Instruction manual

INSTALLING OPTIONS AND ACCESSORIES
Eaton
®
9390 UPS (20–80 kVA) and 9390IT (20-40 kVA) Installation and Operation Manual S 164201603 Rev 4 www.eaton.com/powerquality
6-7
9. Install wiring between the SCM II terminal block TB2 and the monitoring
equipment. See Figure 6‐2 for terminal assignments and Drawing 164201603-10
on page A-46 for terminal block location.
System Normal
No Redundancy
On Generator
Bypass Not Available
On Battery
UPS Alarm
On Bypass
Shutdown Imminent
TB2
Figure 6‐2. Supervisory Contact Module II TB2
NOTE Supervisory contacts are rated at 2.0A at 28 Vdc or 120 Vac and 0.15A at 115 Vdc.
NOTE Supervisory contacts require an external power supply. Internal 24 Vdc is not capable of supplying
contact current.