Fuse specifications IEC: gL/gG
Fuse specifications CSA: HRC Form II - UL: Class 5
11.3 Settings of fan motor circuit breaker
Circuit breaker
GA 75 VSD
GA 90 VSD
Frequency (Hz)
Voltage (V)
Fan motor circuit
breaker Q15 (A)
Fan motor circuit
breaker Q15 (A)
IEC
50
400
5
7.7
50
500
4.2
6.2
60
380
5
8.0
CSA/UL
60
460
5
7.3
60
575
4.1
5.8
11.4 Reference conditions and limitations
Reference conditions
Air inlet pressure (absolute)
bar
1
Air inlet pressure (absolute)
psi
14.5
Air inlet temperature
˚C
20
Air inlet temperature
˚F
68
Relative humidity
%
0
Working pressure for GA 75 and GA 90 VSD
On water-cooled units also:
Cooling water inlet temperature
˚C
20
Cooling water inlet temperature
˚F
68
Limitations
Maximum working pressure for GA 75 up to GA 90 VSD
Minimum working pressure
bar(e)
4
Minimum working pressure
psig
58
Maximum air inlet temperature
˚C
40
Maximum air inlet temperature
˚F
104
Minimum air inlet temperature
˚C
0
Minimum air inlet temperature
˚F
32
Maximum altitude operation
m
1000 m above sea level
Instruction book
2920 1634 04
103