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  • ABB NPSI04 Power Supply
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  • ABB NPSI04 Power Supply

    110V-380V
    5W-130W
    1A-30A
    1 year
    30
    United States, France, Japan, Viet Nam, Australia, Russia, Germany, Italy, Arabia
    NPSI04 Power Supply
    • ¥7829.00
      ¥9961.00
      ¥7829.00
      ¥7829.00
    • Satisfaction:

      Sales: 0

      Review: 0

    Weight:2.000KG
    • Quantity:
    • (Inventory: 2)
Description
NPSI04 Power Supply

ABB NPSI04 Power Supply

Basic Information

Product Overview: The ABB NPSI04 Power Supply is a power supply unit designed by ABB for industrial automation and other fields, and plays a key role in providing reliable power to a variety of industrial equipment.

Physical characteristics: Its appearance is usually designed to be relatively compact, so that it is easy to be installed in the control cabinet and other limited space. The casing is generally made of rugged materials with good heat dissipation and a certain level of protection against dust, humidity and other environmental factors.

Input Characteristics

Voltage range: It has a wide input voltage adaptability and can handle many different input voltage situations. For example, it may accept an input voltage range of 85 - 264V AC (alternating current) and a frequency range of roughly 47 - 63 Hz. Such an input voltage range allows it to work normally under the environment of power grids in different countries and regions, and reduces the power supply problems caused by fluctuations in the power grids or differences in the standards of power grids in different regions.

Current Characteristics: Under normal operating conditions, the input current is related to the output power demand and input voltage. When the input voltage is at a lower value and the output power is close to full load, the input current will increase accordingly, but it will be controlled within the safe range to ensure the normal operation of the power supply and comply with the electrical safety standards. At the same time, it also has a certain inrush current resistance to cope with instantaneous fluctuations in the power grid or current shocks during equipment start-up.

Output Characteristics

Voltage output: mainly provides stable direct current (DC) output voltage. The common output voltage is 24V DC, and the accuracy of the output voltage is high, with an error range of ±1% - ±3%. This high-precision output voltage is very important for industrial equipment (such as high-precision sensors, precision controllers, etc.) that require precise power supply to ensure the stable operation of such equipment. Moreover, it can effectively maintain the stability of the output voltage under load changes and input voltage fluctuations.

Current and Power Output: The size of the output current determines how many devices or how much power it can supply to the devices.The output current specification of NPSI04 power supply has various choices, and the output current capacity can reach a certain number of amperes, such as 4A - 10A or so (depending on the product model). Based on the power formula P = UI (P is power, U is voltage, and I is current), the NPSI04 has an output power of 192W at 24V DC output voltage and 8A output current, which makes it possible to provide sufficient power for multiple loads at the same time, such as powering multiple I/O modules, sensors, or small controllers.

Load Adjustment Ratio and Linear Adjustment Ratio: Low Load Adjustment Ratio and Linear Adjustment Ratio. Load regulation is the relative rate of change of output voltage when the load current changes from no load to full load; linear regulation is the relative rate of change of output voltage when the input voltage varies within the allowable range. The lower of these two adjustment ratios means that the output voltage can remain relatively stable under fluctuating input voltage or changing load, thus ensuring the quality of power supply.

Functional Features

Protection Functions

Overcurrent Protection (OCP): When the output current exceeds the rated current, the power supply will automatically activate the overcurrent protection mechanism. This may include limiting the output current or temporarily cutting off the output to prevent the power supply and connected devices from being damaged by excessive current. The trigger threshold for overcurrent protection is usually adjustable or automatic based on preset criteria, e.g., protection is triggered when the output current reaches 120% - 150% of the rated current.

Overvoltage protection (OVP): The overvoltage protection function is triggered in the event of an abnormally high output voltage. The monitoring circuit inside the power supply will detect the overvoltage condition and take corresponding measures, such as stabilising the output voltage within the safe range or cutting off the output completely, to protect the connected equipment from damage caused by excessive voltage. The overvoltage protection threshold is generally set at about 110% - 130% of the output voltage rating.

Short Circuit Protection (SCP): If a short circuit condition occurs at the output, the power supply will not be damaged, but will quickly cut off the output current to avoid the internal components of the power supply from burning due to the excessive short circuit current. After the short-circuit situation is lifted, some power supplies can also automatically resume normal output, which greatly improves the reliability of power supplies in complex industrial environments.

Stability and Reliability Improvement

Temperature Compensation: The internal circuit design takes into account the effect of temperature on the output voltage, and through the temperature compensation technology, the output voltage can be kept stable in different operating temperature ranges. For example, in the industrial ambient temperature range of - 20℃ - + 70℃, the change of output voltage can still be controlled within the allowable accuracy.

Electromagnetic compatibility (EMC): good electromagnetic compatibility, on the one hand, to resist external electromagnetic interference, such as electromagnetic radiation from other industrial equipment, electrostatic discharge, etc.; on the other hand, the electromagnetic interference generated by itself is also within the prescribed range, will not cause adverse effects on the surrounding electronic equipment. This is achieved through reasonable circuit layout, shielding measures and filtering techniques.

Redundancy design (optional): Some models may support redundancy, which means that two or more power supplies can be configured to work simultaneously, so that when one of them fails, the other can seamlessly take over all or part of the load to ensure the continuity of power supply. This is important for critical industrial applications where power outages are not permitted (e.g. powering critical instrumentation in chemical process control).

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