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QM8 HANDBOOK
Further De-ratings Table
Converter
Module
QM8
SC
-
SC
-
SC
-
SC
-
SC
-
YF,YM & YN
-
YF,YM & YN
-
HF
-
HF
-
ZF
-
ZF
-
ZF
-
ZF
Cooling options QM8
Cooling option
F (Forward air, variable speed)
C (Customer air)
R (Reverse air, variable speed fan)
*144-318Vdc nom
**239-318Vdc nom
**239-318Vdc nom, 2000W version only
Output Limitations:
Adjusting output voltage beyond the stated range may cause overvoltage protection (OVP) to operate,
whereby the output will latch
output voltage to within its range and cycle the input off then on.
The 0.25V Standby supply provided with the E5H, E12H, T5H and T12H options derates by 2.4% per °C from
25°C to 50°C when the the unit is inhibited (fan not running).
40°C
45°C
Ambient
Ambient
-
60A
-
60A
-
60A
-
60A
-
60A
-
60A
-
60A
-
110A
-
110A
-
110A
-
110A
-
110A
-
110A
Input voltage (Vnom)
off.
To reset for normal operation simply adjust the potentiometer to reduce the
Page 23 of 40
50°C
Global option
Ambient
fitted
50A
Yes
60A
No
55A
No
60A
Yes
55A
N/A
55A
No
50A
Yes
90A
Yes
90A
No
90A
Yes
90A
No
100A
Yes
100A
No
Output power (W)
100-240*
166.7-240**
200-240***
100-240*
166.7-240**
200-240***
100-240*
166.7-240**
200-240***
Comments (applicable to 50°C
Ambient only)
Fitted in slots 1+2
Fitted in slots 1+2
Fitted in slots 3+4
Fitted in slots 3+4
Fitted in slots 7+8
Limited by SC Module in slots 1+2
Limited by SC Module in slots 1+2
-
-
Fitted in slots 1 to 4
Fitted in slots 1 to 4
Fitted in slots 3 to 8
Fitted in slots 3 to 8
Ambient °C
1200
50
1500
50
2000
50
1200
50
1500
50
2000
50
1000
45
1000
45
1000
45
260401-05 July 2019
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