Motor Phase Failure&Phase Sequence&Over-Voltage&Under-Voltage Protective Relay

Specification:
1.Operation Voltage: 380VAC 50/60Hz
2.Under Voltage Protection Range:300~380VAC; 1~5s adjustable 
3.Over Voltage Protection Range:380~460VAC; 0.5~5s adjustable
4. Phase Failure&Phase Sequence Protection: action time:≥0.1s
5.Insulating Resistance:≥100MΩ,AC220V 3A(Resistance properties)

 compangy profile

      Longroad Electric Co.ltd founded in 2010,is located in the largest manufacturing base of low-voltage electric equipment of Liushi China.which is called"the Electric Device Metropolis of China"Longroad Electric specialized in the industrial electrical appliance,high-low voltage electrical equipment integrated with R&D,Manufacturing.International trade and service
    Longroad Electric Co,ltd regards quality of products as lifeLongroad Electric Coltd has been granted ISO9001 management system certifications.The comprehensive product line has more than 1000 models which have been approved by TUVCE,CQC. SGS.ROHS.SASO.the products sells well to UKSpain.PortuaalSingaporeTurkevRussiaKorea.South Africa.. more than 70 countries and regions
     Longroad Electric Co.ltd is always striving hard to provide the best services and competitve pricing to all customers.

Corporate Culture

      Enterprise policy:market oriented;technology driven; quality for survival;brand for developmentBusiness philosophy: provide value for customers: seek development for emplovees:take responsibilitv for societyTalent view the sea embraces all rivers and makes Jiaolong soar; the thousand boats compete to make the best of the worldQuality policy:people-oriented, pragmatic and
innovative: pursuina auality and servina the marketEnterprise spint:harmonymodesty.praamatism and developmentCustome
service: think for customers;be responsible for customers;make customers satisfiedEnterprise goal: to build an electrical manufacturing enterprise

service ldea

     "Intearity first.quality first"is the basic tenet of our companyOur quality policy is:installation specifications.timely maintenance. Abide by the contract.serve sincerelv and meet the needs of customers.We know that product auality is the basic and key factor of enterprise competitiveness, and service is the extension of product quality and one of the important factors of enterprise competition We are determined to treat our customers with"integrity":
1.All aspects of sincere service.That is.from the customer's electricity use report.enaineerina desian. euipment procurement installation and construction.eauipment commissionina and acceptancecompletion and power receivina to the test and detection during the future operation.We all provide all-round,whole process sincere service,try our best to meet the needs of customers.2,High quality returns.We strictly follow the provisions and requirements of the contract terms and engineering design on the equipment, and provide qualified products that meet the requirements,so as to complete the engineering construction and installation tasks within the specified time limit with the installation technology level
3,Active and stable aftercare service.We provide 24-hour emergency service after the project is powered on, that is, in case of abnormal operation of eauipment or accident power failure.as long as the customer calls us.we will rush to the site immediatelv remove the fault and resume power transmission