Staco Energy FirstLine, User Manual, Page: 15 / 43

FirstLine UPS
Form No. 003-2323 Rev B 11
SECTION 4
Electrical Installation
The FirstLine has the following power connections:

3-phase (L1, L2, andL3), neutral, and ground connection for rectifier/bypass input

3-phase (L1, L2, and L3), neutral, and ground connection for load output
The input neutral connection is not used when the UPS is equipped with the optional
isolation transformer.
The nominal input/output voltages are:

120/208 VAC is available in the short cabinet or tall cabinet.

208 VAC, 60 Hz delta input is available when using the tall cabinet with an input
isolation transformer.

127/220 VAC is available in the short or tall cabinet.

480V, 60 Hz input is available when using the tall cabinet with an input transformer,
(isolation or auto.)

480/480 Vac is available when using the tall cabinet with an input and output
transformer.
Input and output over current protection and disconnect switch must be provided by others.
Only qualified service personnel (such as a licensed electrician) should perform the
UPS installation and initial startup. Risk of electrical shock.
Wiring Preparation
To begin wiring the UPS:
1.
Verify that the electrical connections to the installation site have been properly
installed.
2. A wall-mounted, user-supplied, readily-accessible disconnection device must be
incorporated in the input wiring.
Compare the circuit breaker ratings to the ones in Table 6 on page 14.
WARNING