Nanhong Electric NR-610 Microcomputer Protection Device

I Overview

1.1 Scope of Application

The NR-610 microcomputer protection device is suitable for small current grounding systems with voltage levels of 66kV and below. Based on a universal design concept, this product features a reasonable functional configuration and can be used for general protection of incoming lines, outgoing lines, plant transformers, motors, and capacitors.

II. Technical Parameters

2.1 Operating Environmental Conditions

Ambient temperature: -10 to +55°C

Relative humidity: Not exceeding 95%, no condensation

Atmospheric pressure: 80 to 110kPa

Other conditions: The air around the device should not contain acidic, alkaline, or corrosive substances, and should be equipped with lightning, rain, and snow protection facilities.

Standard atmospheric conditions for testing:

Ambient temperature: +15 to +35°C

Relative humidity: 45% to 75%

Atmospheric pressure: 86 to 106kPa

Storage and transportation: -25 to +70°C

2.2 Rated Electrical Parameters

Operating power supply: ADC 100–264V

Rated current: 5A

Frequency: 50Hz