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Ultimate Power
www.upinverters.com
situations
6. GFCI
7. Field Wiring Compartment: Provides access to the AC input and output hardwire leads and the
12Vdc remote switch
2.3 Features
2.3.1 High overload ability up to 300% rated power (20 sec)
2.3.2 Low quiescent current, low power "Power Saving Mode" to conserve energy
2.3.3 4-step intelligent battery charging, PFC (Power Factor Correction) for charger
2.3.4 8 pre set battery type selector plus De-sulfation for totally flat batteries
2.3.5 Powerful charge rate up to 130Amp, selectable from 0%-100%
2.3.6 10ms typical transfer time between battery and AC, guarantees power continuity
2.3.7 Smart remote control
2.3.8 15s delay before transfer when AC resumes, extra protection for loads when used with
generator
2.3.9 Allows start up and through power with depleted batteries
2.3.10 30A through current ability
2.3.11 Multiple speed controlled cooling fan
2.3.12 Extensive protections against various harsh situations
3 Electrical Performances
3.1 Invert
Topology
The SD inverter/charger is built according to the following topology.
Invert: Full Bridge Topology.
Charge: Isolate Boost Topology
Because of high efficiency MOSFETs and 16bit, 4.9MHZ microprocessor and heavy transformers, it
outputs PURE SINE WAVE AC with an average THD of 7% (min 3%, max 10%) depending of load
connected and battery voltage.
The peak efficiency of SD Series is 85%.
Overload Capacity
The SD Series inverters have different overload capacities, making it ideal to handle demanding
loads.
For 110%<Load<125% (±10%), no audible alarm in 14 minutes, beeps 0.5s every 1s in the 15th
minute, and Fault(Turn off) after the 15th minute
For 125%<Load<150% (±10%), beeps 0.5s every 1s and Fault (Turn off) after the 1 minute
For 300%≧Load>150% (±10%), beeps 0.5s every 1s and Fault (Turn off) after 20s.
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