Furman IT-1220 Balanced Power Isolation Transformer

FEATURES:

• 20 amp model
• This model provides precisely balanced AC power for ultra-low-noise installations
• This model will typically give a 16 dB improvement in back ground noise floor in system-wide installations
• Exclusive "Soft Start" circuit prevents turn-on transients and high inrush currents
• Faraday shield reduces electrostatic coupling between primary and secondary
• Extreme Voltage Shutdown circuit protects against dangerously high or low input voltages
• Microprocessor-controlled "smart" AC voltmeter monitors line voltage, flashes alerts for marginal and extreme conditions
• Provides basic power conditioning (spike suppression, RFI filtering) plus gas discharge tube to dissipate spikes
• Ground fault interrupter (GFCI) protection
• IT-1210 and IT-1220 models UL/CUL listed

SPECIFICATIONS:
OUTPUT CURRENT:
• 20 amps (2400 watts at 60/120 V 1 AC, 60 Hz)

VOLTAGE RANGES:
• Normal, 90-130; Marginal (flashes alert), 80-90 or 130-140;
• Extreme (causes shutdown), below 80 or above 140

INLETS:
• Heavy duty power cord with 20A three-prong plug

OUTLETS:
• 12 rear, 2 front, each rated at 20A

ISOLATION, INPUT TO OUTPUT:
• Breakdown Voltage: 1500V minimum.
• Leakage current: 40 mA maximum.
• Capacitance: 300 pf maximum

TURNS RATIO:
• 1:1; windings separated with Faraday shield

TRANSFORMER REGULATION:
• (Full load/no load) 3% at full load

SPIKE PROTECTION MODES:
• Line to neutral, neutral to ground, line to ground

SPIKE CLAMPING VOLTAGE:
• TVSS rating of 400 volts peak, L-N, N-G, L-G (tested to UL-1449)

SPIKE RESPONSE TIME:
• 1 nanosecond

MAXIMUM SURGE CURRENT:
• 6,500 amps (8 x 20 mS pulse)

MAXIMUM SPIKE ENERGY:
• 80 joules per mode, 240 joules total

NOISE ATTENUATION:
• Differential mode: Greater than 40 dB
• Transverse mode: Greater than 60 dB
• Common mode: Greater than 80 dB all 1 to 200 MHz

MECHANICAL:
• Dimensions: 5.25" H x 19" W x 17" D.
• Weight: 65 lbs (30 kg)
• Construction: Steel chassis, powder coated; glass epoxy printed circuit boards

POWER CONSUMPTION:
• 8.5 watts for display and control circuits, independent of actual load

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