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56 4200FA Installation and Operation Manual
7.10.2 Efficiency with Input Transformer
4200FA Series 15 kVA w/ 1 Xfmr 25 kVA w/1 Xfmr 3 kVA w/1 Xfmr 50 kVA w/ 1Xfmr
100% Load * 86.5% 88.2% 86.5% 86.5%
*Contact the factory for additional information on efficiency vs. load curves.
7.10.3 Thermal Loss in BTU/Hr. with Input Transformer
4200FA Series 15 kVA w/ 1 Xfmr 25 kVA w/1 Xfmr 30 kVA w/1 Xfmr 50 kVA w/ 1Xfmr
100% Load 6390 9130 12,781 21,301
75% Load 5250 7112 9915 16,802
50% Load 4403 5417 7857 13,878
25% Load 3449 4106 6430 8961
0% Load 2,730 4,077 4,892 6,403
7.10.4 Efficiency with Input and Output Transformer
4200FA Series 15 kVA w/ 2 Xfmr 25 kVA w/2 Xfmr 30 kVA w/2 Xfmr 50 kVA w/ 2 Xfmr
100% Load * 85.1% 86.7% 85.1% 85.8%
*Contact the factory for additional information on efficiency vs. load curves.
7.10.5 Thermal Loss in BTU/Hr. with Input and Output Transformers
4200FA Series 15 kVA w/ 2 Xfmr 25 kVA w/2 Xfmr 30 kVA w/2 Xfmr 50 kVA w/ 2 Xfmr
100% Load 7169 10,468 14,338 22,588
75% Load 5893 8125 11,904 17,641
50% Load 4833 6069 8746 14,567
25% Load 3691 4481 6897 9290
0% Load 2730 4,077 4,892 6,403