Suntree 4 Pole 63A Automatic Changeover Switch — Three Phase ATS
Protect your three phase electrical installations from power interruptions with the Suntree 4 Pole 63 Amp Automatic Changeover Switch — a heavy-duty, intelligent, and high-performance automatic transfer switch (ATS) engineered for seamless, instantaneous switching between two three phase power sources without any manual intervention. Rated at a robust 63 Amps across 4 poles, this automatic changeover switch delivers industrial-grade reliability for three phase grid, generator, and solar power management in commercial, industrial, and large residential installations.
When your primary power source fails, fluctuates, or drops below acceptable voltage levels, the Suntree 4P 63A Automatic Changeover Switch detects the fault instantly and transfers your entire three phase load to the backup power source — automatically, reliably, and in milliseconds — keeping your operations, equipment, and critical systems running without pause.
Trusted by electrical contractors, solar engineers, facility managers, and system integrators across Kenya and beyond, the Suntree 63A 4 Pole ATS is the definitive automatic power transfer solution for three phase installations that simply cannot afford downtime.
Key Features
- 4 Pole (4P) Design: Simultaneous switching of all three phases and neutral conductor for complete three phase circuit transfer
- 63 Amp Rated Current: Heavy-duty 63A rating handles large three phase commercial, industrial, and high-demand residential loads
- Fully Automatic Operation: Instantly detects primary source failure and transfers load to backup supply without any manual intervention
- Three Phase Compatibility: Purpose-built for 380V/400V three phase power systems in commercial and industrial facilities
- Dual Power Source Management: Seamlessly switches between two independent three phase sources — grid, generator, solar inverter, or utility feed
- Ultra-Fast Transfer Time: Millisecond switching response eliminates load interruption during power source changeover
- Automatic Return to Primary: Automatically reverts to primary power source once supply is restored and confirmed stable
- Priority Source Selection: Configurable primary and backup source priority for flexible system design
- LED Status Indicators: Clear visual display of active power source, transfer status, and operational health
- Robust Heavy-Duty Construction: Built for continuous operation under demanding commercial and industrial switching cycles
- Wide Voltage Compatibility: Compatible with standard 380V/400V three phase AC power systems
- Compact Panel-Mount Design: Space-efficient form factor for installation inside three phase distribution boards and control panels
- Neutral Pole Switching: 4th pole ensures complete neutral conductor switching for safe and compliant three phase transfer
Why Choose the Suntree 4 Pole 63A Automatic Changeover Switch?
For three phase commercial and industrial operations, power interruptions are not just inconvenient — they are catastrophically expensive. A sudden grid outage can halt production lines, damage sensitive industrial equipment, spoil refrigerated stock, disrupt hotel operations, and compromise medical or telecommunications infrastructure. Manual changeover switches are too slow, too unreliable, and demand a trained operator to be physically present at the moment of failure — a luxury most businesses simply do not have.
The Suntree 4P 63A Automatic Changeover Switch eliminates every one of these vulnerabilities. The moment it detects primary source failure — whether from a grid outage, voltage fluctuation, frequency deviation, or phase loss — it automatically and instantly transfers the full three phase load to the backup source, restoring power before critical systems even begin to shut down.
The 4-pole design is essential for safe three phase automatic transfer — switching all three live phases AND the neutral conductor simultaneously. This prevents dangerous neutral floating, eliminates voltage imbalance during transfer, and ensures full compliance with IEC electrical safety standards. A 3-pole ATS that leaves the neutral unswitched is a compromise — the Suntree 4P ATS offers complete, code-compliant four conductor transfer every time.
At 63 Amps, this ATS is rated for substantial three phase loads — capable of managing entire commercial floor distributions, factory motor control centres, hotel power systems, large solar hybrid inverter outputs, and industrial refrigeration arrays — all with the confidence of automatic, always-on protection.
For solar hybrid installations, the Suntree 4P 63A ATS serves as the intelligent heart of a three phase hybrid power system — automatically prioritising three phase solar inverter output during the day and seamlessly falling back to grid or generator when solar power is unavailable — maximising renewable energy self-consumption while guaranteeing uninterrupted three phase power supply around the clock.
Applications
- Large commercial office buildings — automatic three phase grid to generator transfer
- Industrial factories and production facilities — uninterrupted three phase power for machinery and motors
- Three phase solar hybrid systems — automatic switching between solar inverter and grid/generator
- Large supermarkets and retail centres — refrigeration, HVAC, and operational continuity
- Hotels and hospitality facilities — seamless guest experience across all three phase systems
- Hospitals and medical facilities — critical three phase power backup for life-saving equipment
- Schools and universities — campus-wide three phase power continuity
- Telecommunications infrastructure — three phase base station and data centre backup
- Large borehole and water treatment plants — three phase pump system power continuity
- Agricultural and cold storage facilities — three phase refrigeration and processing continuity
- Shopping malls and commercial complexes — centralised three phase power management
- EPC solar contractors — commercial three phase hybrid solar system builds
- Data centres and server rooms — three phase UPS and backup power integration
- Generator installations — fully automatic three phase grid to generator changeover










