-
3
-
Protections
- Two input sources are connected to STS by MCCB’s (S1 and S2)
- Suitable rating varistors protect the control circuits from high voltage transients.
- All power supply inputs are fuse protected
On SCR’s heat-sink, there is a thermal contact to warn the user in case of excessive heat-sink temperature.
Protection shield prevents direct touch to live parts, inside the unit.
Cooling
The cooling fans ( 2 cooling fans) are installed on to the top side of STS .
Figure – 1
Cooling outlets of the STS
Summary of Contents for InfoSTS
Page 45: ...44 Figure 28...
Page 47: ...NOTES...