The SUNTREE SQ5 Dual Power Automatic Transfer Switch (ATS) is an advanced electrical switching device that integrates mechanical switching with smart logic control, providing seamless power transfer between the main power supply and backup sources. Designed for industrial and commercial applications, the SQ5 ensures reliable, safe, and automatic switching, minimizing downtime and protecting critical equipment from power interruptions. Its robust construction and high technical standards make it suitable for medium to large-scale installations with a rated insulation voltage up to 690V, rated frequency of 50Hz/60Hz, and a nominal voltage of 380V.
Features & Benefits
- Automatic Power Switching : Seamlessly transfers load between normal power and backup sources, preventing downtime and protecting critical systems.
- Integrated Design : Combines mechanical switching with electronic logic control for reliable, efficient operation.
- High Rated Voltage & Current : Supports up to 690V insulation voltage and rated currents of 100A, 160A, and 250A for flexible load management.
- Surge & Overvoltage Protection : Rated surge resistant voltage of 8kV and dielectric strength of 5000V safeguard equipment from electrical spikes.
- High Motor Capacity : Handles motor loads up to 80kW, making it suitable for heavy-duty industrial and commercial applications.
- Durable Metal Enclosure : Provides robust protection against dust, moisture, and physical damage, ensuring long-lasting performance.
- Safe Load Isolation : Allows safe isolation of two sets of load devices, enhancing operational safety.
- Versatile Applications : Ideal for industrial facilities, commercial buildings, data centers, telecom stations, and residential complexes with backup generators or renewable energy setups.
- Easy Maintenance & Installation : Designed for simple integration into existing power distribution systems with minimal upkeep.
- Enhanced Reliability : Minimizes downtime, reduces risk of equipment damage, and ensures continuous power supply.
Use Cases
- Commercial Buildings : Ensures uninterrupted power for offices, hotels, shopping malls, and hospitals.
- Industrial Facilities : Protects production lines, machinery, and critical equipment by automatically switching to backup power.
- Data Centers & Telecom Stations : Maintains continuous operation of servers, network systems, and communication infrastructure.
- Residential Complexes & Apartments : Provides smooth transfer to generators or solar backup systems during power outages.
- Renewable Energy Systems : Integrates with solar or wind power setups for automatic load transfer and safety isolation.
- Critical Infrastructure : Ideal for control rooms, emergency services, and facilities where power reliability is essential.
- Small & Medium Enterprises (SMEs) : Keeps businesses operational in regions with frequent power fluctuations.
Value Propositions
- Reliable Power Continuity : Minimizes downtime by automatically switching between main and backup power sources.
- Enhanced Safety : Protects equipment and personnel with high surge resistance, insulation voltage, and safe load isolation.
- Operational Efficiency : Eliminates the need for manual intervention, saving time and reducing human error.
- Versatile & Scalable : Supports multiple rated currents and motor capacities, suitable for diverse applications.
- Durable Construction : Metal enclosure ensures long-lasting performance in industrial, commercial, and residential environments.
- Cost-Effective Protection : Reduces risk of equipment damage from power surges, outages, or electrical faults, saving on maintenance costs.
- Easy Integration : Compatible with generators, solar systems, and existing distribution equipment for seamless setup.
- Peace of Mind : Ensures continuous, safe, and reliable power supply for critical systems and sensitive devices.
Local Market Positioning in Tanzania
- Ideal for Unstable Grid Power : Perfect for Tanzanian regions with frequent voltage fluctuations and power outages.
- Supports Backup Generators & Solar Systems : Seamlessly integrates with common backup solutions used in homes, businesses, and industries.
- Industrial & Commercial Reliability : Meets the needs of Tanzanian factories, offices, hotels, hospitals, and shopping centers requiring continuous power.
- Compliance with International Standards : Ensures safety and reliability for Tanzanian businesses investing in quality electrical infrastructure.
- Cost-Effective Energy Management : Protects expensive equipment from electrical surges, reducing maintenance and replacement costs.
- Flexible Installation for Local Needs : Suitable for various load capacities (100A:250A) and heavy-duty motor applications common in Tanzanian industrial setups.
- Enhances Operational Confidence : Provides business owners and facility managers peace of mind with dependable, automatic power switching.
- Durable for Local Environment : Metal enclosure protects against dust, humidity, and tropical climate conditions in Tanzania.
Technical Specification
| Specification | Details |
|---|---|
| Product Name | SUNTREE SQ5 4P Automatic Change-over Switch |
| Rated Insulation Voltage (V) | Up to 690V |
| Rated Frequency | 50Hz / 60Hz |
| Rated Voltage (V) | 380V |
| Rated Current (In) | 100A / 160A / 250A |
| Rated Working Current (Ie) | 80A / 100A / 125A |
| Rated Impulse Voltage (Ui) | 500V |
| Dielectric Strength (V) | 5000V |
| Rated Surge Resistant Voltage (kV) | 8kV |
| Motor Power (P) 380V (kW) | 32 / 60 / 80 |
| Poles | 4P (Three-phase + Neutral) |
| Housing / Enclosure | Metal Box |
| Function | Automatic switching between normal & backup power; safe isolation of load devices |
| Application | Industrial, commercial, residential, renewable energy systems |
| Protection Features | Surge protection, dielectric insulation, safe load isolation |





