70
Feedback Mode
V, V
2
: Voltage feedback: proportional to RMS voltage value on
load to compensate possible variations in line voltage.
I, I
2
: Current feedback: proportional RMS current value on load to com-
pensate variations in line voltage and/or variations in load impedance.
W: Power feedback: proportional to real power value on load to
compensate variations in line voltage and/or variations in load imped-
ance. You have to calibrate each time you change feedback mode.
Max rated voltage
480Vac to 600Vac or 690V
Work voltage range
90 - 530 Vac
(480V Models)
90 - 660 Vac
(600V Models)
90 - 760Vac
(690V Models)
Non-repetitive voltage
1200 Vp
1600 Vp (600V Models) 1600 Vp (690V Models)
Rated frequency
50/60Hz auto-determination
Critical Dv/dt with output deactivated
1000V/μsec
Held nominal voltage of on the impulse
4KV
Nominal current for short circuit condition 5KA
Protection
RC, extrarapid fuses for SCR
Rated current AC51
non-inductive or slightly inductive
loads, resistance furnaces
CFW 40
Nominal current 40Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 1400A
I²t for blowout: 10000A²s
CFW 60
Nominal current 60Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 1500A
I²t for blowout: 12000A²s
CFW 100
Nominal current 100Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 1900A
I²t for blowout: 18000A²s
CFW 150
Nominal current 150Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 5000A
I²t for blowout: 125000A²s
CFW 200
Nominal current 200Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 8000A
I²t for blowout: 320000A²s
CFW 250
Nominal current 250Arms @40°C in continuous service
Non-repetitive overcurrent t=10ms: 8000A
I²t for blowout: 320000A²s
CFW 300
Nominal current 300 Arms @ 40°C in continuous service
Non-repetitive overcurrent t=10ms: 8000 A
I²t for blowout: 320000 A2s
NOTE (all models)
Minimum load controllable: 5 % of product current rated level.
Thermic Dissipation
CFW models dissipate thermic power based on load current:
Pdissipation = I_load_Arms * 1.3V (W)
For models with integrated fuse, also consider dissipated power at
rated current shown on the fuse table CFW models with electronic
fuse (with internal IGBT) dissipate thermic power based on load
current: Pdissipation = I_load_Arms * 2.8V (W)
Rated current AC56A permitted trigger
modes: ZC, BF con DT (Delay Trigger-
ing), PA with softstart
Derating: 20% of rated current value.
Summary of Contents for CFW
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