Suntree SQ8W-63/4P 63A ATS
Suntree SQ8W-63/4P 63A Four-Pole Automatic Transfer Switch
The Suntree SQ8W-63/4P Automatic Transfer Switch (ATS) is designed to transfer a compatible electrical load between two AC power sources, such as utility mains and a standby generator or compatible inverter system. It helps maintain power availability when the normal source fails and can return the load to the preferred source when supply is restored, according to the device's operating mode.
With a 63A rated current and four-pole configuration, this model is intended for compatible three-phase AC systems where switching the neutral conductor is required.
Key Features
- 63A rated current: For electrical systems designed within the device's ratings.
- Four-pole switching: Switches three phases and neutral in compatible installations.
- Automatic power transfer: Changes between normal and standby power sources.
- AC 230V/400V series ratings: Confirm the exact operating voltage for the supplied configuration.
- Backup-power compatibility: Can be used in suitably designed mains, generator and inverter installations.
- Overload and short-circuit protection: Listed for the SQ8W series; verify the precise protection functions of the supplied unit.
- Compact installation: Intended for mounting in an appropriate electrical distribution enclosure.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Suntree |
| Series | SQ8W |
| Model | SQ8W-63/4P |
| Product type | Automatic transfer switch (ATS) |
| Rated current | 63A |
| Number of poles | 4P |
| Typical system | Compatible three-phase AC installation |
| Rated operating voltage | AC 400V for compatible three-phase applications; confirm nameplate |
| Series rated operating voltage | AC 230V / AC 400V |
| Rated insulation voltage | AC 690V |
| Rated impulse withstand voltage | 4kV |
| Rated short-circuit making capacity (Icm) | 6kA |
| Rated short-circuit breaking capacity (Icn) | 4.5kA |
| Control supply | 230V AC, 50Hz, according to series documentation |
| Transfer time | Up to 3 seconds without additional time delay, according to series documentation |
| Electrical equipment class | CB class, according to manufacturer series information |
These are published SQ8W series specifications. Confirm the exact 63A four-pole model's nameplate and manual before relying on any rating for system design.
Applications
- Three-phase mains-to-generator changeover
- Compatible three-phase inverter backup systems
- Commercial and residential backup-power installations
- Electrical distribution boards with two AC power sources
- Other compatible systems requiring four-pole automatic source transfer
Installation and Safety
Verify that the ATS is suitable for both power sources, the load, the system voltage and the required neutral-switching arrangement. Correct upstream overcurrent protection, fault-current coordination and earthing are essential.
This is an AC transfer switch, not a solar-panel DC isolator. Do not assume the device replaces all required circuit protection. Installation and commissioning should be carried out by a qualified electrician following the manufacturer's wiring instructions.
Order from Coastalsolar Africa
Contact Coastalsolar Africa to confirm price, stock availability, warranty and delivery to Mombasa, Kilifi, Malindi, Watamu, Diani, Ukunda, Kwale and Lamu.
The Suntree SQ8W-63/4P is a 63A four-pole automatic transfer switch designed for compatible AC backup-power systems. It transfers a load between two power sources, such as utility mains and a standby generator or compatible inverter. Confirm the exact voltage rating, neutral-switching requirements, protection functions and stock availability with Coastalsolar Africa. Delivery enquiries welcome from Mombasa, Kilifi, Malindi, Watamu, Diani, Ukunda, Kwale and Lamu.
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