EX-TRAFIRE
®
55SD
Operator Manual, Revision T-3 2-13
Specifications: plasma arc power supply 3 x 400 V
Open circuit voltage (U0) 400 VDC
Output characteristic*
* Curve is defined as the output voltage versus output current
Drooping
Input voltage (U1) 3 x 400 VAC ± 15%
Rated output current (I2) 30 - 55 A
Standard rated output voltage (U2) U1 = 400VAC±15%
170 V
X 50% 60% 100%
U2 170 170 170
Cutting current at 50%/60%/100% duty cycle (A) 3 x 400 VAC±15% 55 A 50 A 41 A
Maximum input power 3 x 400 VAC±15% 13�7 kVA
Duty cycle (X*) a 40º C at rated conditions (U1, I1, U2, I2)
*X=Ton/Tbase,
Ton = time, minutes
Tbase =10 minutes
U1-Volts AC rms X
3 x 400 VAC±15% 50%
Operating temperature −10º – +40º C
Rated AC phases (PH) and line frequency (Hz)
Model CE
PH Hz
3 50-60
Rated input voltage (U1), rated input current (I1)
and 1eff�* at rated output U2 y I2 cutting only�
*I1eff = (I1) √X used to determine rating of power cord�
rms = root mean square
eff� = effective
U1-Volts AC rms I1-Amps rms I1eff
3 x 400 VAC ± 15% 20�9*A 14�8*A
This equipment conforms to IEC 61000-3-12,
EN 60974-1
Isolation class H/F
IP Code – Degree of protection provided by enclosure
IP23S*
IP – “International Protection”
2 – No ingress foreign objects ≥ 12�5 mm
3 – No harmful ingress spraying water�
S – fan stationary during water test�
*
WARNING: ! DO NOT OPERATE IN RAIN !
Toppling, tilting ( with or without Wheel kit) Up to 15º incline
Gas type Air Nitrogen
Gas quality specification
Recommended Air quality:
ISO 8573-1 Class 1�2�2�
Air max� particle size: 0�1 microns,
class 1 ref� to ISO 8573,
Air max� oil: 0�1 mg / m3,
class 2 ref�: ISO 8573,
Air max� dewpoint: +3° C,
class 4 ref� to ISO 8573
Purity ≥ 99�99%
Gas quality Clean, moisture-free, without oil
Gas input pressure and flow
10 bar / 145 psi 270 l/min
5 minutes cutting 5 minutes resting
Duty cycle
Duty cycle is the percentage of time,
during a period of 10 minutes,
that the power supply can continuously cut�
The following diagram represents a duty cycle of 50%�
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