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How to reduce DC Isolating Switch failure frequency?
To fundamentally reduce the failure rate of DC isolating switch, you need a three-pronged strategy: selecting arc-resistant, certified components, such as Suntree's specialized models;
• Adopt DSP full digital control mode .
• High precision MPPT controller.
• The battery has a balanced charging mode
• The battery can be used or not PV maximum input voltage 500Vdc.
• Both the power grid and PV are preferred.
• Monitoring system WIFI/GPRS optional
• Support 6 machines parallel, the composition of three-phase four-wire power generation system
• The photovoltaic power is insufficient, and the photovoltaic can be combined with the power grid and battery to supply the load
• Economic mode can be used to charge and discharge the inverter
• Power grid and oil machine can be freely selected
| DATASHEET | SAL 3.5K_US | SAL 5K_EU |
| Battery Input/Output Data | ||
| Battery Voltage | 48VDC | |
| Hybrid Charging Maximum Charging Cu | 60A | 100A |
| Battery Type | LITHIUM/LEAD-ACID | |
| SOLAR INPUT DATA | ||
| Maximum PV Array Power | 4500W | 6000W |
| MPPT Range @ Operating Voltage | 120VDC-450VDC | |
| Maximum PV input Current | 15A | 22A |
| Number of independent MPP Trackers/ Strings Per MPP Tracker |
1/1 | |
| Maximum PV Array Open Circuit Voltage |
500VDC | |
| Maximum Solar Charge Current | 60A | 100A |
| AC OUTPUT DATA | ||
| Rated Power | 3500VA/3500W | 5000VA/ 5000W |
| Parallel Capability | NO | Yes,6 units maximum |
| AC Voltage Regulation (Battery Mode) |
120VAC±5% @ 50/60Hz | 230VAC±5% @ 50/60Hz |
| Surge Power | 7000VA | 10000VA |
| Efficiency (Peak) | 92% | |
| Waveform | Pure sine wave | |
| Transfer Time | 10ms typical,20ms Max | |
| AC CHARGER DATA | ||
| Charge Current | 40A | 60A |
| AC Input Voltage | 120VAC | 230VAC |
| Selectable Voltage Range | 90-140vAC(For Personal Computers) 90-140 VACVAC(For Home Appliances) |
170-280 VAC(For Personal Computers); 90-280 VAC(For Home Appliances) |
| Frequency Range | 50Hz/60Hz(Auto sensing) | |
| PHYSICAL DATA | ||
| Protection Degree | 1P20 | |
| Dimension (W/H/D) | 335*128*480 | 335*128*480 |
| Net Weight | 12Kg | |
| OPERATING ENVIRONMENT DATA | ||
| Certificate | CE(IEC62109-1) / CETL(UL1741C22.2 NO.107.1) 1-6PCS | |
| Humidity | 5% to 95% Relative Humidity (Non-condensing) | |
| EMC Certification Level | EN61000,C2 | |
| Altitude | <2000m | |
| Operating Temperature | 0℃-55℃ | |
| Storage Temperature | -15C-60℃ | |
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