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Backup Switching Devices
Sungrow ATS250
Official manufacturer
GLOBAL
verified Sept. 3, 2026
Unresolved safety-relevant conflict
Two sources give different figures for a value on this product and nobody has resolved it. The specifications below are shown as recorded, but this product must not be treated as verified for engineering purposes until the conflict is closed.
Identity
| category |
backup_switching_devices
|
| device_type |
Seamless on/off-grid switching cabinet (automatic transfer switch)
|
| manufacturer |
Sungrow
|
| model |
ATS250
|
| product_name |
ATS250
|
| region |
GLOBAL
|
| segment |
Commercial & Industrial energy storage
|
Electrical
| rated_current |
UNKNOWN
|
| rated_diesel_generator_power |
500 kVA
|
| rated_ess_power |
250 kVA
|
| rated_grid_power |
500 kVA
|
| rated_load_power |
250 kVA
|
| rated_operating_frequency |
50 Hz
|
| rated_operating_voltage |
400 V
|
| rated_pv_power |
500 kVA
|
| short_circuit_rating |
UNKNOWN
|
| switching_time |
UNKNOWN
|
Physical / mechanical
| dimensions_w_h_d_mm |
1150 x 2450 x 1610
|
| mounting |
Floor-standing cabinet
|
| weight_kg |
1985
|
Installation
| role |
Seamless power switchover between grid and off-grid modes; backup power source reducing diesel generator dependency
|
| topology |
Interconnects grid, PV, diesel generator, loads and the ESS cabinet
|
| used_with |
ST200CS ESS cabinet (as named in the manual)
|
Environment
| humidity |
UNKNOWN
|
| max_altitude_m |
UNKNOWN
|
| operating_temperature_c |
-30 to 50
|
Interfaces & connectors
| communication |
Ethernet (CAT6A), CAN, RS485, DO ports
|
| protocols |
UNKNOWN
|
Certifications
| marks |
UNKNOWN
|
| standards |
References IEC 62477-1; local compliance required. No certification marks listed in the manual.
|
Recorded conflicts
electrical.rated_operating_voltage Review required
400 V (rated operating voltage), rated grid power 500 kVA — https://info-support.sungrowpower.com/product-materials/e182e22b-6d68-496d-b24d-9b01adea9251.pdf
"4000 V AC" rated voltage, "5000 kVA" grid switching capacity — https://www.sungrowpower.com/in/en/products/c-i-energy-storage-system/b-ats250
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| manufacturer_legal_entity_as_printed | Sungrow Power Supply Co., Ltd. |
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