Outback Power Systems GS4048A Operators Manual - Manual (Page 65)

Specifications
900-0161-01-00 Rev A 63
Temperature Derating
All Radian inverters can deliver their full rated wattage at temperatures up to 25°C (77°F). The Radian
maximum wattage is rated less in higher temperatures. Above 25°C, the GS8048A is derated by a
factor of 80 VA for every increase of 1°C. The GS4048A is derated by 40 VA per 1°C.
Figure 16 is a graph of wattage over temperature, showing the decrease in rated wattage with
increased temperature. The graph ends at 50°C (122°F) because the Radian inverter is not rated for
operation above that temperature.
Figure 16 Temperature Derating
Regulatory Specifications
Listings
This product carries a listing report by ETL. It is listed to the following standards:
 UL 1741 — Inverters, Converters, Controllers and Interconnection System Equipment for Use With
Distributed Energy Resources (2nd Edition, 1/28/2010)
 CSA C22.2 — General Use Power Supplies, No. 107.1-01 Issue: 2001/09/01 Ed:3 (R2006)
Certifications
This product has been certified by ETL to meet the following standards:
 UL 1778 — Uninterruptible Power Systems, Annex FF (normative): Backfeed Protection Test
 IEC 62109-1:2010 — Safety of Power Converters for use in Photovoltaic Systems
Compliance
 RoHS: per directive 2011/65/EU
 FCC Part 15.109(G): 2012 Class B
8000
6000
4000
2000
10°C
50°F
20°C
68°F
30°C
86°F
40°C
104°F
50°C
122°F
0
0
Output
Watts
25°C
77°F
3000