off grid home power solar panel system 8kw pv system solar power generator system for home

SunMaster off grid solar power system provides the power where utility power ius unavailable or unreliable. we’ve been in the of-grid business for decades, helping installers with projects around the world.

Benefits ofSunMasterOff Grid Solar Power System

Versatile:Ideal for large off-grid systems such as remote cabins Works with off-grid residential and commercial rooftop systems.

Safe:Thebreaker which acts as a DC disconnect for protection of your battery bank and charge controller.

Reliable: EL tested solar modules; no hot-spot heating guaranteed. The panels Guaranteed positive output tolerance (0-3%); withstands high winds (2400Pa) and snow loads (5400Pa).

Efficient: Excellent performance in low-light environments.

Pre-packaged: Save your install time,your hands and money.

Expandable:The system giving you more options for expansion.

Connecting Diagram

Configuration List

Item Certification Description Q'ty Warranty
Solar panel :TUV / IEC / EC Mono or Poly,A grade cell,high efficiency 20 pcs 20 years
Inverter: CGC / CQC / VDE MPPT tracking/ 45~55Hz/55~65Hz; 310~480Vac,5kW/ SM-SH5kw 1 set 5 years

Distribution box (Optional): CE Lighting Protection. Air switch,Fusegear, knife switch, 1 set 5 years

Mounting system CE Slant roof bracket/ Cement Ground bracket/ Soil ground bracket 1set 10 years
PV cable TUV/ UL DC port PV1-F 1*6mm² 100m 10 years
AC port YJV-3*4mm² 50m 10 years

Type MONO POLY
Power class 280W 335W 270W 320W
Open Circuit Voltage (Voc) 38.1 9.36 38.1 45.8
Short Circuit Voltage (Isc) 9.27 46 9.23 9.15
Max power Voltage (Vmp) 8.84 8.76 31.1 37.2
Max Power Current (Imp) 8.84 8.76 8.69 8.61
Efficiency ≥17.1% ≥17.2% ≥16.5% ≥16.4%
Dimension (mm) 1650x991x35 1960x991x35 1650x991x35 1960x991x35z
Weight (kg) 18±5% 22.5±5% 18±5% 22.5±5%

Ambient temperature range -25~+60ºC(>45ºC deloading)
Relative humidity 0~95%
Max operating altitude 4000m (>3000m derating)
Protection degree IP65
Topology Transformerless
Night power consumption (W) <1
Cooiong method Natural convection
Noise emision (dB) <25
Display LCD
Warranty (Year) 5/10/15/20/25 (Optional) Years
Solar Controller

Rated Charge current(A) 40A
Rated DC voltage(V) 24/48 automatic identification
Solar input Max voltage(V) 42/84
Battery Over charge protective voltage(V) 28.6/57.2
Battery Over charge recover voltage(V) 27.4/54.8
Battery Constant charge voltage(V) 27/54
Battery Over discharge alarm voltage(V) 20/40
Environment Humidity and temperature 0-90% No condense,55ºC
Protective Functions Protection against anti-charge at night,
battery over charge, over discharge protection,
Joint-reversed of solar modules

Nominal Voltage 12V
Nominal Capacity 250Ah(10hr,1.80V/cell,25ºC)
Approximate Weight 67.3 kg
Internal Resistance 4.5 mΩ (Lead terminal)
Terminal Lead wire (6.0mm²×1.8m)
Maximum Charge Current 62.5 A
Ambient Temperature -35~55 ºC
Dimension Length 520mm(±2 mm)
Width 269mm(±2 mm)
Container Height 220mm(±2 mm)
Total Height 245mm(±2 mm)
Case ABS

Circuit breaker (Air switch) 16A When the current of the protected circuit exceeds the specified value,
the circuit breaker will automatically break off to protect the whole circuit.
Fusegear 16A When the current of the protected circuit exceeds the specified value,
fusegear will break off automatically
Surge protective device (SPD) UC:420V lmax:20KA; In: 10KAUp≤1.8KV Photovoltaic lightning protection device
One phase self dual over voltage protection device Working range 220V,50Hz, over voltage protection
Uvo=270V±5V
Under voltage protection
Uoe= 170±5V When the circuit voltage is highet or lower, it will shut down automatically.
when the voltage reaches standard level, it will recover automatically.
Knife switch / automatic/ by hand

Conductor Tinned Fine Re Copper Strand, according to VDE0295/IEC60228. Class 5
Insulation Polyolefin Copolymer electron-beam coss-linked
Sheath Jacket Polyolefin Copolymer electron-beam coss-linked
Nominal Voltage Uo/U=600V/1000VAC, 1000V/1800VDC
Test Voltage 6500V, 50Hz, 5Min
Temperature Rating -40°C-125°C ,More than 25 Years (TUV)
Fire Performance IEC 60332-1
Smoke Emission IEC61034, EN 50286-2
Low Fire Load DIN 51 900
Certification TUV 2PFG 1169/08 2007 PV1--F

The wind capacity of such mounting system can reach (40m/s, 32.5kg/ square meters, level 13), snow load capacity can reach 70kg/ square eters

The whole system has strong safety performance.

Can be customized based on customer's cactual situation

The mounting system can be desingned with best solution based on slope roof, flat ground and soil ground