3.2.- INSTALLATION
The unit is installed on a panel. All connections are located inside the electric panel.
Table 2: Panel drill holes for installation.
Model Panel drill hole (according to DIN 43700)
CVM-B100 92
+0.8
x 92
+0.8
mm
CVM-B150 138
+0.8
x 138
+0.8
mm
Terminals, opening covers or removing elements can expose parts that are
hazardous to the touch while the unit is powered. Do not use the unit until it is
fully installed.
The unit must be connected to a power circuit that is protected with gL fuses (IEC 269) or M
fuses, with a rating of 1 to 2 A. It must be tted with a circuit breaker or equivalent device for
disconnecting the unit from the power supply mains.
The power and voltage measuring circuit must be connected with cables that have a minimum
cross-section of 1mm
2
and the wires must to endure a temperature at least 77 degrees.
The secondary line of the current transformer will have a minimum cross-section of 2.5 mm
2
.
Current needs to be measured via external current transformers providing reinforced insulation.
11
Instruction Manual
CVM-B100 - CVM-B150
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