PZ30 Lighting Distribution Box - Reliable Power Solutions from China Suppliers & Factory for Commercial Use
Overview
PZ30 series lighting distribution boxes are widely used in high-rise buildings, hotels, hospitals, restaurants, stations, ports, airports, computer rooms, laboratories, schools, industrial and mining enterprises and civil buildings. They are used for overload, short circuit and leakage protection energy metering in lighting and small-capacity power lines with AC 50~60Hz, rated voltage up to 400V in three-phase systems and voltage at 230V in single-phase systems, with a total current of 100A and below. They can also be used for infrequent on-off lighting lines, daily electrical appliances and small-capacity motors under normal conditions.
Standard Compliance: GB7251.3 "Low-voltage complete switchgear and control equipment, Part 3: Special requirements for low-voltage complete switchgear and control equipment for sites accessible to non-professionals - distribution boards".
Environmental conditions for use
Altitude not exceeding 2000m.
Ambient temperature: -5℃~+40℃, the average value within 24 hours shall not exceed +35℃.
The monthly average relative air temperature at +20℃ shall not exceed 90%.
Atmospheric conditions: Relative humidity shall not exceed 50% at +40°C, and up to 90% at +25°C in wet months.
Installation site must be free from severe vibration and impact.
No explosion hazards, corrosive gases, or conductive dust that could damage insulation.
Product Introduction
The design of this distribution box meets the strict requirements of GB7251.3 standard (which applies to low-voltage complete switchgear and control equipment). PZ30 is particularly suitable for environments that are easily accessible to non-professionals, ensuring safe and reliable daily use. Its design allows infrequent switching operations on lighting circuits, daily electrical appliances and small-capacity motors under normal circumstances, making it a practical solution for residential and commercial installations.
The operating parameters of the PZ30 lighting distribution box have been carefully designed to ensure optimal performance. It is designed to operate effectively in environments with an altitude of no more than 2000 meters and a temperature range of -5℃ to +40℃. The 24-hour average temperature must not exceed +35℃, and the monthly average relative humidity at +20℃ should be kept below 90%. These specifications ensure that the distribution box operates reliably in a variety of environmental conditions and is suitable for a variety of applications.
Installation conditions are critical to the performance of the PZ30 lighting distribution box. It is important to install the distribution box in a location free from severe vibration and shock, as these factors may affect its integrity and functionality. The installation location must be free from explosion hazards and should not contain gases or conductive dusts that could corrode metal parts or damage insulation. Following these guidelines will help maintain the life and reliability of the distribution box.
The PZ30 lighting distribution box is a rugged and reliable solution for power distribution management in a variety of environments. It complies with industry standards and is able to operate under specific environmental conditions, making it an ideal choice for high-rise buildings, hotels, hospitals and other places. By understanding the functions and requirements of the PZ30, users can ensure safe and efficient power distribution, ultimately improving the performance of their electrical systems.
Frequently Asked Questions (FAQ)
What are the primary applications of the PZ30 series distribution box?
The PZ30 series is widely used in high-rise buildings, hotels, hospitals, schools, stations, ports, airports, and industrial enterprises for overload, short circuit, and leakage protection in lighting and small-capacity power lines.
What electrical standards does the PZ30 distribution box comply with?
It complies with the GB7251.3 standard, which outlines specific safety and operation requirements for low-voltage complete switchgear and control equipment in locations accessible to non-professionals.
What are the temperature and altitude limits for operating the PZ30?
The distribution box operates reliably at an altitude of up to 2000 meters and within a temperature range of -5℃ to +40℃, provided the 24-hour average temperature does not exceed +35℃.
What are the installation requirements regarding vibration and hazard safety?
It must be installed in a location free from severe vibration or impact, with no explosion hazards, and free from corrosive gases or conductive dusts that could damage the unit's metal parts and insulation.
Can the PZ30 box be used for single-phase and three-phase systems?
Yes, it is designed for rated voltages up to 400V in three-phase systems and 230V in single-phase systems, with a total current capacity of 100A and below.