The FTT 3K Series is a rugged, modular AC/AC frequency converter system that uses microprocessor controlled, high-frequency PWM technology to deliver 3-Phase, 3000VA continuous sine-wave output power from a 3-phase input. It is a mature design with a track record in numerous applications. The standard 3-phase outputs are 208V, 380V or 400V (L-L). The output neutrals are internally connected to the chassis in “Y” configuration, therefore the phase-to-neutral voltages (115V, 220V or 230V) are also available. The mechanical size of the system depends on the input/output combination. Full electronic protection eliminates the possibility of failure due to abnormal operating conditions, including application errors. Low component count and the use of components with established reliability results in high MTBF. Cooling is by built-in fans, which draw air into the unit. The FTT 3K is manufactured at our plant under strict quality control.

SPECIFICATION TABLE

Operating input voltage range: 208Vac (L-L) +/-15% 3-phase
380V or 400Vac (L-L) +/-15%
3-phase
Output Power: 3Ph to 3Ph 3000VA
Output Voltage: 208Vac (L-L)/3-phase continuous
60 or 400Hz or 380Vac or 400Vac (L-L)/3-phase continuous 50 or 60Hz
Efficiency: Depends on input and output
voltage combinaton.
Typically 80% at full load
Operating Temp: 0°C to +50°C for full specification
without derating.
Isolation: 2250Vdc input to chassis, 4300Vdc input to output,
8mm spacing 1500Vdc output to chassis
Cooling: Built-in fans drawing air into
the unit
Dimensions: Package varies from 3U x 19” to
6U x 19” depending on input/output
combinaton required.
The 6U x 19” version is typically
built with four 3U3 size modules
Weight: 3U x 19” version: 15kg (33 lb)
6U x 19” version: 28 kg (62 lb.)

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