• Certified to the new UL 1741/ IEEE 1547
• 10-year standard warranty
• Pre-wired at factory
• Integrated load-break rated DC disconnect switch
• Internet ready with Sunny WebBox
• CEC efficiency of up to 96 %
• Integrated fused series string combiner
• Sealed electronics enclosure and OptiCool
• Ideal for commercial applications
• Rugged stainless steel outdoor rated enclosure

Input Data (DC)	Sunny Tower 36	Sunny Tower 42
Max. Recommended Array Input Power (DC @ STC)	45.0 kW	52.5 kW
Max. DC Voltage	600 V	600 V
Peak Power Tracking Voltage	250 - 480 V	250 - 480 V
DC Max. Input Current	150 A	180 A
DC Voltage Ripple	< 5%	< 5%
Number of Fused String Inputs	24 x 15 A (AC/DC disconnect)	24 x 15 A (AC/DC disconnect)
PV Start Voltage (adjustable)	300 V	300 V

Output Data (AC)
AC Nominal Power	36.0 kW	42.0 kW
AC Maximum Output Power	36.0 kW	42.0 kW
AC Maximum Output Current (per phase @ 208, 240, 277 V)	100 A, 87 A, 44 A	117 A, 101 A, 51 A
AC Nominal Voltage / Range	183 - 229 V @ 208 V 211 - 264 V @ 240 V 244 - 305 V @ 277 V	183 - 229 V @ 208 V 211 - 264 V @ 240 V 244 - 305 V @ 277 V
AC Frequency / Range	60 Hz / 59.3 Hz - 60.5 Hz	60 Hz / 59.3 Hz - 60.5 Hz
Power Factor	0.99 @ nominal power	0.99 @ nominal power

Efficiency
Peak Inverter Efficiency	97 %	97.1 %
CEC Weighted Efficiency	95.5 % @ 208 V, 240 V 96 % @ 277 V	95.5 % @ 208 V 96 % @ 240 V, 277 V

Features
LCD Display	Included	Included
Lid Color: aluminum/red/blue/yellow	Included/Optional/Optional/Optional	Included/Optional/Optional/Optional
Communication: RS485 / Wireless	Optional/Optional	Optional/Optional
Warranty: 10-year	Included	Included
Compliance: IEEE-929, IEEE-1547, UL 1741, UL 1998, FCC Part 15 A & B	Included	Included