3 kwatt Inverter

This inverter inverts battery DC power to AC power. It also can charge the battery from generator / grid power.

It supplies stable pure sine wave AC power with 3x surge power. Certified to UL and CSA standards.

Front view

Back view

High surge power up to 300% rated power (20 sec).
Battery low voltage cutoff 10.5V/11.0V for battery protection.
With power saver mode operation to reduce idle power consumption <25W.
The automatic voltage regulator (AVR) stabilize AC output voltage to within 10%.
10ms automatic transfer time between battery and AC.
Built-in AC output receptacle for quick appliance connection

Inverter Output

Attributes	Values
Continuous Output Power	3000W
Surge Rating (20s)	9000W
Output Waveform	Pure Sine wave/Same as input(Bypass mode)
Nominal Efficiency	>88% (Peak)
Line Mode Efficiency	>95%
Power Factor	0.9-1.0
Nominal Output Voltage rms	100-110-120Vac
Output Voltage Regulation	±10% RMS
Output Frequency	50Hz ± 0.3Hz/60Hz ± 0.3Hz
Short Circuit Protection	Yes (10s after fault)
Typical transfer Time	10ms (Max)
THD	< 10%

DC Input

Attributes	Values
Nominal Input Voltage	12.0Vdc
Minimum Start Voltage	10.0Vdc
Low Battery Alarm	10.5Vdc / 11.0Vdc
Low Battery Trip	10.0Vdc / 10.5Vdc
High Voltage Alarm	16.0Vdc
Low Battery voltage recover	15.5Vdc
Idle Consumption-Search Mode	< 25 W when Power Saver On

Charger

Attributes	Values
Output Voltage	Depends on battery type
Charger Breaker Rating	10A
Max Charge Rate	35A / 70A
Battery Initial Voltage for Start Up	10-15.7V for 12V( 2 for 24V, 4 for 48V)
Over Charge Protection Shutdown	15.7V for 12V (2 for 24V, 4 for 48V)
Charger curve(4 stage constant current)	Battery types ( 2 for 24Vdc, 4 for 48Vdc)
4 step digital controlled progressive charge	Battery types ( 2 for 24Vdc, 4 for 48Vdc)
Remote Control	Yes. Optional

Bypass & Protection

Attribute	Values
Input Voltage Waveform	Sine wave (Grid or Generator)
Nominal Voltage	110Vac
Max Input AC Voltage	150VAC
Nominal Input Frequency	50Hz or 60Hz (Auto detect)
Low Freq Trip	47±0.3Hz for 50Hz, 57±0.3Hz for 60Hz
High Freq Trip	55±0.3Hz for 50Hz, 65±0.3Hz for 60Hz
Overload protection(SMPS load)	Circuit breaker
Output Short circuit protection	Circuit breaker
Bypass breaker rating	10A
Transfer switch rating	30amp
Bypass without battery connected	Yes
Max bypass current	30amp
Bypass over load current	35amp: Alarm

AVR Function

Attributes	Values
Input AC Voltage Range	90-140V±4%
Stabilized Output Voltage rms	120VAC±10% rms
Nominal Voltage	110Vac
(A) Line Low loss N/W (On Battery)	84/72
(B) Line Low comeback N/W (On Boost)	89/77
(C) Line 2nd boost threshold (On Boost)	**
(D) Line 2nd boost comeback (On Boost)	**
(E) Line 1st boost threshold (On Boost)	99
(F) Line 1st boost comeback (On Normal)	103
(G) Line buck comeback (On Normal)	118
(H) Line buck threshold (On Buck)	121
(I) Line high comeback (On Buck)	127
(J) Line high loss (On Battery)	132

Mechanical specs