Discontinued
GridSun String Inverter
SPT Pilot Series 557
High-performance GridSun String Inverter engineered for demanding renewable-energy installations.
- 2-year warranty
- Worldwide support
- Certified & compliant
Configure your model
Output Power (W)
AC Output Voltage (V)
Frequency (Hz)
Protection Level
Select every option to reveal the matching model.
Specifications
Model: GridSun String Inverter - Model 1
Cycle Life
- Cycle Life @ 80% DoD
- 2006
AC Output
- THD (%)
- 2770
- Surge Power (20s) (W)
- 3213
- Continuous Output Power (W)
- 2235
- Output Frequency (Hz)
- 1176
Maximum Ratings
- Max System Voltage (V)
- 3716
Certifications
- RoHS Compliant
- No
Communication
- Supported Protocols
- IP54 rated
Charge Parameters
- Charge Voltage (V)
- 3409
- Max Charge Current (A)
- 721
Electrical Parameters
- Max Input Voltage (V)
- 4278
- Rated Current (A)
- 2903
- Nominal Voltage (V)
- 561
Load Output
- Load Current (A)
- 4391
Battery Parameters
- Supported Battery Types
- Aluminium / Powder-Coated
- Float Voltage (V)
- 2768
Mechanical Characteristics
- Weight (kg)
- 1977
Electrical Characteristics
- Module Efficiency (%)
- 4499
- Short Circuit Current Isc (A)
- 1991
- Voltage at Pmax Vmpp (V)
- 3544
Nominal Parameters
- Nominal Capacity (Ah)
- 2404
- Nominal Cell Voltage (V)
- 4451
Discharge Parameters
- Max Continuous Discharge (A)
- 3842
- Discharge Cut-off Voltage (V)
- 4080
DC Input
- DC Voltage Range (V)
- MC4 / Anderson
Efficiency
- Peak Efficiency (%)
- 1395
Protection
- Ingress Protection
- LiFePO4 / AGM / Gel
Mechanical Parameters
- Dimensions (mm)
- -25 C to +60 C
PV Input
- Max PV Power (W)
- 2306
Highlights
- Class-leading conversion efficiency
- Wide operating temperature range (-25 C to +60 C)
- Multiple communication protocols (RS485 / CAN / Bluetooth / Wi-Fi)
- Advanced protection: OCP / OVP / SCP / OTP / reverse polarity
- Modular, stackable, rack-friendly form factor
- CE / RoHS / IEC 62109 / FCC compliant
Downloads
Applications
Residential solarOff-grid cabinsCommercial rooftopsMarine and RVTelecom backupMicro-grids
Certifications
CERoHSIEC 62109FCC
Related Products
No related products.