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| Categories | Off Grid Hybrid Solar Inverter |
|---|---|
| Brand Name: | 1stess |
| Model Number: | EM (PV60-500VDC) 620048L |
| Certification: | CE, IEC |
| Place of Origin: | China |
| MOQ: | 1 piece |
| Price: | To be negotiated |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability: | 2000 pieces per month |
| Delivery Time: | 30 days |
| Packaging Details: | carton box |
| Charging Mode: | MPPT |
| Operating Temperature: | -10°C To 50°C |
| Inverter Type: | hybrid solar inverter |
| Frequency: | 50Hz/60Hz |
| Output Voltage: | 48VDC |
| Size: | 438*295*105mm |
| Company Info. |
| Shenzhen First Tech Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |

| Place of Origin | China | China | China |
|---|---|---|---|
| Mounting Method | Wall Bracket | Wall Bracket | Wall Bracket |
| Nominal Battery Voltage (V) | 24VDC | 48VDC | 48VDC |
| Lithium Battery activation | YES( By PV or Utility) | YES( By PV or Utility) | YES( By PV or Utility) |
| Nominal Voltage | 230VAC | 230VAC | 230VAC |
| Lithium Battery communication | YES(RS485) | YES(RS485) | YES(RS485) |
| Frequency | 50/60Hz | 50/60Hz | 50/60Hz |
| Waveform | Pure Sine wave | Pure Sine wave | Pure Sine wave |
| Solar Charger Type | MPPT | MPPT | MPPT |
| Communication Interface | RS232+RS485 | RS232+RS485 | RS232+RS485 |
| PV Array MPPT Voltage Range | 60VDC~500VDC | 60VDC~500VDC | 60VDC~500VDC |
| Surge Power | 7000VA | 11000VA | 1240VA |
| Size | 358*295*100mm | 438*295*105mm | 438*295*105mm |
| Weight | 7kg | 9kg | 9kg |
| Operating Temperature Range | (-10'℃ to 50℃) | (-10'℃ to 50℃) | (-10'℃ to 50℃) |








FAQ: EM Series Hybrid Inverter for the Indian Market
Q1: Can this inverter handle the frequent and long power cuts
common in many Indian cities?
A: Absolutely. The EM Series is specifically designed for such
challenging conditions. With its fast transfer time (10ms for
computers) and multiple output source priorities (SUB, SBU), it
provides an uninterrupted power supply for your home or business,
switching seamlessly to battery/solar during grid failures.
Q2: Is it suitable for both urban homes and rural applications?
A: Yes. Its compact size, high efficiency, and robust build with a
detachable dust cover make it perfect for dense urban homes as well
as rural areas where dust and grid instability are common.
Q3: With India's high temperatures, will the inverter overheat?
A: The inverter is designed to operate reliably in temperatures up
to 50°C. Its high peak efficiency of 96% also means less energy is
wasted as heat, contributing to stable performance even during hot
Indian summers.
Q4: Can I use it with a tubular lead-acid battery, which is very
popular in India?
A: Yes, the inverter is fully compatible with all types of
lead-acid batteries, including the widely used tubular batteries.
The EQ function will help maintain and extend the life of your
lead-acid battery bank.
Q5: What does "Power Factor 1.0" mean for my utility bill?
A: A power factor of 1.0 means the inverter draws energy from the
grid in the most efficient way possible when in charging mode. This
reduces wasteful reactive power, which can lead to lower
electricity charges, especially for commercial consumers who are
penalized for a low power factor.
Q6: How does the "No Battery Mode" help me save money?
A: During the day when the sun is shining, you can run your
appliances directly from solar power without draining your battery.
This saves battery cycles for use at night and ultimately extends
your battery's replacement cycle, saving you significant money in
the long run.
FAQ: EM Series Hybrid Inverter for the Brazilian Market
Q1: Is the EM Series inverter certified by INMETRO?
A: We are committed to the Brazilian market and are in the process
of obtaining INMETRO certification for our EM Series. Please
contact our local representatives for the most current
certification status to ensure compliance with all local
regulations.
Q2: Can it handle the high voltage spikes common in the Brazilian
grid (Bandeiras Tarifárias)?
A: Yes. The AC input has a wide acceptable voltage range
(90V-280V), which protects your system and appliances from damage
caused by the common voltage fluctuations and spikes in the local
grid.
Q3: With high electricity costs (Bandeiras Tarifárias), how can
this inverter reduce my bill?
A: By maximizing self-consumption of solar energy, you drastically
reduce the amount of power you need to buy from the utility. The
high-efficiency MPPT and inverter ensure you get the most out of
every sun hour, shielding you from rising electricity tariffs.
Q4: Is the WiFi monitoring easy to set up for a non-technical user?
A: Yes, the optional WiFi module is designed for simple
plug-and-play setup. Once connected, you can easily monitor your
energy savings and system health through a user-friendly mobile
app.
Q5: What is the maximum solar array power I can connect for a large
home in Brazil?
A: Depending on the model, you can connect up to 6500W of solar
panels (for the EM6200 model). This is sufficient to power a large
home with high energy consumption, including air conditioning
units.
Q6: If I already have a lead-acid battery system, can I upgrade to
lithium later?
A: Yes, the inverter is future-proof. It works with both lead-acid
and lithium batteries. When you are ready to upgrade, simply
connect your new lithium battery via the RS485 port for intelligent
communication and management.
FAQ: EM Series Hybrid Inverter for the UK Market
Q1: Is the EM Series compliant with UK G98/G99 regulations for grid
connection?
A: The EM Series is ideally suited for off-grid and backup power
applications where G98/G99 notification is not required. For full
grid-tie applications with export, please consult with a certified
installer to ensure the specific setup complies with current UK
distribution network operator (DNO) requirements.
Q2: How well does the MPPT perform with the UK's often overcast
skies?
A: The MPPT controller is highly efficient and operates effectively
in low-light conditions, ensuring you still generate meaningful
amounts of solar energy even on cloudy days, which is crucial for
UK solar economics.
Q3: The output is 230V. Is this compatible with UK appliances?
A: Yes, 230V ±5% is the standard voltage in the UK. All your UK
plugs and appliances will work perfectly with the pure sine wave
output from this inverter.
Q4: What is the benefit of the "Lithium Battery Activation by
Utility" feature?
A: In the UK, where you might have several consecutive cloudy days,
a lithium battery could potentially drain completely. This feature
allows you to reactivate the battery using grid power, not just
solar, giving you a reliable fallback option during prolonged
low-sun periods.
Q5: Is the unit's noise level suitable for installation inside a
garage or utility room?
A: Yes, the inverter uses silent fan-less or low-noise fan cooling
design (depending on load), making it perfectly suitable for
installation in a home garage, utility room, or shed without
causing a disturbance.
Q6: Can I use this to create an emergency power circuit for my
boiler and fridge during a winter power cut?
A: Exactly. By wiring critical circuits like your heating boiler,
refrigerator, and lights through the inverter's output in SBU mode,
you ensure these essential appliances continue to operate during a
power outage, which is vital for comfort and safety in winter.
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