Microcomputer Protection Device for Low Current Grounding System

• Customization: Available
• Type: Microprocessor Protection Device
• Component: Mechanical Structure Type
• Model NO.: NR-620
• For: for Switchgear
• Output Signal Type: Digital Type
• Production Process: Integration
• Material: /
• 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-620 microcomputer protection device is suitable for low current grounding system with voltage levels of 10kV 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 series of products also includes automatic equipment such as reserve power automatic switching, section switch automatic switching, PT paralleling, etc.
NR-620 series: overall size 149mm(width)*188mm (height)*108mm(depth),
                           opening size 140mm (width)*160mm(height).

Model description

NR-620 microcomputer protection device	suitable for incoming and feeder cabinet
NR-622 microcomputer protection device	suitable for two-way power supply incoming line and busbar connection cabinet
NR-623 microcomputer protection device	suitable for monitoring and paralleling of PT cabinet and two groups of PT
NR-623A microcomputer protection device	suitable for monitoring and protection of PT cabinet and a group of PT
NR-624 microcomputer protection device	suitable for motor protection

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,
DC24V
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