Emerson Liebert NPS - Technical Specifications; General System Specifications

User Manual Chapter 4 – Specifications
N
N
e
e
t
t
w
w
o
o
r
r
k
k
P
P
o
o
w
w
e
e
r
r
S
S
w
w
i
i
t
t
c
c
h
h
4 Chapter 4 - Specifications
4.1 Conformity and Standards
This equipment complies with the following requirements:
Normative references:
Safety:
* EN 50178
EMC:
* EN61000-6-2 (2001-10;immunity)
* EN6110
0
-6-3
(
emission
)
The equipment must be installed in accordance with these instructions and used only with accessories approved by the
manufacturer to maintain conformity with the standards.
4.2 General Specifications
• Manual and Automatic Transfers
• Sense and transfer time – less than 6 milliseconds
• Break-Before make switching
• Selectable preferred source
• Selectable auto/manual retransfer
• In-phase transfer window – adjustable from 7.5 ± 1°
• Convection cooling
• Hot swappable electronic static switching module
• Live mimic on Hot swappable unit for indicating load supply status & alarms
• Make before break manual bypass switch to transfer load from static switch to direct source 1 or source 2
• Isolated neutrals
4.3 Environmental specifications
ENVIRONMENTAL
CHARACTERISTICS
UNITS
DESCRIPTION
Heat dissipation W
75
Storage temp. range °C
-40 to 60°C
Operating temp. range °C
0 to 40°C
Relative humidity %
0 to 95%
Operating altitude m
Up to 1500m (5,000 ft)
Storage / Transport Altitude m Up to 12000m (40,000 ft)
Audible Noise db < 45 db at 1.5 m
(03/04) Page 4-1