Electricial Installation
Operating instructions SVCD(S)
53
123456278
-
419A58
Elektrotechnische Anlagen GmbH
1
4.3.3
Mains types / Mains characteristics
Danger!
Observe the restrictions in accordance to the respective mains type!
If you want to run power feedback units at mains types, which are not listed in the table below
please consult our technicians.
VDE conformal
mains type
Operation of the
power feedback unit
Remark
With grounded star point
Allowed
Observe the technical
data of the unit
With isolated star point
After consulting the manufacturer and
possible modification of the unit
allowed
With grounded active wire
After consulting the manufacturer
allowed
Table 4.3.3.1
4.3.4
Specifications of the used wires
•
The used wires have to be compliant with the specifications on site ( e.g. UL or
UL-c)
•
The regulations about the minimum cross section of PE-wires have to be observed!
•
The effectiveness of a screened wire is dependant on:
- a good screen connection
- low screening impedance:
Use screens tin- or nickel-plated copper screens only!
- the swamp factor of the screen mesh:
at least 70% to 80% with a swamp angle of 90°
•
Protect the mains wires of the power feedback unit with the provided wire protec-
tion fuses.