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TECHNICAL GUIDE SPECIFICATIONS - page 3 / 12

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Input Voltages:  208Y/120 VAC, 480Y/277 VAC, 4 wires plus ground

Frequency:  60 Hz +/- 5%, or 50 Hz +/- 5%

Power Factor:  0.8 PF

Slew Rate:  1 Hz/second, maximum

Input Protection:  Circuit breaker, contactor

Input Surge Protection:  Optional Transient Voltage Surge Suppressor (TVSS)

Transfer Time:  Zero, no break transfer (unit static transfer must not switch upon input power loss)

Input Power Connections: Hard wired terminal block

Number of Wires:  4 wires plus ground

Cable Installation:  Conduit entries on the top and both sides of enclosure

2.2.3AC Output Specifications

Output Ratings:  10 kVA / 8 kW, 15 kVA / 12 kW, 20 kVA / 16 kW, 25 kVA / 20 kW, 30 kVA / 24 kW, 40 kVA / 32 kW, 50 kVA / 40 kW, 50 kW  

Output Voltages:  208Y/120 VAC, 480Y/277 VAC

Frequency:  60 Hz +/- 0.5 Hz (when on inverter)

Voltage Regulation:  +5% Regulated within CBEMA curve

Output Waveform:  Sine Wave < 5% THD

Efficiency: Greater than 90%

Inverter Overload Capability:  125% for 10 minutes, 150% surge for 10 seconds

Bypass Overload Capability:  150%

Protection:  Fault current limited

Non-Linear Load Capability:  100%

Crest Factor:  3:1 typical

Output Power Connections:  Hard wired terminal block

Output Distribution:  Unit shall have an option for internal output circuit breaker(s) or an external load center attached to the unit for customer use, eliminating the need for external distribution

Number of Wires:  4 wires plus ground

2.3COMPONENT  DESCRIPTION    

2.3.1Input Terminal Block: For ease of installation, an input terminal block shall be hard wired, and located in the Inverter close to knockouts for incoming power cables. The conduit entries shall be located on the top and both sides of the cabinet.

2.3.2Input Circuit Breaker: A circuit breaker shall be provided and hard wired at the Inverter input for protection from the utility line and associated wiring disturbances. An optional, higher KAIC breaker shall be available, and should be specified when required.

6005-033 Rev. B                                                        Page 3 of 12

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