Ac Junction Box; 3.10.1 Mechanical Specifications; 3.10.2 Electrical Specifications; Overall Power System Specifications - Liebert 1500 User Manual

3.10

AC Junction Box

The AC junction box is required as an AC connection interface in rectifier cabinets where the
Helios Rectifier 200E/48 is used.

Figure 25 Front view of the AC junction box (with the front panel open)

3.10.1 Mechanical Specifications

The junction box is made of zinc plated steel and can accommodate up to six one-inch rigid or flex-
ible conduits. The mechanical specifications are listed in Table 29.
Table 29 Mechanical specifications of the AC junction box
Figure
Figure 25

3.10.2 Electrical Specifications

The junction box is designed to accommodate six 3-phase circuits (3 wires plus ground) at a maxi-
mum voltage of 600 V AC and a capacity of 30 A per circuit.
3.11

Overall Power System Specifications

3.11.1 Standards

The Helios DC System 4000/48 meets the following North American and European standards:
• UL-1801
• CSA 22.2 (#0.7, #225)
• TR-TSY-000406
• CE
• VDE

3.11.2 Mechanical Specifications of Fully Equipped Power Cabinets

Table 30 Mechanical specifications of fully equipped power cabinets
Height Depth
2134 mm 600 mm
(84 in.) (23.62 in.)
26 Specifications
Six receptacles
to plug the
cables from the rectifiers
RECT 6 RECT 5 RECT 4
1 2 3 4 5 6 7 8 9 10 11 12
TB1
Height
264 mm
(10.4 in.)
Total weight (4000 A control
Width and distribution cabinet)
600 mm
(23.62 in.)
RECT 3 RECT 2
1 2 3 4 5 6 7 8 9 10 11 12
TB2
Depth
284 mm
(11.2 in.)
363 kg
(800 lb) approx.
RECT 1
Width
521 mm
(20.5 in.)
Total weight (1200 A rectifier
cabinet with six rectifiers)
440 kg
(970 lb) approx.