Atlas Copco GX 7 User Manual

8.2 Settings for overload relay and fuses
GX 7 and GX 11
Frequency
(Hz)
Voltage (V) GX 7 GX 11
IEC Star-delta Overload relay
FM1 (A)
Disc. switch +
motor circuit
breaker (curve D)
+ residual current
device
Overload relay
FM1 (A)
Disc. switch +
motor circuit
breaker (curve D)
+ residual current
device
50 200 20.5 50 29.5 63
50 230 18 40 25.5 50
50 400 11 25 15 32
50 500 9 25 12 32
60 380 12 25 15.7 32
60 440/460 10 25 13.5 32
CSA/UL DOL Overload relay
FM1 (A)
Main fuses (A)
(class J or RK) +
Disc. switch size
>=1,25 x FLA, see
conn. diagram.
Overload relay
FM1 (A)
Main fuses (A)
(class J or RK) +
Disc. switch size
>=1,25 x FLA, see
conn. diagram.
60 200 40 60 55 70
60 208-230/460 36.3-34.4/16.9 50-45 / 25 48-45 / 22.5 70 - 70 / 35
60 575 14 20 18.5 25
8.3 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 bar(e) See Compressor data
Working pressure psi See Compressor data
Limitations
Maximum working pressure bar(e) See Compressor data
Maximum working pressure psig See Compressor data
Minimum working pressure bar(e) 4
Minimum working pressure psig 58
Maximum air inlet temperature ˚C 46
Instruction book
2920 7054 00 65

Atlas Copco GX 7 Specifications

General

Brand	Atlas Copco
Model	GX 7
Category	Air Compressor
Language	English