minutes.
- ndm2l residual current molded case circuit breaker
- ndm1 circuit breaker
- ndc1 ac contactor
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guazhou wind farm project by longyuan (jiuquan) wind power
the world's largest wind farm and 10 million-kilowatts wind power project
- frame: ndw1-2000
- contactor: ndc1-1600
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100mw photovoltaic project in xitieshan, qinghai
china's first photovoltaic power generation project at an elevation of above 3,000 meters
- ndm5z dc1200v molded case circuit breaker
- ndc1 series contactor
- ndb2 series miniature circuit breaker
use the product
国庆大阅兵,全通信保障,按秒对接
无数“nader”断路器默默坚守在自己的工作岗位,承担着供配电的重要角色,为阅兵的可靠通信保驾护航。
- ndm1a系列微型断路器