Power Distribution Equipment

Solar PV Inverter Pure Sine Wave Hybird 50A MPPT Controller with 110Vac 120Vac or 220VAC 230VAC 240VAC

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FSI-15212M50

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Quick Comperasion

? ?The whole series controlled by program of DSP intelligent chip

Top One: The whole series with automatic AC charger and automatic AC mains switch function. Switch time within 5ms.

Others: More than 10ms. The less time switch takes, the less impact to the loading, especially for office, medical, communications etc. terminal customers.

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True Intelligent Cooling Fan

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Top One: Dual ball bearing intelligent cooling fan, through built-in realtime temperature monitoring probe it can speed up or slow down according to the working temperature of inverter, in order to reduce the consumption of power. Sand proof design, to keep cooling fan works properly in outdoor environment.

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Other: Temperature is detected by circuit NTC(Negative Temperature Coefficient), it can only control the on/off function of cooling fan, which is not true intelligent cooling fan.

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Model | FSI-102 | FSI-152 | FSI-202 | FSI-302 | FSI-402 | FSI-502 | FSI-602 |
Rated Power | 1KW | 1.5KW | 2KW | 3KW | 4KW | 5KW | 6KW |
Peak Power | 3KW | 4.5KW | 6KW | 9KW | 12KW | 15KW | 18KW |
Nominal battery voltage | 12/24VDC | 12/24/48VDC | 24VDC/48VDC |
Input | DC input range | 10.5-15VDC (12V) / 21-30VDC (24V) / 42-60VDC (48V) |
AC Mains input range | 170-275VAC (220/230/240VAC)±4% |
AC input frequency | 50Hz: 45-65Hz / 60Hz: 55-65Hz±0.5Hz (50Hz/60Hz automatic recognition) |
Protection | Low battery alarm | ≤10.5VDC (12V) / ≤21VDC (24V) / ≤42VDC (48V) alarm |
Low battery protection | ≤10VDC (12V) / ≤20VDC (24V) / ≤40VDC (48V) automatic shutdown |
High battery alarm | ≥15VDC (12V) / ≥30VDC (24V) / ≥60VDC (48V) alarm |
High battery protection | ≥17VDC (12V) / ≥34VDC (24V) / ≥68VDC (48V) automatic shutdown |
Over load protection | 110%150%, shutdown after 20s alarm |
High temperature | Built-in temperature real time sensor, ≥85℃ alarm, ≥90℃ automatic shutdown |
Short circuit protection | Automatic shutdown |
Output | Transfer efficiency | ≥90% |
Output voltage | (DC battery mode) 220/230/240VAC±2% |
Output frequency | (DC battery mode) 60/50Hz±1% |
Output wave form | Pure sine wave |
Output voltage | (AC mains mode) stable 220/230/240VAC±10% output (built-in AVR stablizer) |
AVR output stablizer | AC mains<170VAC±5% swtich to DC battery mode, AC mains>180VAC ±5% return to AC mains mode; |
AC mains>275VAC±5% swtich to DC battery mode, AC mains<255VAC ±5% return to AC mains mode; |
The above is for output 220V system reference, 230V/240V output just multiply by percentage |
Output frequency | (AC mains mode) automatic tracing from AC input |
Other | Transfer time | ≤5ms |
Display | LCD Display with function buttons |
Cooling system | Intelligent cooling fan control system |
≤42℃ slow fan, ≥45℃ fast fan |
AC Charger | 7 battery types mode | Gel U.S.A. / Gel European / A.G.M.1 / A.G.M.2 / Sealed lead acid / Open lead acid / Calcium(open) / |
Deep sulphation cycle 15.5 for 4 hrs |
AC charging Voltage | 13.6-14.2VDC(12V)/27.2-28.4VDC(24V)/54.4-56.8VDC(48V) |
AC charging current | 0-35A: 5A / 10A / 20A / 25A / 30A / 35A, 6 stages adjustable option |
3 Stages charging | Boost charging, direct charging, float charging |
AC over charge protection | Battery voltage ≧16VDC (12V) ≧32VDC (24V) ≧64VDC (48V), stop charging after 60s alarm |
Working mode
(Optional) | 01 | AC mains priority |
Always use AC mains as priority input to provide AC output and automatically charge the battery, only |
stops charging when battery is fully charged, and only starts DC to AC converting untill AC mains is off |
02 | Energy saving |
Loading≤10% automatic shutdown, loading≥11%-100% automatic turn on |
03 | DC battery priority |
Always use DC battery as priority input to provide AC output, for 12V system, when battery≥13V, starts |
DC to AC converting; when battery≤10.5V during converting, switch to AC mains mode to provide AC |
output and automatically start charging the battery (for 24V/48V system, multiply by 2/4 accordingly) |
Comnunication | RS-232/USB/SNMP(additional option) |
Environment | Temperature | -20~75℃ |
Humidity | ＜95% |
MPPT Solar Controller specification | Charging & discharging | 30A / 50A | 50A |
Max. PV input voltage | Max. 30V(12V) / 50V (24V) / 100V (48V) |
Max. PV array Power | 360W (12V) / 720W (24V) | 1200W (24V) / 2400W (48V) |
MPPT range | 12-60VDC @ 12V & 24V system | 24-120VDC @ 24V & 48V system |
Max. PV array open circuit | 70VDC | 150VDC |
System voltage | 12V & 24V / 24V & 48V automatic recognition |
No load current | <5mA |
Charging circuit drop | ≤0.2V |
Discharging circuit drop | ≤0.15V |
Over charge protection | 17V (12V) / 34V (24V) / 68V (48V) stop charging |
Boost charging | 14.6V (12V) / 29.2V (24V) / 58.4V (48V) Duration: 30mins |
Direct charging | 14.4V (12V) / 28.8V (24V) / 57.6V (48V) Duration: 30mins |
Float charging | 13.6V(12V) / 27.2V (24V) / 54.4V (48V) until reach charging recovery voltage |
Charging recovery | 13.8V (12V) / 27.6V (24V) / 55.2V (48V) |
Over discharging recovery | 12.5V (12V) / 25V (24V) / 50V (48V) |
Low voltage | 10.5V (12V) / 21V (24V) / 42V (48V) alarm |
Over discharging | 10V (12V) / 20V (24V) / 40V (48V) automatic shutdown |
Temperature compensation | {-4.0mv/℃/2V(Boost charging, Direct charging, float charging and charging recover voltage compensation) |
Control method | MPPT smart charging, maximum power point tracking |
Working temperature | -20~75℃ |
Circuit protection | Over charging, over discharging, overload and short circuit protection | All protections are harmless to any parts and fuse of controller; fuse is only for ultimate protection. |
Anti connection-reverse protection for solar panel |
Appearance | Product size (mm) | 420*285*200mm | 620*282*210mm |
Packing size (mm) | 530*335*255mm | 740*355*275 |
Net Weight (kg) | 16.5kg | 19kg | 27kg | 31kg | 41.5kg | 47.5kg | 53kg |
Gross Weight (kg) | 19.5kg | 22kg | 31kg | 35kg | 46kg | 52kg | 57.5kg |
*Product specifications are subject to change without further notice |
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Connect with AC input and load output by connecting terminal, load output can connect both by terminal blocks and output plug.Connection way of input & output

Note:Output plug only can connect with each load less than 1500W.

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Back panel illustration

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BATTERY Negative | Battery negative polarity connection |
BATTERY Positive | Battery positive polarity connection |
AC INPUT | AC input connection |
AC OUTPUT | Universal socket output or connection terminal output |
FUSE AC INPUT | Ac input voltage over current protection |
FUSE AC OUTPUT | Ac output voltage over current protection |
SOLAR IN | Solar panels end connection |
DC OUT | DC load end connection |
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