26
Electrical connection requirements
Recommended power cables
Note
■ The specified cross-sections and max.
cable lengths apply to routing in empty
pipes or ducts at an ambient tempera-
ture of up to 25 °C.
■ In the case of routing in the vicinity of
heating pipes or encapsulated routing,
the cross-sections and max. cable
lengths must be recalculated (on site).
Load circuit (400 V~) on site, control circuit (230 V~) fully wired at the factory
Type
Load circuit (400 V~)
Cable cross-section
max. cable length
BW 301.A090, BW 302.A090
WW 301.A125, WW 302.A125
5 x 25 mm
2
40 m
BW 301.A120, BW 302.A120
WW 301.A155, WW 302.A155
5 x 35 mm
2
40 m
BW 302.A150
WW 302.A200
5 x 50 mm
2
40 m
BW 302.A180
WW 302.A250
5 x 70 mm
2
With cable lug for M8
40 m
BW 302.A250
WW 302.A300
5 x 95 mm
2
With cable lug for M8
40 m
In conjunction with power-OFF: Load circuit (400 V~) and control circuit
(230 V~) on site
Type
Control circuit
(230 V~)
Cable cross-sec-
tion
Load circuit (400 V~)
Cable cross-section
Max. cable
length
BW 301.A090
BW 302.A090
WW 301.A125
WW 302.A125
5 x 2.5 mm
2
5 x 25 mm
2
40 m
BW 301.A120
BW 302.A120
WW 301.A155
WW 302.A155
5 x 2.5 mm
2
5 x 35 mm
2
40 m
Preparing for installation
Siting
(cont.)
5848 164 GB
Summary of Contents for BW 301.A090
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