SAJ ATS1-T63-A
Description
Automated whole-home emergency power transfer on single-phase grids.
SAJ ATS1-S63-A is a 63 A single-phase automatic transfer switch panel delivering sub-10 ms grid isolation and whole-home emergency power for SAJ single-phase hybrid solar and storage installations.
63 A Main Service Grid Pass-Through
Handles heavy domestic single-phase service entrances up to 63 A continuous load without panel upgrades.
Sub-10 ms Seamless Emergency Power
Automatically keeps critical home electronics, Wi-Fi, and refrigeration powered during utility outages.
Zero Utility Back-Feeding
Utility-grade mechanical interlocking contactors eliminate dangerous reverse-power flow during grid line repairs.
IP65 Heavy Weatherproof Enclosure
Weather-sealed casing certified for outdoor installation beside main utility service meters (-25 to +60 °C).
More product details
When the utility grid fails, domestic appliances and electronics shut down immediately. The ATS1-S63-A senses voltage dropouts instantly, opening motorized grid contactors and commanding the inverter to establish an off-grid microgrid.
- Motorized interlocked contactors achieve full physical galvanic isolation within <10 ms of grid drop.
- Eliminates micro-interruptions on critical home electronics, routers, and heating controls.
- Direct communication interface coordinates safety tripping with SAJ single-phase inverters.
SAJ ATS1
Compare different models
Scroll sideways to compare every model.
2 models
Ingress protection
IP54
IP54
Operating temperature
-25 to +50 °C
-25 to +50 °C
Weight
15.8 kg
15.8 kg
Heavy-duty switchgear engineered for harsh electrical environments.
Carrying up to 63 A grid current under continuous domestic load, the switch features heavy internal busbars, motorized disconnect mechanisms, and an IP65 outdoor enclosure. Sized to carry full single-phase main service currents up to 63 A continuously. Heavy-duty terminal blocks accommodate large copper conductors up to 16 mm² / 25 mm². IP65 weatherproof casing installs cleanly indoors in switchrooms or outdoors beside main utility meters (-25 to +60 °C).
32 A into the inverter port.
S63 is sized for single-phase S-model hybrids. Grid and backup remain 63 A.
Listed for S-series single-phase.
H1 and H2/HS2/HS3 single-phase S models are on the compatibility list. The three-phase H2 T3 10-30K line is not.
Technical data
The dedicated automatic transfer switch panel engineered for SAJ single-phase hybrid systems.
63 A single-phase automatic transfer switch for whole-home emergency power.
Designed exclusively for SAJ single-phase hybrid inverters, the ATS1-S63-A enables automated whole-home backup power. Handling up to 63 A continuous grid current (14.5 kVA total) and up to 32 A inverter backup current, its motorized contactors provide rapid sub-cycle isolation during utility blackouts, keeping domestic circuits live without human intervention.
- Main Grid Capacity
- 63 A
- Inverter Backup Port
- 32 A
- Sub-Cycle Transfer
- < 10 ms
- Outdoor Enclosure
- IP65
Function and switching
- Switching time
- 50 ms
- Grid connection
- Single-phase
- Inverter connection
- Single-phase
- Backup connection
- Single-phase
Grid side
- Nominal voltage range
- 220, 230, 240 / 198~253 V
- Rated current
- 63 A
- Frequency
- 50/60 Hz
Inverter side
- Nominal voltage range
- 220, 230, 240 / 180~280 V
- Rated current
- 32 A
- Frequency
- 50/60 Hz
Backup side
- Nominal voltage range
- 220,230,240/198~253 V
- Rated current
- 63 A
- Frequency
- 50/60 Hz
Compatibility
- Compatible inverters
- H1-3/3.6/4/4.6/5/6K-S2H2-3/3.6/4/4.6/5/6K-S2 H2-5/6K-S3 · HS2-3/3.6/4/4.6/5/6K-S2-X HS3-3/3.6/4/4.6/5/6K-S2-W/4G-EX
- Metering accessory
- Meter module or eManager
Physical and environment
- Dimensions
- 520*518*142 mm
- Weight
- 15.8 kg
- Ingress protection
- IP54
- Operating temperature
- -25 to +50 °C
- Ambient humidity
- 0–95%, non-condensing
- Altitude
- 3000 m
- Protection class
- Class I
Compliance
- Applicable standard
- IEC/EN 61439
- Overvoltage category
- III
- Warranty
- 2 years
Project fit
Where this model fits.
Scenarios that show which projects the SAJ ATS1-S63-A (single-phase automatic transfer switch, 63 A) belongs in, what to verify before quoting, and when another model is the better pick.
Project scenario
Whole-Home Single-Phase Backup for SAJ Hybrid Inverters
Single-phase homes deploying SAJ hybrid inverters where automated whole-home backup power is required.
Allows passing full 63 A utility current through the switch while providing automatic sub-10 ms backup transition for inverters up to 32 A.
What Linker confirms with you
- Confirm this model against the adjacent rating in the same family
Documents
SAJ ATS1 series datasheet (ES, both single- and three-phase columns) SAJ ATS1 Automatic Transfer Switch Datasheet (ES)Product questions
What is the continuous current rating on the grid vs inverter ports?
Grid port is 63 A max; Inverter port is 32 A max (Single-Phase 230 V). The grid connection is sized for full 63 A continuous service entrance currents, while the inverter port accepts up to 32 A continuous AC backup input (supporting up to 7.3 kW single-phase hybrid inverters).
System components
Recommended components
SAJ eManager (eManager 5.0)
Item number: DLK-SAJ-EMANAGER
SAJ's ATS1 datasheet names the accessory option as a meter module or an eManager; the eManager is the one de-linker stocks.
Related products