102, 1st Floor, Building 3, Juze Center, No. 105 Gaoxin Avenue, Shangjie Town, Minhou County, Fujian Province +86 133 0592 5031 [email protected]
Overview
The star-delta pump motor starter cabinet functions as a critical power distribution cabinet for pump motor control. Combining
the roles of an industrial distribution box and electric power box, it manages motor startup by switching between star and delta
modes to minimize grid strain. Equipped with protective components in its circuit breaker box, it ensures stable operation, making
it essential for water supply, sewage, and industrial pumping systems.
Core Components and Features
This starter cabinet can provide the star-delta starting method for both large and small motors. During motor startup, it first adopts
a star connection to reduce the starting current and minimize the impact on the power grid; once the motor speed rises to a certain
sufficient level, it automatically switches to a delta connection to enable the motor to operate normally. This starting method effectively
protects the motor, extends its service life, and reduces energy consumption during startup. Its built-in monitoring system monitors
the motor's operating status in real time, including parameters such as current, voltage, and temperature. Once anomalies like excessive
current or overtemperature are detected, it can issue an alarm signal promptly, making it convenient for staff to quickly troubleshoot
and resolve issues, thus ensuring the continuity of production.
Design and Compliance
Design:
The cabinet uses a steel electric board and reinforced enclosure to resist dust, moisture, and mechanical impact—ideal for harsh
industrial environments. Internal wiring is organized for easy access, with clear labeling on the electrical distribution panel to simplify
troubleshooting and upgrades.
Compliance:
It meets safety standards for low voltage power cabinet systems, with components like breakers and contactors certified for industrial
use. Compliance with global electrical norms ensures it operates safely in diverse regions, reducing risks of electrical hazards.
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Key Advantages
Safe Motor Protection:
The integrated circuit breaker box, along with built-in safeguards like overcurrent detectors, acts promptly to block overloads and
short circuits. This not only shields motors from damage caused by excessive current but also eliminates electrical hazards, protecting
on-site personnel and ensuring the entire pump system operates safely.
Energy-Efficient Starting:
Its core star-delta conversion technology cuts startup current significantly, easing the strain on the power grid. The power distribution
cabinet’s precise power management further enhances this effect, reducing unnecessary energy waste during the motor’s startup phase.
Durable Build:
Crafted from high-quality carbon steel and fitted with a rugged enclosure, the cabinet resists dust, moisture, and mechanical wear. Even
in harsh industrial environments with temperature fluctuations or vibrations, it maintains stable performance, extending its lifespan and
minimizing the need for frequent replacements.
Industrial Compatibility:
As a dedicated industrial distribution box, it features flexible interfaces that enable seamless integration with water supply pumps, sewage
pumps, and other pump types, adapting perfectly to diverse industrial pumping scenarios without extra modifications.
Parameter
Motor Power Range |
7.5kW - 75kW |
Starting Mode |
Star-delta (automatic conversion) |
Rated Voltage |
380V/415V (3-phase, low voltage) |
Protection Level |
IP54 |
Operating Temperature |
-10°C to +50°C |
Application Scenarios
Industrial Water Supply:
It powers critical equipment like boiler feed pumps and cooling water circulation systems in factories. The built-in power
distribution cabinet regulates current and voltage precisely, ensuring pump motors run stably without sudden shutdowns—
this stability is key to maintaining consistent water flow, which directly supports smooth production processes like machinery
cooling and production-line cleaning.
Sewage Treatment Plants:
It controls submersible sewage pumps that handle waste water. When pumps get clogged by debris (a common issue in sewage
work), the integrated circuit breaker box triggers quickly to cut off power, preventing motor overloads or burnout. This protection
ensures uninterrupted waste water collection and treatment, avoiding system backups.
Building Plumbing Systems:
It manages water circulation pumps in commercial buildings (e.g., malls, office towers). Through the electrical distribution panel,
it enables star-delta starting—this reduces startup current, preventing voltage drops in the building’s internal power grid that could
disrupt other electrical devices like elevators or lighting.
Agricultural Irrigation:
It operates large-scale irrigation pumps for farmlands. Its industrial distribution box uses durable, weather-resistant materials,
withstanding outdoor elements like rain, dust, and temperature changes. This rugged design ensures pumps work reliably during
planting and harvesting seasons, delivering steady water to crops for healthy growth.