Suntree SQ8W-63 63A 4-pole ATS
Suntree SQ8W-63 63A 4-Pole Automatic Transfer Switch
The Suntree SQ8W-63 Automatic Transfer Switch (ATS) is designed to transfer an electrical load between a normal power source and a standby source when the primary supply fails or returns, according to its configured operating mode.
With a 63A current rating and four-pole switching, this model is suitable for compatible three-phase AC installations where the neutral conductor also needs to be switched. It can be considered for appropriately designed solar inverter, utility mains and generator backup systems.
Key Features
- 63A rated current: For compatible electrical installations designed within the switch's ratings.
- Four-pole switching: Switches the three phase conductors and neutral in compatible systems.
- Automatic power transfer: Helps maintain supply by changing over between two power sources.
- Manual operation: Check the exact model's operating instructions for manual selection and control.
- AC supply compatibility: Manufacturer specifications list AC 230V/400V operation for the SQ8W series.
- Compact transfer-switch design: Intended for installation in a suitable electrical enclosure.
- Backup power applications: Suitable for correctly designed mains, generator and compatible inverter arrangements.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Suntree |
| Series/model | SQ8W / SQ8W-63 |
| Product type | Automatic transfer switch (ATS) |
| Rated current | 63A |
| Number of poles | 4P |
| Rated operating voltage | AC 230V / AC 400V, series specification |
| 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, as listed for the SQ8W series without additional time delay |
| Typical application | Compatible three-phase AC backup-power systems |
Specifications are based on Suntree's published SQ8W series information. Confirm the label and datasheet for the exact 63A 4-pole version supplied before publishing or installing.
Applications
- Three-phase mains-to-generator transfer
- Compatible solar inverter and utility backup systems
- Commercial and residential backup power
- Electrical distribution panels requiring automatic source changeover
- Other compatible AC installations with two power sources
Installation and Safety Notes
This is an AC transfer switch, not a solar-panel DC isolator. Confirm that both power sources, the load, neutral arrangement and earthing system are compatible with the four-pole device. Verify whether the connected inverter or generator permits the intended neutral switching arrangement.
The switch should be installed by a qualified electrician. Correct upstream overcurrent protection, fault-current coordination and isolation are essential. Do not assume that the ATS alone provides all required circuit protection; verify the protection features of the exact model and installation design.
Order from Coastalsolar Africa
Contact Coastalsolar Africa to confirm the price, stock availability, exact SQ8W-63 4P configuration, warranty and delivery to Mombasa, Kilifi, Malindi, Watamu, Diani, Ukunda, Kwale and Lamu.
The Suntree SQ8W-63 63A 4-pole automatic transfer switch is designed to switch between two compatible AC power sources, such as utility mains and a backup generator or inverter supply. Suitable for compatible three-phase systems, it helps maintain power availability when the primary source fails. Confirm voltage compatibility, neutral switching requirements, protection coordination, price and stock with Coastalsolar Africa. Delivery enquiries welcome from Mombasa, Kilifi, Malindi, Watamu, Diani, Ukunda, Kwale and Lamu.
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