Rohde & Schwarz Inc TMU925 Manual De Usuario

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Transmitter System R&S TMU9
R&S
®
 TMU9
58
System Manual 2600.5423.02 ─ 01
trays. When routing in solid cable ducts, use the next largest cable cross-sections and
fuse ratings.
The fuse ratings apply for a maximum ambient temperature of 25 
°C and a minimum
undervoltage of 197 V AC.
Series fuses and cable cross-sections for a 3-phase power supply
For a 230/400 V AC, 50 Hz power supply with L1, L2, L3, N, and PE, the following infor-
mation applies:
Number of amplifiers
Series fuse pH gG
Cable cross-section
1
3 x 40 A
5 x 6 mm
2
2
3 x 40 A
5 x 6 mm
2
3
3 x 40 A
5 x 6 mm
2
4
3 x 40 A
5 x 6 mm
2
5
3 x 40 A
5 x 6 mm
2
6
3 x 40 A
5 x 6 mm
2
Series fuses and cable cross-sections for a 1-phase power supply
For a 230 V AC, 50 Hz power supply with L1, N, and PE, the following information applies:
Number of amplifiers
Series fuse NH gG
Cable cross-section
1
3 x 40 A
3 x 6 mm
2
2
3 x 40 A
3 x 6 mm
2
3
3 x 50 A
3 x 10 mm
2
1. Run a power input cable of sufficient length to the series fuse.
2. Connect the cable to the series fuse.
3. Loosen the clamping screws at the strain relief (item 1 in the following figure).
4. Run a cable from the series fuse through the strain relief to the power input terminal
X1 (item 3).
5. Remove the protective covers (item 2), open the respective terminals using a size 3
flat-head screwdriver, and connect the wires using the cable and terminal designa-
tions.
6. Check that the wires are secure and put the protective covers (item 2) back on.
7. Tighten the clamping screws of the strain relief.
8. Fasten the transparent protective cover to the rear of the mains distribution unit.
Installation R&S TMU9