THERMACUT EX-TRAFIRE 105HD - Page 13

EX-TRAFIRE
®
105HD 4 Product description
13
When the Duty Cycle is exceeded, the system may overheat which would cause the power
supply to shut down. Wait for the power supply to cool down before returning to normal
operating conditions.
Table 3 Power supply specifications, three-phase
CSA
Rated open circuit voltage (U
0
) 290 V DC
Characteristic curve*
* The curve is defined as output
voltage versus output current
Drooping
Input voltage (U
1
) 208 - 460 - 575 V AC ± 15 %
3 PH/50-60 Hz
Output arc current (I
2
) 20 –105 A
Nominal output arc voltage (U
2
) 160 V DC
Maximum power input 23.8 k VA
Duty Cycle X is the percentage of 10 minutes that the system can cut
(Arc-On time) at nominal load (I
2
and U
2
) without overheating at rated
input voltage.*
Duty Cycle X at 104 °F (40 °C) at
nominal conditions (U
1
, U
2
, I
2
)
55 % at 105 A, U
1
– 208 V AC
60 % at 100 A, U
1
– 208 V AC
100 % at 77 A, U
1
– 208 V AC
80 % at 105 A, U
1
– 460/575 V AC
100 % at 94 A, U
1
– 460/575 V AC
Ambient temperature 14 °F (-10 °C) to 104 °F (+40 °C)
Rated input current (I
1rms
) and
effective input current (I
1eff
) at rated
output power
eff = effective
rms = root mean square
I1rms I1eff
208V - 58.7A
460V - 26.0A
575V - 23.8A
43.5 A
23.3 A
21.3 A
Complies with standards
CSA C22.2 No. 60974-1:19
ANSI/NEMA/IEC60974-1-2019
Protection type IP23
Operating tilt angle Up to 15°
Dimensions (L×H×W)
[in] 24 x 20 x 12
(613 × 515 × 302 mm)
Weight [lb] 96
(43.6 kg)
Table 4 Ambient conditions for transport and storage
Ambient temperature -4 °F (-20 °C) to 131 °F (+55 °C)
Relative humidity < 50 % at 104 °F (+40 °C)
< 90 % at 68 °F (+20 °C)
Arc-On time (minutes)
*
100
10 (minutes)
= Duty Cycle [%]
X=
*