Atlas Copco ZT 275 - Page 217

Compressors designed for a maximum ambient temperature of 50 °C (122 °F) with IE3 motors or
with oversized motors
Type FLA MCA Proposed cable
(mm²)
Maximum
cable
length (m)
Proposed
fuses (A)
(gL/gG)
Maximum
fuse (A)
(gL/gG)
Icc
ZT/ZR 110 264 291 4 X (3 X50+25) 156 2 x(3 X 200) 315 50 kA
ZT/ZR 132 285 314 2 X (3 X150+95) 318 2 x(3 X 250) 400 50 kA
ZT/ZR 145 285 314 2 X (3 X150+95) 318 2 x(3 X 250) 400 50 kA
ZT/ZR 160 409 450 4 X (3 X 95+50) 177 2 x(3 X 315) 400 50 kA
ZT/ZR 200 515 567 4 X (3 X 150+95) 226 2 x(3 X 400) 500 50 kA
ZT/ZR 250 623 686 4 X (3 X 185+95) 207 2 x(3 X 500) 500 50 kA
FLA and MCA based on an air-cooled full option compressor.
Icc only achieved with recommended fuses.
400 V - 50 Hz IEC
Compressors designed for a maximum ambient temperature of 40 °C (104 °F) with IE2 motors
Type Cables (H07V2-K) IEC 60364-5-52:
E & 4
mm
2
Fuses gL/gG
(A)
Maximum cable length
(m)
ZR/ZT 110 2 x (3x 120 + 70) 2X (3X 250) 260
ZR/ZT 132 2 x (3x 120 + 70) 2X (3X 250) 260
ZR/ZT 145 2 x (3x 120 + 70) 2X (3X 250) 260
ZR/ZT 160 4 x (3x 95 + 50) 2X (3X 315) 188
ZR/ZT 200 4 x (3x 120 + 70) 2X (3X 400) 184
ZR/ZT 250 4 x (3x 120 + 70) 2X (3X 400) 184
ZR/ZT 275 4 x (3x 150 + 95) 2X (3X 500) 188
Compressors designed for a maximum ambient temperature of 40 °C (104 °F) with IE3 motors
Type FLA MCA Proposed cable
(mm²)
Maximum
cable
length (m)
Proposed
fuses (A)
(gL/gG)
Maximum
fuse (A)
(gL/gG)
Icc
ZT/ZR 110 228 250 4 X (3 X35+16) 112 2 x(3 X 200) 315 50 kA
ZT/ZR 132 268 295 2 X (3 X95+50) 241 2 x(3 X 200) 315 50 kA
ZT/ZR 145 291 320 2 X (3 X120+70) 258 2 x(3 X 250) 400 50 kA
ZT/ZR 160 353 388 2 X (3 X120+70) 258 2 x(3 X 250) 400 50 kA
ZT/ZR 200 433 477 4 X (3 X 95+50) 187 2 x(3 X 315) 400 50 kA
ZT/ZR 250 531 584 4 X (3 X 120+70) 186 2 x(3 X 400) 500 50 kA
ZT/ZR 275 (7.5
bar)
566 622 4 X (3 X 120+70) 186 2 x(3 X 400) 800 50 kA
ZT/ZR 275 (8.6
and 10 bar)
659 725 4 X (3 X 150+95) 188 2 x(3 X 500) 500 50 kA
Instruction book
2920 1815 04 215