Solar Inverters – Atwin Engineering & Construction LTD https://atwinengineering.com "Smart Solutions for Water, Energy & Beyond." Fri, 13 Mar 2026 08:31:31 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://atwinengineering.com/wp-content/uploads/2024/04/cropped-favicon-01-32x32.png Solar Inverters – Atwin Engineering & Construction LTD https://atwinengineering.com 32 32 5KVA 48V 4KW Solar Inverter, Low Frequency, Pure Sinewave, No Built-in MPPT https://atwinengineering.com/product/5kva-48v-4kw-solar-inverter-low-frequency-pure-sinewave-no-built-in-mppt/ https://atwinengineering.com/product/5kva-48v-4kw-solar-inverter-low-frequency-pure-sinewave-no-built-in-mppt/#respond Wed, 24 Jul 2024 06:17:13 +0000 https://atwinengineering.com/?post_type=product&p=7200 IVPS Inverter SPECIFICATIONS
Model IVPS2512 IVPS2524 IVPS3524 IVPS3548 IVPS5024 IVPS5048 IVPS7548 IVPS10048
Rated Output Power(VA) 2500VA 2500VA 3500VA 3500VA 5000VA 5000VA 7500VA 10000VA
Rated Output Power(W) 2000W 2000W 2800W 2800W 4000W 4000W 6000W 8000W
Nominal DC Input Voltage 12V 24V 48V 24V 48V
Input Voltage Waveform Sinusoidal(Utility or generator)
Nominal Input Voltage 220Vac
Low Line Disconnect 170±7Vac(UPS) 90±7Vac(APL)
Low Line Re-connect
AC Input Range		 180±7Vac(UPS) 100±7Vac(APL)
High Line Disconnect 280±7Vac
High Line Re-connect 270±7Vac
Max AC Input Voltage 280Vrms
Nominal Input Frequency 50Hz/60Hz
Low Line
Frequency Disconnect		 40±1Hz
Low Line
Frequency Re-connect		 42±1Hz
High Line
Frequency Disconnect		 65±1Hz
High Line
Frequency Re-connect		 63±1Hz
Output Voltage Waveform As same as input waveform
Over-Load
Protection(SMPS load)		 AC 30A Air switch protection
Output Short
Circuit Protection		 AC 30A Air switch protection
Efficiency(Line mode) ≥95% (Rated R load, and battery is fully charged)
Transfer Time (AC to DC) 15ms (typical)
Transfer Time(DC toAC) 15ms (typical)
Pass Through
Without Battery		 No
Max Bypass
Overload Current		 AC 30A AC 63A
Utility Charge Mode Specifications
Nominal Input Voltage 220Vac
Input Voltage Range 90~280Vac
Nominal Output Voltage Dependent on battery type
Max Charge Current 40A 50A 60A 80A
Charge Current Regulation 0A~40A 0A~50A 0A~60A 0A~80A
Battery Initial Voltage Circuit breaker
Charger Short Circuit AC30A AC 63A
Breaker Size Dependent on battery type or Self-defined
Over Charge Protection Yes
]]> https://atwinengineering.com/product/5kva-48v-4kw-solar-inverter-low-frequency-pure-sinewave-no-built-in-mppt/feed/ 0 3.5KVA 24V 2.8KW Solar Inverter, Low Frequency, Pure Sine Wave, No built-in MPPT https://atwinengineering.com/product/3-5kva-24v-2-8kw-solar-inverter-low-frequency-pure-sine-wave-no-built-in-mppt/ https://atwinengineering.com/product/3-5kva-24v-2-8kw-solar-inverter-low-frequency-pure-sine-wave-no-built-in-mppt/#respond Wed, 24 Jul 2024 06:07:16 +0000 https://atwinengineering.com/?post_type=product&p=7199 This is the most efficient and reliable energy conversion with the 3KVA Felicity hybrid inverter. It is high-performance inverter features low-frequency technology and robust protection mechanisms, making it ideal for large solar power systems.

  1. Low decibel cooling fan, high efficiency no noise.
  2. Fault alarm warning.
  3. Felicitysolar Hybrid Inverter 3.5KVA 48V (2.8KW) offers Easy installation.
  4. Remote control.
  5. Pure sine wave output voltage.
  6. Widely voltage frequency range.
  7. Three stages charge, prolong battery lifespan.
]]> https://atwinengineering.com/product/3-5kva-24v-2-8kw-solar-inverter-low-frequency-pure-sine-wave-no-built-in-mppt/feed/ 0 0.7KVA 12V Inverter (0.6KW), Low Frequency, pure sinewave, no built-in MPPT https://atwinengineering.com/product/0-7kva-12v-inverter-0-6kw-low-frequency-pure-sinewave-no-built-in-mppt/ https://atwinengineering.com/product/0-7kva-12v-inverter-0-6kw-low-frequency-pure-sinewave-no-built-in-mppt/#respond Tue, 23 Jul 2024 08:06:27 +0000 https://atwinengineering.com/?post_type=product&p=7188 Build in AC charger.
Build in battery reverse polarity protection.
Adjustable charge current and output frequency.
RS-232 communication interface.
Generator has function of automatic control on and off.
Full function LCD and LED display.
AC input and output protect switch.
Build in battery temperature compensation interface.
Automatic AC and PV charger after shutdown.
Low frequency high reliable pure sine wave circuit architecture.
Optional 8 types of batteries, three-stage intelligent charger
• Rated Output Power (VA): 750VA
• Rated Output Power (W): 600W
• Nominal DC Input Voltage: 12V
• Input/Output Voltage Waveform: Sinusoidal (Utility or Generator)
• Nominal Input Voltage: 220Vac
• Lowline Disconnect/Reconnect: 90/100Vac
• Highline Disconnect/Reconnect: 280/270Vac
• Max AC Input Voltage: 280Vrms
• Nominal Input Frequency: 50/60Hz
• Overload/Output Short Circuit/overcharge Protection: Air Switch Protection
• Max Bypass Overload current: 63A
Utility Charge Mode Specifications
• Nominal Input Voltage: 220Vac
• Input Voltage range: 90-280Vac
• Max Charge Current: 18A
• Battery Initial Voltage: Circuit Breaker
• Charger Short Circuit: AC 30A
Inverter Mode Specifications
• Output voltage Waveform: Pure Sine Wave
• Nominal Output Voltage: 220V
• Nominal Output Frequency: 50/60Hz Adjustable
• Peak Efficiency: 90%
• Cold Start Voltage: 11.5/23/46V

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