will then illuminate, alerting you to the situation until the over voltage
polarity (referenced to ground connected to the center tap), whose
condition is corrected.
star-ground systems or use massive bus bars or heavy ground rods.
1:1; windings seperated with Faraday Shield
Differential Noise Attenuation
clamping voltage. While other designs offer clamping voltages that are
SMP+
Power Consumption
When voltage rises to extreme levels because of a lost neutral line or an
induce hum into nearby audio wiring, because the two conductors induce
This assures that your audio, video, or computer signals are as pure and
no longer "hot" (120V) and "neutral" (0V), but two 60V lines of opposite
Maximum Surge Current
10 dB @ 10 kHz
the incoming AC line! Worse still, lost digital data, the need to re-boot
Optional RRM-2 Rear Rack Mount Ears (sold separately)
Traditional surge suppression relies on circuits that "sacrifice" themselves
Spike Clamping Voltage
accidental connection to 208 or 240 VAC, Furman's Extreme Voltage
RMS, even when tested with multiple 6000Vpk - 3000 amp surges!
12 watts for display and control circuits
Inlets
IT-20 II
40 dB @ 100 kHz
Greater than 40 dB @ 20KHz to 1 MHz
Dimensions
Further, with features such as our center tap ground lift, ground induced
noise may be reduced even further.
dismantling of your system and repair of your surge suppressor. With
by excessive voltage spikes and AC noise contaminating the equipment
Series Multi-Stage Protection Plus (SMP+):
digital pre-sets, or destroyed digital converters are frequently caused
Three Year Limited Warranty
1 nanosecond
±1V
17" to 18.25" from inside front panel.
3% at full load
this reason we employ our exclusive Linear Filtering Technology (LiFT).
Unfortunately, traditional AC filter conditioners have been designed
ground. Furman's LiFT takes another approach, ensuring optimal
This unprecedented level of protection is only available with Furman's
Transformer Regulation
technology.
Voltmeter Accuracy
conditions, these designs can actually add more than 10 dB of noise to
At 135-140 VAC
6,500 amps
difference is 120V. This type of power, when run around a room, does not
and safely in order to prevent damage from occurring. An indicator LED
performance through linear filtering and no leakage to ground.
Greater than 80 dB @ 20Hz to 20 KHz
covering defects in materials and workmanship.
resonant peaking of their antiquated, non-linear designs. Under certain
100 dB @ 10 MHz
Adjustable depth rack mount ears for the IT-20 II. Adjustment depth is
well above 300Vpk, Furman's SMP+ clamps at 188Vpk, 133 VAC
Heavy duty power cord with 20A three-prong plug
Linear attenuation curve from 0.05100 ohms line impedence
IT-20 II SPECIFICATIONS
for unrealistic laboratory conditions. Prior technologies could actually
19"W x 5.25"H x 17" D, 80 lbs.
Extreme Voltage Shutdown (E.V.S.):
(tested to UL1449 6,000 Vpk @ 3,000 amps)
Common Noise Attenuation
051506
effect. No longer is it necessary to adopt cumbersome and expensive
Shutdown kicks in, automatically powering down all equipment quickly
Shutdown Voltage
calls, no downtime. Also unique to Furman's SMP+ is its unparalleled
20 amps (2400 watts at 60/120V)
Output Current
absorbed, clamped and dissipated. No sacrificed parts, no service
uncorrupted as possible.
Linear Filtering Technology (LiFT):
Outlets
Furman's SMP+, however, damaging transient voltages are safely
Line to neutral, zero ground leakage
AC noise. Asymmetrical noise or what is called "differential mode" is
12 rear (isolated), 2 front (GFCI) each rated at 20 amps
188 Vpk @ 3,000 amps, 133 VAC RMS
responsible for well over half of the noise present in today's AC lines. For
The IT-20 II is protected by a limited three year warranty
harm audio and video performance more than they help, due to the
Response Time
Furman Sound, LLC · 1690 Corporate Circle · Petaluma, CA. 94954 USA · Phone: (707) 763-1010 · Fax: (707) 763-1310 · www.FurmanSound.com
when exposed to multiple transient voltage spikes, requiring the
Of course Balanced AC Power is only the beginning of a system free of
Spike Protection Modes
equal and opposite voltages that cancel each other out. Similarly, ground
Turns Ratio
currents are all but eliminated by the same common-mode cancellation
< [Pag.2]
Esta version es la html del arhivo pdf IT-20_II_datasheet, genearada por domotica.name desde www.furmansound.com
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