Microcomputer Protection and Monitoring for Low Current Grounding System

• Type: Microprocessor Protection Device
• Component: Mechanical Structure Type
• For: for Switchgear
• Output Signal Type: Digital Type
• Production Process: Integration
• Material: /
• Model NO.: NR-660
• IP Rating: IP20
• Certification: GB
• Customized: Customized
• Transport Package: Carton
• Specification: As standard drawing
• Trademark: OEM & ODM
• Origin: China
• HS Code: 8538900000
• Production Capacity: 10000/Month

Product Description

Applicable scope
The NR-660 microcomputer protection and monitoring device is suitable for low current grounding system with
voltage levels of 66kV and below. This product is based on a universal design concept and has reasonable functional configuration. It can be used as a general protection for incoming and outgoing lines, factory transformers, motors and capacitors. The product is equipped with large color LCD display and integrated temperature and humidity sensors, which have the advantages of high comprehensive integration, complete protection configuration, strong anti-interference ability and resistance to harsh environment. It is particularly suitable for direct dispersed installation on switchgear.
NR-660 series:
overall size 149mm(width)*188mm (height)*108mm(depth),
opening size 140mm (width)*160mm(height).

Model description

NR-660	protection for incoming cabinet and feeder cabinet
NR-661	protection and automatic switching of two-way power supply incoming cabinets
NR-662	section switch protection and automatic switching
NR-663	monitoring and paralleling of PT cabinet and two groups of PTs

Working environment condition
Environmental temperature: -30~+55ºC
Relative humidity: no more than 95%, no condensation
Atmospheric pressure: 80~110kPa
Other conditions: The air around the device should not contain substances with acid, alkali corrosion or
                                 explosive properties, and should be free of lightning, rain and snow
Standard atmospheric conditions for the test: temperature +15~+35ºC , humidity 45%~75%, air pressure 86~106kPa

Rated electrical parameter
Working power supply: AC/DC 85-265V, DC48V
Rated voltage: 100V
Rated frequency: 50Hz
Rated current: 5A, 1A (customized)

Device function configuration





COMPANY PROFILE:

AN HUANG isa modern company of professional design and manufacturer of 3.6kV to 40.5kV Medium Voltage cable accessories, electric components and whole set cabinet Subsidiaries:Anhuang Electric Power Technology Co.,Ltd 
Zhejiang Anhuang Imp & Exp. Co .. Ltd. We provide high quality, low cost products for utility systems worldwide 

Company constantly introducing new technology,newcraft, the product structure constantly improved.Our Professional
production testing equipment.special production technology and professional service team can satisfy the customers demand. 

Our professioal engineers,technicansand managers team always keep our promise:ANHUANG is not only provide cost­-effective high quality products.but also provide high quality, efficient, fast service and technical support to ensure customers' require.

Our company obtained international quality management system ccertification for ISO9001,ISO1401,OHSAS18001.

Our company adhenring to the "safety electricity, forever brilliant " as our enterprise's humanism. Willing to work with you hand in hand to build better future