Powervar Security Plus - Page 37

POWERVAR Security Plus UPS
37
AC Shunt Trip
For field wired units, refer to the tables below for the proper conductor size and torque
requirements. Only copper conductors are to be used for field wiring connections. The
conductors should be rated at least 75°C or greater. The conductor recommendations listed in
the chart below are intended for installations in North America. For international installations,
please refer to the local and national electrical codes and standards.
RATING INPUT
CONDUCTOR
(AWG)
TORQUE
(in-lbs)
OUTPUT
CONDUCTOR
(AWG)
TORQUE
(in-lbs)
GROUND
(AWG)
TORQUE
(in-lbs)
MIN MAX MIN MAX MIN MAX
2.0kVA 12.0 6.0 20 12.0 6.0 20 12.0 6.0 20
3.0kVA 12.0 6.0 20 12.0 6.0 20 12.0 6.0 20
4.0kVA 10.0 6.0 20 10.0 6.0 20 8.0 6.0 20
5.2kVA 8.0 6.0 20 8.0 6.0 20 6.0 6.0 20
6.0Kva 8.0 6.0 20 8.0 6.0 20 6.0 6.0 20
TABLE 2-4A HIGH VOLTAGE CONDUCTOR SIZE AND TORQUE SPECIFICATIONS
RATING INPUT
CONDUCTOR
(AWG)
TORQUE
(in-lbs)
OUTPUT
CONDUCTOR
(AWG)
TORQUE
(in-lbs)
GROUND
(AWG)
TORQUE
(in-lbs)
MIN MAX MIN MAX MIN MAX
2.0kVA 10.0 6.0 20 10.0 6.0 20 8.0 6.0 20
3.0kVA 8.0 6.0 20 8.0 6.0 20 6.0 6.0 20
TABLE 2-4B LOW VOLTAGE CONDUCTOR SIZE AND TORQUE SPECIFICATIONS
Figure 2-6 represents the circuit breaker functions of the 2-6kVA units.
Figure 2-6
Auxiliary Contacts
DC Shunt Tri
p
DC Input Breaker
AC Input
Breaker