Overview
Product Details
Application
The NDQ2A-250 ATSE are applicable for sites with the AC voltage below AV400V and the rated frequency of 50Hz. This product complies with the IEC60947-6-1 and GB/T14048.11-2016 standards in accordance with Code for Fire Protection of High-rise Civil Buildings, Code of Design on Building, Design Guidelines on Emergency Lighting, Code for Electrical Design of Civil Buildings etc.
This product mainly applies to the compulsory level I load, which is widely used in important places that require the continuous power supply, such as fire protection, telecommunications, hospitals, hotels, urban rail transits, high-rise buildings, industrial assembly lines and TV stations.
Specification:
- Poles: 2P, 3P, 4P
- Rated Current: 32~250A
- Rated Voltage: AC230V (2P) AC380/400V (3P,4P)
- Control Mode: R-Automatic charge and automatic recovery
S-Automatic switching and non-automatic recovery
- Rated Frequency: 50Hz
- Rated Insulation Voltage Ui: AC800V
- Rated Impulse Withstand Voltage Uimp: 8kV
- Rated Limited Short-circuit Current Iq: 120kA
- Minimum Conversion Time Max: ≤3.3s
- Control Voltage: AC230V
- Utilization Category: AC-33B
- Switch Position: Three-segment Type
- Structure Form: Integral Type
- Power Supply Mode: Grid-grid, grid-generator
Wokring Conditions:
- Operating Ambient Temperature: -25℃~+70℃
- Storage Ambient Temperature: -55℃~+85℃
- Altitude: ≤2000m
- When the ambient air temperature in the installation place is 40℃, the relative humidity of the air shall not exceed 50%. A higher relative humidity is allowed under a lower temperature. For example, the average minimum temperature is 20℃, the average maximum relative humidity in the current month can be up to 90%. Proper measures should be taken to address condensing due to temperature fluctuation for protection reasons.