Product Details of ZS Type Draw-out Switchgear

I. Product Introduction

ZS type draw-out switchgear (hereinafter referred to as ZS switchgear) is a low-voltage complete power distribution equipment designed and developed in accordance with GB/T 14048.1-2012, GB/T 14048.2-2020 and IEC 60439 international standards. It is positioned as highly efficient, safe, reliable, easy to maintain and flexibly expandable.

It is widely used in industrial enterprises, commercial buildings, residential quarters, public facilities, data centers, substations and other places. As core equipment for low-voltage main power distribution, power distribution and control distribution, it undertakes the important functions of power distribution, equipment control and fault protection.

ZS switchgear adopts a modular and draw-out structure. Electrical components such as circuit breakers, contactors, relays, fuses and instruments are integrated into withdrawable unit modules. Each functional unit (incoming unit, outgoing unit, capacitor compensation unit, control unit) can be independently drawn out and inserted to realize maintenance and quick replacement without power outage, solving the problems of complicated maintenance and large-scale power interruption of traditional fixed switchgear.

The equipment adopts a closed cabinet structure with high protection grade, standardized internal layout and excellent heat dissipation, which can effectively resist dust, moisture and foreign matters, ensuring long-term stable operation.

Compared with traditional fixed switchgear, ZS draw-out switchgear has obvious advantages: compact structure, high space utilization, convenient operation, high safety, reliability and strong expandability. Loops, components and protection functions can be flexibly configured according to user demands, supporting later expansion without replacing the whole cabinet, greatly reducing reconstruction cost.

In addition, complete interlock mechanisms are integrated to avoid misoperation risks such as mis-closing, mis-opening and mis-insertion, ensuring the safety of operators and equipment. The switchgear can be equipped with an intelligent monitoring system to realize real-time monitoring of voltage, current, power, temperature and other parameters, supporting fault alarm, remote control and data upload, helping users achieve intelligent and refined power distribution management.

II. Technical Specifications(Customizable)

1. Main Electrical Parameters

• Model: ZS-□/□-□ (rated current, rated voltage, number of circuits)

• Rated voltage: AC 380V/222V, optional AC 660V

• Rated frequency: 50Hz, 60Hz for export

• Rated current: 250A, 400A, 630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A

• Rated short-time withstand current: 15kA, 20kA, 25kA, 31.5kA, 40kA (1s)

• Rated peak withstand current: 37.5kA, 50kA, 63kA, 80kA, 100kA

• Number of circuits: 4, 6, 8, 10, 12, 16, 20, 24, customizable up to 36

• Draw-out unit types: incoming, outgoing, compensation, control, metering, backup

• Main circuit breaker: MCCB, ACB (optional)

• Protection functions: overload, short-circuit, earth leakage (optional), under-voltage, over-voltage, temperature protection

• Power factor: 0.8–0.95, can be upgraded to ≥0.95 with compensation

2. Structure & Environmental Parameters

• Structure: modular draw-out, three positions: service, test, disconnected

• Cabinet material: cold-rolled steel 2.0–3.0mm with plastic spraying; 304/316 stainless steel optional

• Protection degree: standard IP40, optional IP54, IP55

• Cooling: natural ventilation, optional forced air cooling

• Operation: manual standard, electric and remote control optional

• Interlocks: drawer-breaker, drawer-door, on-off interlocks to prevent misoperation

• Ambient temperature: -10℃～+40℃, customizable -25℃～+55℃

• Altitude: ≤2000m, up to 4000m for plateau type

• Relative humidity: ≤90% non-condensing

• Installation: indoor floor-mounted

• Standards: GB/T 14048.1, GB/T 14048.2, IEC 60439-1, GB 7251.1

• Design life: 20 years, maintenance-free period: 5 years

• Plug-in life of draw-out units: ≥1000 times

• Intelligent monitoring: real-time measurement, remote alarm, remote control optional

• Standard dimensions: 800×600×2200mm, 1000×600×2200mm, 1200×600×2200mm

III. Main Features

1. Draw-out Structure, Easy Maintenance, Non-stop Operation

• Independent draw-out units with high interchangeability.

• Three-position switching: service, test, disconnected.

• Maintenance and replacement can be done without interrupting the whole power supply.

• Fast plug-in connection, safe and convenient, greatly improving maintenance efficiency.

2. High Safety & Reliability, Perfect Protection & Interlocks

• Complete interlock system to prevent misoperation and electric shock.

• High protection grade, dustproof and damp-proof.

• High-quality brand components, reliable and long service life.

• Excellent insulation performance in line with national standards.

3. Modular Design, Compact Structure, High Space Utilization

• Modular integrated design, reasonable layout.

• Space utilization improved by more than 30% compared with traditional switchgear.

• Small footprint, suitable for narrow distribution rooms.

• Standardized units with strong interchangeability.

4. High Current Capacity, Good Heat Dissipation, Strong Overload Performance

• Wide rated current range, high short-circuit withstand capability.

• Optimized ventilation and optional forced cooling.

• Strong overload capacity for fluctuating load conditions.

5. Strong Expandability, Flexible Customization

• Customizable circuits, current, functions and protection.

• Optional cabinet material and protection degree for harsh environments.

• Easy later expansion by adding units without replacing cabinets.

6. High Intelligence, Efficient Operation & Maintenance

• Optional intelligent monitoring for real-time data and remote control.

• Fault recording and analysis for quick troubleshooting.

• Reduces on-site duty and maintenance cost.

7. Long Service Life, Maintenance-free, High Cost Performance

• Design life up to 20 years.

• 5-year maintenance-free period.

• Low long-term operation cost, higher cost performance than fixed switchgear.

IV. Application Scenarios

1. Industrial Production

• Machinery, electronics, food, textile, automobile manufacturing.

• Mining, cement, chemical, metallurgy.

• Industrial parks with centralized power distribution.

2. Commercial & Residential Buildings

• Residential quarters, high-rise buildings, villas.

• Shopping malls, supermarkets, hotels, office buildings.

3. Public Facilities & Municipal Engineering

• Schools, hospitals, stadiums, libraries.

• Sewage treatment, waste treatment, road lighting.

• Subways, high-speed rail stations, airports.

4. Data Centers & New Energy

• Data centers requiring 24h stable power supply.

• Energy storage power stations.

• Distributed photovoltaic and wind power systems.

5. Special Environments

• Humid, dusty, corrosive, coastal, low-temperature environments.

• Laboratories, precision electronics workshops requiring frequent maintenance.