SMA Solar Inverters with Transformer SUNNY BOY 3800-US

Specially designed for countries that require UL listing, these Sunny Boy inverters guarantee a safe installation process thanks to the automatic grid voltage detection¹. The integrated DC circuit breaker simplifies the installation process and saves installation costs. Since the devices are suitable for PV array grounding, they can be combined with all module types. In addition, OptiCool guarantees the highest yields possible and a long electrical endurance, even under extreme conditions. The Sunny Boy 3800-US is designed for projects with a current limit of 16 A.
UL listed
For countries that require UL listing (UL 1741/IEEE 1547/CAN CSA C22.2 107)
Economical
96.8 % peak efficiency
OptiCool active temperature management
Reliable
Galvanic isolation
Arc-fault circuit interrupter (AFCI), optional
Simple
Automatic grid voltage detection¹
Integrated DC switch-disconnector
240 V
-Input (DC)
Max. recommended PV power (@ module STC) 4750 W
Max. DC power (@ cos Ï† = 1) 4200 W
Max. input voltage 600 V
MPP voltage range / rated input voltage 250 V â€“ 480 V / 310 V
Min. input voltage / initial input voltage 250 V / 285 V
Max. input current 18 A
Max. string fuse on the DC disconnector 18 A
Number of independent MPP inputs 1
Strings per MPP input (@ DC disconnector) 4
-Output (AC)
Rated power / max. apparent AC power 3800 W / 3800 VA
Nominal AC voltage / nominal AC voltage range 240 V / 211 V â€“ 264 V
AC power frequency / range 60 Hz / 59.3 Hz ... 60.5 Hz
Max. output current 16 A
Power factor at rated power 1
Feed-in phases / connection phases 1 / 2
-Efficiency
CEC efficiency / max. efficiency 96 % / 96.8 %
-Protective devices
DC reverse polarity protection yes
AC short-circuit current capability yes
Galvanically isolated yes
Arc-fault circuit interrupter (according to UL 1699B)¹ opt.
Protection class (according to IEC 62103) I
Overvoltage category (according to IEC 60664-1) III
-General data
Dimensions (W / H / D) 450 / 350 / 235 mm(17.8 / 13.8 / 9.3 inch)
Dimensions of DC Disconnect (W / H / D) 187 / 297 / 190 mm(7.3 / 11.7 / 7.5 inch)
Weight 38 kg / 84 lb
Weight of DC Disconnect 3.5 kg / 8 lb
Operating temperature range¹ -25 °C ... +45 °C /-13 °F ... +113 °F
Noise emission (typical) 37 dB(A)
Self-consumption (night) 0.1 W
Topology LF transformer
Cooling concept OptiCool
Degree of protection NEMA 3R
Degree of protection of connection area NEMA 3R
Max. permissible value for relative humidity (non-condensing) 100 %
-Features
DC connection Screw terminal
AC connection Screw terminal
Display Text line
Interface: RS485 / Bluetooth opt. / opt.
Warranty: 10 / 15 / 20 years yes / opt. / opt.
Certificates and approvals (more available on request) UL1741, UL1998, IEEE1547, FCC Part 15 (Class A & B), CAN/CSA C22.2 107.1-1, C22.2, UL 1699B

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