ABB NSD570 1KHW001037R0001 Power Supply Unit

ABB NSD570 / 1KHW001037R0001 Full English Product Specification
Basic Product Information
Brand: ABB
Main Model: NSD570
Full Order Part No.: 1KHW001037R0001
Product Name: High-Voltage Grid Teleprotection Power Supply Unit
Place of Origin: Sweden
HS Code: 8504403000
Compatible System: ABB NSD570 Modular Teleprotection Platform for Transmission Line Protection
Mounting: Standard 19-inch cabinet rack mounting, IP30

Physical Specifications
Overall Dimension: 278 mm (L) × 195 mm (W) × 60 mm (D)
Net Weight: 1.5 KG
Housing: Aluminum alloy heat dissipation shell with electromagnetic shielding
Wiring Terminals: Screw terminal blocks for AC/DC input and multi-channel DC output
Display & Indicator: Digital voltage display, LED for input power, each DC output and fault alarm
Electrical Input Specifications
1. Universal Wide Input Range: 100–240 VAC 50/60Hz, 110–250 VDC dual input compatible
2. Max Input Power: 120 W
3. Input Power Factor: ≥0.9
4. Operating EnvironmentWorking Temperature: -20°C ~ +60°C
Storage Temperature: -40°C ~ +85°C
Humidity: 5%–95% non-condensing, salt fog resistant for substation environment
5. Grid Standard Compliance: IEC 60255 electrical protection equipment standard
Multi-Channel DC Output Interfaces
1. Main Logic Output: +24 VDC / 4 A continuous for protection CPU and communication modules
2. Auxiliary Isolated Output: ±15 VDC / 2 A for analog signal acquisition boards
3. Field Transmitter Auxiliary Output: +5 VDC / 1 A for fault recording and status indicator circuits
4. Redundancy Parallel Signal Output: Dedicated interlock pin for multiple power supply parallel redundant operation
5. Fault Alarm Relay Output: Passive Form C contact signal for substation remote fault alarm system
6. Digital Display Output: Real-time input/output voltage digital visualization
Core Technical Parameters
Overall Conversion Efficiency: Up to 90% full load
Protection Mechanisms: OVP overvoltage, OCP overcurrent, SCP short-circuit, OTP overheat automatic shutdown
Redundancy Support: Multiple units parallel hot redundant operation
Cooling Mode: Fanless natural air convection cooling
Anti-vibration Standard: Compliant with substation IEC 60068 vibration test
Application Scope: High-voltage transmission line teleprotection equipment power supply