PowerSure PSA
Guide Specification
350 – 1000VA
SL-23271 8/03
1
Liebert PowerSure PSA UPS
GUIDE SPECIFICATIONS
350VA to 1000VA
Single - Phase Uninterruptible Power Supply Systems
1.0
GENERAL
1.1
SUMMARY
This specification defines the electrical and mechanical characteristics and requirements for a continuous-
duty single-phase, solid-state, uninterruptible power system. The uninterruptible power system, hereafter
referred to as the UPS, will provide high-quality AC power for sensitive electronic equipment loads.
1.2
STANDARDS
The UPS is designed in accordance with the applicable sections of the current revision of the following
documents. Where a conflict arises between these documents and statements made herein, the statements
in this specification will govern.
120V Units
UL 1778, c-UL listed (to CSA 22.2 No. 107.1)
FCC Part 15, Subpart B, Class B
ANSI C62.41, Category A, Level 3 (IEEE 587, Category A);
EN61000-4-5, Level 3, Criteria A
EN61000-4-2, Level 3, Criteria A
EN61000-4-3, Level 3, Criteria A
EN61000-4-4, Level 4, Criteria A
EN61000-4-6, Level 3, Criteria A
EN61000-3-2
EN61000-3-3
ISTA Procedure 1A
230V Units
EN50091-1-1, TUV/GS listed, CE compliance mark
EN50091-2, Class B
EN61000-4-2, Level 3, Criteria A
EN61000-4-3, Level 3, Criteria A
EN61000-4-6
EN61000-4-4, Level 4, Criteria A
EN61000-4-5, Level 3, Criteria A
EN61000-3-2
EN61000-3-3
ISTA Procedure 1 A
1.3.
SYSTEM DESCRIPTION
1.3.1
Modes of Operation
The UPS is designed to operate as a line-interactive system in the following modes:
A.
Normal -
The critical AC load is continuously supplied with filtered power. The battery
charger maintains a float-charge on the battery.
