EN
- Overview
- Specifications
- Description
- Applications
- Features
- Competitive Advantage
- FAQ
- Recommended Products
Overview
Place of Origin: |
Sweden |
Brand Name: |
ABB |
Model Number: |
NGPS-12 857803 857804C |
Packaging Details: |
Original new Factory Sealed |
Delivery Time: |
5-7 days |
Payment Terms: |
T/T |
Supply Ability: |
In stock |
Specifications
|
Parameter |
Specification |
|
Model |
NGPS-12 (857803 / 857804C) |
|
Device Type |
Power Supply Module |
|
Dimensions |
17.4 × 11 × 5.5 cm |
|
Weight |
0.32 kg |
|
Input Voltage |
90 – 250 V AC |
|
Output Voltage |
5 V, +15 V, -15 V, 24 V, 125 V |
|
Output Current |
Max 3.5 A |
|
Model Variants |
857803: Standard version; 857804C: Conformal coating version (enhanced moisture, corrosion, and conductive dust protection) |
|
Operating Temperature |
-40 °C to +85 °C |
Description
The ABB NGPS-12 857803 857804C power board is a high-performance power module designed specifically for industrial automation control systems. It provides a stable and reliable power supply, suitable for various industrial environments, ensuring efficient system operation.
Applications
Metal and mining plants: Rolling mills or conveyor systems with high dust concentrations and drastic load fluctuations.
Paper and chemical plants: Production workshops with high humidity and corrosive gases.
Large shipyards: Variable frequency drive (VFD) control cabinets for main propellers or side thrusters.
Water treatment facilities: VFD speed control cabinets for high-power pump sets.
Features
Power Conversion: Converts the input power to the DC voltage required by the inverter's internal circuitry.
Modular Design: Facilitates installation and maintenance.
Protection Functions: Features multiple protection functions including overload, overvoltage, and short circuit protection to ensure safe operation of the equipment.
High Reliability: Employs industrial-grade components for high reliability.
Competitive Advantage
Powering the Inverter: Provides the DC power required by the inverter.
Voltage Stabilization: Stabilizes the input voltage to the voltage required by the inverter.
Inverter Protection: Provides overload, overvoltage, and short circuit protection functions.
FAQ
Q: What is NGPS-12 857803 857804C?
A: It is a Power Supply Module.
Q: Can 857803 be replaced with 857804C?
A: Absolutely. 857804C is a reinforced version with fully compatible physical dimensions and electrical characteristics.
Q: Why does a damaged NGPS-12 857803 857804C cause the IGBT to burn out?
A: If the gate drive voltage provided by NGPS is unstable or too low, the IGBT may enter an undersaturated state, generating severe heat and eventually breaking down.
Q: Can NGPS-12 857803 857804C be repaired?
A: Yes. Common repair points include replacing damaged power transistors, rectifier diodes, or dried-out capacitors, but it is recommended to have it handled by a professional industrial repair technician to ensure isolation performance.
Q: Do I need to set jumpers during installation about NGPS-12 857803 857804C?
A: Usually not, it is a pure power module. However, before replacement, you should check whether the input voltage range is consistent with the original.
