WEG SSW7000 Guide

Figure 5 – Connection of the ground fault CT to the CSMx card
It is important to consider that the ground fault CT has insulation class of 3.0kV; therefore, it
is essential that the power cables feature insulation adequate to the operating voltage of the
SSW7000.
NOTE!
The cables used to connect the ground fault CT
to the medium voltage
control card – CSMx must meet the following specifications:
• Insulating voltage: 20kVDC;
• Maximum temperature of the insulation: 150ºC;
• Gauge: 14 AWG or larger.
IV. TECHNICAL SPECIFICATIONS
1) Technical Data:
• Primary current: 5 A
• Secondary current: 0.0124A
• Error: +/-10% of the typical curve
• Insulation: 3kV (between busbar and transformer)
• Frequency: 50/60Hz
• Reference standard regarding insulating materials and manufacturing: UL508
2) Dimensional:
• External diameter: 180 mm
• External diameter: 230 mm
• External thickness (Already insulated): 35 mm
• Specification of the cable of the secondary: S1= Red 0.25mm² 105
0
C
S2= Black 0.25mm² 105
0
C
• Length of the cables: 100mm (already twisted) +/-5mm
4

WEG SSW7000 Specifications

General

Brand	WEG
Model	SSW7000
Category	Controller
Language	English