HV Breakout Module – Appendix
Installation Manual
38
Version 01.20 // 2021
Fig. 7-2: PG gland: without reduction (left) and with reduction (right)
➀
To establish an optimum connection between module housing and cable shield, the spring
in the PG gland requires a 14 mm wide contact strip on the cable shield.
If a reduction is used, as shown in the right illustration in Fig. 7-2, the overall height of the
PG gland increases by approx. 4 mm
This has to be taken into account when preparing a HV power cable.
7 mm
7 mm
d
Fig. 7-3: HV power cable, contact area for spring
f
without reduction (M32):
d = 70 mm
f
with reduction (M25):
d = 74 mm
7.1.2 Cable assembly for cross sections 35 mm² to 95 mm²
NOTE!
i
"
Observe the instructions for connecting HV power cables with a
cable cross-section of 35 mm² to the shunt.
→ See .chapter 4.3.3.4 "Exceptional case: Mounting ring terminals for
The following section schematically illustrates and describes the assembly of HV power
cables for the cable cross-sections 35 mm², 50 mm², 70 mm² and 95 mm². These HV power
cables are used exclusively to connect HV BM 1.2 measurement modules.
Tab. 7-1 provides information on the cables used as well as the ring terminals and PG glands
required for the corresponding cable cross section.
➀
