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- A&S Power Supply Co.,Ltd
- Address:469, Xinsheng Road, Gaoxin District, Chengdu, Sichuan, China
- Tel:+86-28-65376776
- Fax:+86-28-86129221
- Email:inverter@electrical8.com
- Contact Person:Karina
SMA Battery Inverters Smart Load for SUNNY ISLAND
The Smartformer is the complete solution for off-grid and backup plants of up to seven kilowatts. At the same time, it acts as a AC distributor and a 120/240-volt autotransformer. The transformer provides step-up and step-down options to supply loads with 120 V and 240 V using a Sunny Island and a Sunny Boy – with a high level of efficiency over the entire power spectrum. Thanks to the pre-wired bypass function, the PV plant can be bridged without problems via a robust switch for maintenance work. The optimized transformer overload protection and a load-shedding contactor provide extra protection to the system. The Smartformer makes the stand-alone power supply simple and reliable.
Simple
Pre-wired AC distribution board
Quick installation and commissioning
Suitable for SI 4548 / 6048-US
Complete
Bypass switch for direct grid operation
Load-shedding contactor to prevent battery deep discharge
Miniature circuit-breaker for PV and load
Efficient
Max. efficiency: 99 percent
Highest yield in the entire power range
Secure
UL listed
Optimized overload protection
Warranty: 5 years as standard – extendable to 20 years
General data
Number of phases Split-Phase
Rated voltage 120 / 240 Vac
AC voltage range between L1 and N 102 V – 132 V
AC voltage range between L1 and L2 204 V – 264 V
Rated frequency 60 Hz
Dimensions (W / H / D) 610 x 610 x 235 mm
Weight 56 kg
Self-consumption (no-load operation) 19 W
Rated power transformer¹ 3.4 kVA
Max. efficiency / CEC efficiency 99 % / 98.8 %
Transformer AC power for 30 min¹ 4.4 kVA
Transformer AC power for 1 min¹ 8.8 kVA
Hookup access Knockout top: 2x 3/4", 2x 1", 2x 1 1/4"unten 5x 3/4", 3x 1", 3x 1 1/4"
-Connections for Sunny Island
Max. number and nominal voltage of Sunny Island 1 x 120 V (L1, N)
Rated power 5.8 kW
Current at rated values 48 A
Fuses 1
-PV plant connection
Number of connections / rated voltage 1 x 240 V (L1, L2.N)
Rated power 9.6 kW
AC power in parallel grid operation 6 kW
AC current at rated values 40 A
Fuses 2
-Load Connection
Number of connections / rated voltage 1 x 120 / 240 V
Rated power 7.2 kW
AC power at 40 °C 6.6 kW
Rated power / current between L1 and L2 6.7 kW / 28 A
Rated power / current between L1 and N 3.8 kW / 32 A
Rated power / current between L2 and N 3.4 kW / 28 A
Current at rated values 32 A, 28 A (with activated bypass: 2 x 48 A)
Fuse K40A (with activated bypass: K60A)
-PV array connection
Number of connections / rated voltage 120 / 240 V (L1, L2, N)
Rated grid input power 11.5 kW
AC input current 48 A
Fuse 2
-Ambient Conditions
Operating temperature range -25 °C ... +60 °C
Humidity 0 –100 % (non-condensing)
Protection class NEMA Type 1
Certification and approval UL 1741
-Features / function
Warranty: 5 / 10 / 15 / 20 years yes / opt. / opt. / opt.
Integrated bypass for maintenance / load-shedding contactor / transformer protection yes /yes /yes
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